Reason 12.7 Operation Manual
DAW | Rack Plugin
#Song window overview
A Reason Song window with its Browser, Main Mixer, Rack and Sequencer areas.
The Reason graphical user interface is divided into four main areas:
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The Browser
The Browser is where you create devices, load patches into devices and load songs.
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The Main Mixer
The Main Mixer is located at the top in the Reason Song window. Here are the channel strips for the audio and instrument tracks in your song.
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The Rack
The Rack is where all sound and effects devices you use in your song are located. The Rack resembles a traditional hardware rack, where sound modules and effects units can be mounted.
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The Sequencer
The Sequencer is where you record your audio and instrument tracks. Here you can also record automation of device parameters in the Rack and of channel strip parameters in the Main Mixer. The Sequencer also incorporates the Transport Panel, where all sequencer transport controls are located.
The areas can be viewed together, as in the picture above, in pairs or separately - see “Navigating between the areas”. The areas can also be resized - see “Resizing”.
#Application Zoom
It’s possible to choose a suitable zoom level for the Reason application. This can be useful if you are using a very high-resolution screen and want to make Reason larger. Since all built-in rack devices and most Rack Extensions are high-resolution, you will not lose any image quality when you enlarge the application.
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Select “Application Zoom >” from the Options menu and then select the desired zoom factor.
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Note that the first time you select a new Application Zoom level, all devices in the song will recalculate their high-resolution panels in the background, which might take a little while.
#The Browser
The Browser to the left in the Song window (and also in the Rack window, if the Rack is detached) features short-cuts for creating devices, loading patches and songs, and sample management functions. By pressing [F3] you can toggle between Show and Hide Browser.
The Browser with the Instruments palette selected.
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See “About using the Browser in the detached rack” and “Creating devices” for information on how to use the “Device” functions.
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See “Using the Browser” for information on how to browse for patches and songs.
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See the “Sampling” chapter for information on how to use the “Song Samples” functions.
#The Main Mixer
The Main Mixer with the Fader sections currently scrolled into view.
In the Main Mixer, all channel strips of the Reason song are visible. You can scroll vertically in the Main Mixer by clicking and dragging inside the frame in the Channel Strip Navigator to the right. This way you will be able to access all channel strip parameters. If you have a lot of channels in your song you can also scroll horizontally by clicking and dragging the Mixer scrollbar at the bottom of the Main Mixer area.
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By pressing function key [F5], or by double clicking the gray Mixer header, you can maximize the Main Mixer area.
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To the right on the Mixer header is the Detach Main Mixer icon. Clicking this, or holding [Ctrl](Win) or [Cmd](Mac) and pressing [F5], will detach the Main Mixer and place it in a separate window.
This is especially useful if you are using multiple screens with your computer.
The Detach Mixer icon for the Main Mixer.
For more details about the Main Mixer, please refer to “The Main Mixer” chapter.
#The Tutorial area
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Click the Show Tutorial button to unfold the Tutorial area:
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Resize the Tutorial area to make it easier to view:
#The Rack
The Rack with two rack columns next to each other, and the Rack Navigator to the right.
In the Rack, all instruments, effects and mixer channel devices of the Reason song are visible. You can scroll vertically and horizontally in the Rack by clicking and dragging the frame in the Rack Navigator. You could also click anywhere outside the frame in the Rack Navigator to immediately jump to the desired position. Alternatively, place the pointer on any of the wooden “side panels” in the rack, and click and drag in any direction. This way you will be able to access all devices in the rack.
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By pressing function key [F6], or by double clicking the gray Rack header, you can maximize the Rack area.
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To the right on the Rack header is the Detach Rack icon. Clicking this, or holding [Ctrl](Win) or [Cmd](Mac) and pressing [F6], will detach the Rack and place it in a separate window.
This is especially useful if you are using multiple screens with your computer.
The Detach button for the Rack.
When you detach the Rack, the Transport Panel at the bottom of the Sequencer will be duplicated below the Rack in the new window. This way, you will be able to control the Sequencer transport functions without needing to change window. There is also a second instance of the Browser available to the left in the detached Rack. By pressing [F3] you can toggle between Show and Hide Browser in the detached Rack.
For more details on how to work with the Rack, refer to “Working with the Rack”.
#The Sequencer
The Sequencer with a number of recorded audio tracks.
To the left in the Sequencer, all tracks in the Reason song are listed in the Track List. By clicking on a track in the Track List you select the track for playback from a connected MIDI master keyboard and/or for recording.
At the top to the left is the Toolbar, with various sequencer editing tools.
The big center section of the Sequencer is called the Edit/Arrangement Pane. Here is where all recorded sequencer data is displayed.
You can scroll in the Sequencer by using the Track scrollbar to the right and the Song Navigator at the bottom of the Sequencer - see “Scrolling” and “Zooming in the Sequencer”.
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By pressing function key [F7], or by double clicking the Sequencer header, you can maximize the Sequencer area.
For more details about the sequencer, refer to “Sequencer Functions”.
#The Transport Panel
At the bottom of the Reason Song window is the sequencer Transport Panel. From here you control the sequencer transport functions, such as Rewind, Fast Forward, Stop, Play and Record. You can also set Tempo and Time Signature and various other parameters.
The Transport Panel is always available together with the Sequencer. If you have detached the Rack, a duplicate of the Transport Panel will be also present in the Rack window.
To the right on the Transport Panel are indicators for Audio In and Out levels, DSP Load, Disk Overload, Audio Calculation, Demo Mode and Automation Override status.
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The Transport Panel can be shown/hidden on the Windows menu.
For more details about the Transport Panel, please refer to “Transport Panel details”.
#The ReGroove Mixer
To the left on the Toolbar in the sequencer is the “Groove” button. Clicking this will bring up the ReGroove Mixer.
The ReGroove Mixer is used for adding advanced grooves to your instrument tracks in the Sequencer.
To hide the ReGroove Mixer, just click the “Groove” button again.
For more details about the ReGroove Mixer, please refer to “The ReGroove Mixer”.
#Navigating between the areas
By using the functions keys [F5], [F6] and [F7] you can quickly and easily navigate between the Main Mixer, Rack and Sequencer areas of the Reason window.
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Press [F5] to toggle between a maximized Main Mixer area and the previous view.
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Press [F6] to toggle between a maximized Rack area and the previous view.
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Press [F7] to toggle between a maximized Sequencer area and the previous view.
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If the Main Mixer and/or the Rack are detached in separate windows, you have to press [F5] to view the Main Mixer window, [F6] to view the Rack window and [F7] to view the Sequencer window. It’s not possible to toggle between views/windows by repeatedly pressing the same function key.
It’s also possible to press any of the [F5], [F6] and [F7] function keys simultaneously in different combinations to switch between combined area views. For example, pressing [F5] and [F6] simultaneously will bring up a combined maximized view of the Main Mixer and Rack areas in the Reason window. The Sequencer area will then automatically become minimized
Pressing all three function keys simultaneously, or holding [Ctrl](Win) or [Cmd](Mac) and pressing [F7], will bring up all areas together, equally sized.
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Note that using three function keys simultaneously is not supported on all computer keyboards.
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If the Main Mixer and/or the Rack are detached in separate windows, pressing any of the [F5], [F6] and [F7] keys in combination will automatically attach the corresponding (detached) window(s).
To select an area for editing etc., simply click anywhere in the desired area. The selected area will then be surrounded by a thin blue rectangle.
#Showing/hiding the Navigators
Deselecting “Show Navigators” on the Options menu will hide the Channel Strip Navigator in the Main Mixer and the Rack Navigator in the rack.
Selecting “Show Navigators” will show the navigators again.
#About different Themes
In Reason you can choose from a couple of different visual themes, i.e. how the user interface should be visually presented. The selected theme affects the Sequencer, Browser and Transport Panel areas - the Rack and Main Mixer always use the default theme.
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Select Preferences from the Edit menu (Win) or Reason menu (Mac) and then choose the Theme in the
Appearance section on the General tab:
 
The selected Theme becomes active after restart of Reason:
#Using several Reason Song windows
You can have several Songs open at the same time. Each Song will appear in a separate Song window, complete with Main Mixer, Rack, Sequencer and Transport Panel. Each Song window can be moved, minimized and resized using the standard Windows and Mac procedures.
#The Tool Window
The Tool Window is a floating window which features two tabs that contain functions for editing in the sequencer and for editing grooves for the ReGroove mixer. The Tool Window can be accessed from the Window menu.
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Open the Tool Window by selecting “Show Tool Window” from the Window menu. Alternatively, press [F8].
The [F8] key can be used for toggling between showing and hiding the Tool Window.
The Tool Window.
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See the “Note and Automation Editing” chapter for information on how to use the various functions of the “Sequencer Tools” tab.
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See “The ReGroove Mixer” chapter for information on how to use the functions of the “Groove Settings” tab.
#The On-screen Piano Keys window
The On-screen Piano Keys floating window features a virtual keyboard which lets you play instrument devices without needing to have a MIDI master keyboard connected to your computer. The On-screen Piano Keys window can be accessed from the Window menu.
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Open the On-screen Piano Keys window by pressing [F4], or by clicking the “Keys” button to the left on the Transport Panel. Alternatively, select “Show On-screen Piano Keys” from the Window menu.
The [F4] key can be used for toggling between showing and hiding the On-screen Piano Keys window.
The On-screen Piano Keys window in “Mouse” mode.
See “On-screen Piano Keys” for more information.
#Resizing
Adjustable headers in the Reason Song window.
Between each area in the Reason Song window are gray headers that separate the areas from each other. Some of the headers can be adjusted, making it possible to resize the areas. The horizontal dividers between the Main Mixer and Rack, and between the Rack and Sequencer can be adjusted, as well as the vertical dividers between the Browser and the other areas - and the divider to the left of the Rack Navigator in the Rack.
When you place the mouse pointer on these types of headers, the pointer changes to a double-arrow symbol. Clicking and dragging these headers makes it possible to resize the adjacent areas.
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You can also click the circular button on the header of any of the areas to show/hide the corresponding area:
The Show/Hide buttons of the Rack and Sequencer areas.
#Scrolling
Reason offers a few different options for scrolling in the different areas.
#Scrolling with the Navigators and scrollbars
Navigators/scrollbars in a Reason Song window.
Whenever there is information “outside” the visible screen area, you may want to scroll to the desired destination. The Reason Song window features a number of Navigators that can be used for scrolling. Navigators are present in the Main Mixer, in the Rack and in the Sequencer.
The Main Mixer and the Sequencer have horizontal and vertical Navigators/scrollbars.
The Rack has only one Navigator which can be used for scrolling both vertically and horizontally (when using more than two rack columns next to each other). The Rack Navigator can also be resized by moving the vertical edge to the left of the Rack Navigator. Resizing the Rack Navigator will also resize the rack devices inside the Navigator, making them easier to distinguish.
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To scroll with a Navigator, click anywhere inside the frame in the Navigator and drag the frame to the desired position.
As the pointer enters the frame, it automatically switches to a hand symbol.
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Alternatively, click anywhere in the Navigator area to immediately jump to the desired position.
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At high zoom values in the Sequencer, you can hold [Shift] and drag the Song Navigator frame to scroll with greater precision.
#Scrolling with the Hand tool
Scrolling with the Hand tool in the Rack.
In the Rack and Sequencer, you can also use the Hand tool for scrolling the view.
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In the Rack, place the pointer on either of the wooden side panels of a rack column.
The pointer will switch to a hand symbol.
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Click and drag the rack vertically and/or horizontally to scroll in the rack, as shown in the picture above.
If you are using only a single rack column, it’s only possible to scroll vertically.
In the Sequencer you have to manually switch to the Hand Tool by selecting it from the sequencer Toolbar. With the Hand Tool selected, you can scroll in any direction on the Edit/Arrangement Pane. Refer to “Hand Tool” for more information.
#Zooming in the Sequencer
In the Sequencer it’s possible to zoom in and out horizontally using the Song Navigator. You can also use the Magnifying Glass Tool on the Sequencer Toolbar to zoom vertically - see “Magnifying Glass Tool”. In addition to this, it’s also possible to set a zoom level for the audio recordings inside the Audio Clips.
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See also “Scrolling and zooming using a wheel mouse”.
#Zooming vertically in the Sequencer
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To zoom in vertically in the Sequencer arrangement, and thus increase the Track height, click on the “+” magnification button at the bottom of the Track List:
Increase the Track height by clicking the + magnification button at the bottom of the Track List.
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To zoom out vertically, click on the “-” magnification button.
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When the Sequencer is in Edit Mode, individual vertical zoom controls become available.
#Waveform Zoom Mode
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Choose between three zoom modes for the audio recording(s) inside all Audio Clips.
Using the Small Waveform Zoom Mode is especially useful if you have recorded with the Clip Safe function (see “Recording using the Clip Safe function in Propellerhead Balance”) where the dynamic range can be quite wide.
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The zoom modes only affect the visual presentation of the waveform, not the audio levels.
#Zooming horizontally in the Sequencer
You can also zoom in and out horizontally in the Sequencer by using the Song Navigator.
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To zoom in and out horizontally, click and drag a Song Navigator handle sideways.
The pointer changes to a double arrow symbol and you can now zoom in by resizing the Song Navigator Frame.
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[Shift]-click on a Song Navigator handle and drag horizontally to zoom in and out symmetrically.
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By right-clicking (Win) or [Ctrl]-clicking (Mac) inside the Song Navigator frame you can both scroll (drag sideways) and zoom (drag up or down) simultaneously.
#Zooming to selection
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Click the Zoom To Selection button or press [Z] to do one of two things:
Zoom horizontally to fit the current selection (e.g. selected clips in the arrangement).
Zoom out horizontally to “Show All”.
"Show All" happens if there is no selection, or if you are already zoomed in on the current selection (i.e. you can press Z repeatedly and go between zoomed in and zoomed out).
"Show All" means different things depending on the mode:
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If you're in Song mode, Show All = from the first clip to the last in song.
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If you're in Edit mode (with no open clip), Show All = all clips on this track.
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If you're in an open clip, Show All = see the whole clip.
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Hold down [Shift] and click the Zoom To Selection button (or press [Shift]+[Z]) to zoom to the current selection both vertically and horizontally.
#Scrolling and zooming using a wheel mouse
If you’re using a mouse equipped with a scroll wheel, this can be used for the following scrolling and zooming operations:
#Scrolling in the Main Mixer with a wheel mouse
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Spin the scroll wheel to scroll vertically in the Main Mixer.
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Press [Shift] and spin the scroll wheel to scroll horizontally in the Main Mixer.
#Scrolling in the Rack with a wheel mouse
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Spin the scroll wheel to scroll vertically in the Rack.
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Press [Shift] and spin the scroll wheel to scroll horizontally in the Rack.
Note that the Rack must have at least two rack columns next to each other for this to work.
#Scrolling in the Sequencer with a wheel mouse
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Spin the scroll wheel to scroll vertically on the Edit/Arrangement Pane.
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Press [Shift] and spin the scroll wheel to scroll horizontally on the Edit/Arrangement Pane.
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Note that scrolling horizontally cannot be done when the Song Navigator frame is fully expanded.
#Zooming in the Sequencer with a wheel mouse
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Press [Ctrl](Win) or [Cmd](Mac) and spin the scroll wheel to zoom in and out vertically on the Edit/Arrangement Pane.
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Press [Ctrl]+[Shift](Win) or [Cmd]+[Shift](Mac) and spin the scroll wheel to zoom in and out horizontally on the Edit/Arrangement Pane.
Since a large part of Reason is laid out like “real” hardware devices, such as the Main Mixer, instrument and effect devices etc., almost all controls are designed like their real world counterparts - mixer faders, effect unit knobs, transport buttons, etc. How to adjust these controls is described in the following paragraphs.
#Knobs
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To “turn” a knob, point at it, hold down the mouse button and drag up or down (as if the knob was a vertical slider).
Dragging upwards turns the knob clockwise and vice versa.
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If you press [Shift] and drag, the knob will turn slower, allowing for higher precision.
You can also adjust the knob precision with the “Mouse Knob Range” setting on the General page in Preferences. This dialog is opened from the Edit menu (or from the Reason menu if you are running macOS).
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To reset a knob to its default value (usually zero, center pan or similar), press [Ctrl](Win) or [Cmd](Mac) and click on the knob.
#Faders and sliders
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To move a fader or slider, click on the handle and drag in the fader/slider direction.
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You can also click anywhere on the fader/slider to instantly move the handle to that position.
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If you press [Shift] and drag, the fader/slider will move more slowly, allowing for higher precision.
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To reset a fader/slider to its default value (usually zero, 100, center pan or similar), press [Ctrl](Win) or [Cmd](Mac) and click on the fader/slider handle.
#Buttons
Many functions and modes are controlled by clicking buttons. Many of the buttons in Reason have a “built-in” LED, or the button itself lights up, indicating whether the button is on or not.
#Fold/Unfold buttons
Fold/Unfold buttons are distinguished by a small triangle at the top to the left on a device. Clicking on a Fold/Unfold button will unfold the device panel so that more controls are visible and can be accessed for editing on the screen.
On some devices, such as the RV7000 Advanced Reverb, there are more than one Fold/Unfold button. Clicking on the second Fold/Unfold button on the unfolded front panel will open up the Remote Programmer panel from which more parameters can be accessed:
The Fold/Unfold buttons on an RV7000 Advanced Reverb device.
#Multi Mode selectors
Some parameters allow you to select one of several modes. There are two different graphical representations of this in Reason.
The multi mode selector type below consists of a button with the different modes listed above it:
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Click the button to step through the modes or click directly on one of the modes printed on the panel, or click on the corresponding LED, to select mode.
The currently selected mode is indicated by a lit LED.
The multi mode selector type below is a switch with more than two positions:
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To change mode, click and drag the switch, or click directly at the desired switch position (just as when adjusting a slider).
#Numerical controls
In Reason devices, numerical values are often displayed in numerical displays with “spin controls” (up/down arrow buttons) on the side. Some parameter values, such as oscillator and LFO waveforms, are displayed graphically in the displays. There are two ways of changing values in these types of controls:
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By using the up and down buttons on the spin controls.
To adjust a value in single steps, click on its up or down arrow button. To scroll a value continuously, click on an arrow button and keep the mouse button depressed.
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By clicking and holding the mouse button depressed in the actual display and then dragging the mouse up or down.
This allows you to make coarse adjustments very quickly.
#Alpha-numeric controls
In Reason, alpha-numeric values and/or device presets are displayed in alpha-numeric readouts with “spin controls” (up/down arrow buttons) on the side. There are two ways to change alpha-numeric/preset values:
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By using the up and down buttons on the spin controls.
To adjust a value or select a preset in single steps, click on the up or down arrow button. To scroll a value continuously, click on an arrow button and keep the mouse button depressed.
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By clicking and holding the mouse button depressed in the actual alpha-numeric display and selecting from the list that appears.
This allows you to make coarse adjustments very quickly or to immediately change to a preset anywhere in the list.
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This type of control is used to select, e.g., patch and reverb algorithms and some oscillator waveforms.
#Numerical segment displays
In the numerical segment displays on the sequencer Transport Panel and in the sequencer Inspector, values can be edited in a number of different ways. The editing principle is exactly the same for the Transport Panel and Inspector displays, which is shown in the two examples below.
#Transport Panel segment displays
The segment displays of the Transport Panel can be edited as shown in the following Tempo display examples. The Tempo display segments show (from left to right) BPM and 1/1000 BPM:
The other segment displays on the Transport Panel can be edited in the same way as described above. Some displays also features up/down arrow buttons.
#Inspector segment displays
The segment displays in the Inspector can be edited as shown in the following Position display examples. The Position display segments show (from left to right) Bars, Beats, 1/16th Note and Ticks:
The other segment displays in the sequencer Inspector can be edited in the same way as described above.
Context menus are “tailored” to contain only menu items that are relevant to the current circumstances. Using the various context menus allows you to work more quickly and more efficiently with Reason.
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To bring up a context menu, right-click (Win) or [Ctrl]-click (Mac) on the desired object, section or area in Reason.
The Mixer 14:2 device panel context menu
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If you are using a Mac with a two button mouse, you may want to set this up so that clicking the right mouse button generates a [Ctrl]-click. This way, you can right-click to bring up context menus.
The contents of the context menus depend on where you click. These are the primary types of context menus you will encounter in Reason:
#Parameter context menus
If you click on an automatable control (a mixer parameter, a device parameter, a fader, etc.), the context menu will contain the following items:
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Functions for editing and clearing the recorded automation data for the control.
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Functions for associating computer keyboard commands and/or MIDI messages to the parameter.
This allows you to remote control parameters from a MIDI device or from the computer keyboard.
#Device context menus
If you click anywhere on a device in the Rack (but not on a parameter or display), the context menu will contain the following items:
The Mixer 14:2 device panel context menu
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Cut, Copy, Paste, Delete and Duplicate Device and Track items, allowing you to rearrange and manage the devices in the rack.
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Commands for managing Device Groups.
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A duplicate of the Create menu, allowing you to create new devices.
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A “Go To” sub-menu, listing all devices connected to the current device.
Selecting a device from the Go To sub-menu scrolls the rack to bring that device into view.
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Auto-routing and Disconnect functions.
This allows you to automatically route (connect) or disconnect a selected device in a logical way.
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Combine and Uncombine are used when you want to use the selected device in, or exclude it from, a Combinator setup.
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A Browse Instruments item which lets you browse for sounds for a selected Instrument device.
This item is available only for Instrument devices.
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Additional device-specific items.
If the device is pattern-based, there will be various pattern functions (Cut/Copy/Paste, Clear, Shift, Randomize, etc.). These affect the currently selected pattern in the device.
If the device uses patches, there will be functions for managing patches.
Depending on the device there may also be various device-specific functions available. For example, the drum machine device has functions for manipulating the pattern for the selected drum sound only, etc.
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“Create Track for...” and “Delete Track for...” are used if you want to create a Sequencer Track for the selected device, or delete the Sequencer Track used for the device without deleting the actual device.
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The “Go To Track for ...” will scroll the corresponding Sequencer Track into view in the Sequencer.
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The “Lock Control Surface to this Device” lets you lock a connected control surface to the selected device.
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The “Track Color” item lets you select color for the associated Sequencer Track (and Main Mixer channel strip, if the selected device is an Audio Track device).
#Main Mixer channel strip context menu
If you click anywhere on a channel strip in the Main Mixer (but not on a parameter or display), the context menu will contain the following items:
The Channel Strip context menu.
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Cut, Copy, Paste, Delete and Duplicate Channels and Track items, allowing you to rearrange and manage the channel strips in the Main Mixer.
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Commands for managing Device Groups.
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The “Create Send FX” lets you browse for an effects device, or Effect Combi patch, to connect and use as a send effect.
The send effect will be automatically connected to the first available Send FX connectors of the Master Section device in the Rack.
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A duplicate of the Create menu, allowing you to create new devices.
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“Route to” lets you create and connect to an Output Bus for sub-mixing.
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“Create Parallel Channel lets you create and connect to an additional channel for parallel processing.
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The “Copy Channel Settings” item lets you copy groups of settings for the selected channel strip.
The groups that can be selected are: “Dynamics”, “Filters and EQ”, “Insert FX”, “FX Sends” and “All”.
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The “Paste Channel Settings” item appears if you have previously copied any channel settings and want to paste these to the selected channel strip.
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The “Browse Insert FX Patches” lets you browse for, and load, Effect Combi patches to the Insert FX section.
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The “Clear Insert FX” lets you delete any Insert Effects devices used in the channel.
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The “Reset All Channel Settings” resets all channel strip parameters to their default values.
It also automatically removes any used Insert FX devices from the channel strip.
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The “Set Remote Base Channel” item lets you set the remote base channel to the selected channel strip.
This is useful when you remote control channel strips from a control surface via MIDI.
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The “Lock Control Surface to this Device” lets you lock a connected control surface to the selected channel strip.
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The “Channel Color” item lets you select color for the Main Mixer channel strip (and the associated Sequencer Track, if the selected channel has a track in the sequencer).
#Rack “background” context menu
If you click in an empty area of the rack, the context menu will contain the following items:
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A Paste Devices and Tracks item, allowing you to paste any copied or cut devices and tracks.
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A duplicate of the Create menu, allowing you to create new devices.
#Main Mixer “background” context menu
If you click in an empty area of the Main Mixer, the context menu will contain the following items:
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A duplicate of the Create menu, allowing you to create new devices.
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The “Create Send FX” lets you browse for an effects device, or Effect Combi patch, to connect and use as a send effect.
The send effect will be automatically connected to the first available Send FX connectors of the Master Section device in the Rack.
#Sequencer context menus
If you click in the Sequencer, the context menus will contain items related to editing tracks, clips and events. The available items will differ depending on in which section or lane you click (Track List, note lane, etc.), and depending on whether you click on a note or automation event or not.
For example, the sequencer context menus contain functions for inserting or removing bars, deleting tracks, changing or deleting note and automation events.
Virtually all actions in Reason can be undone. This includes creation, deletion and reordering of devices in the rack, parameter value adjustments, recording and editing in the sequencer etc. You can undo hundreds of actions.
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To undo the latest action, select “Undo” from the Edit menu, or hold down [Ctrl](Win) or [Cmd](Mac) and press [Z].
The action to be undone is indicated next to the Undo command on the Edit menu. For example, if your latest action was to delete some device(s) from the rack, the Edit menu will display “Undo Delete Devices and Tracks”.
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To redo the last undone action (“undo the undo operation”), select “Redo” from the Edit menu, or hold down [Ctrl](Win) or [Cmd](Mac) and press [Y].
Similarly, the action to be redone is shown on the Edit menu.
#About multiple Undos and Redos
The concept of multiple undos may require an explanation.
Let’s say you have performed the following actions:
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Created a Mixer device.
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Created a synth device.
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Adjusted the Attack parameter of the synth device.
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Changed the panning for the synth device in the Mixer.
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Adjusted the playback tempo on the Transport Panel.
After these five actions, the Undo History will look as follows:
| UNDO
5. Adjust tempo
4. Change pan
3. Adjust Attack
2. Create Synth Device
1. Create Mixer Device
If you now select Undo, your latest action (the tempo change) will be undone, and moved to a “Redo list”:
| UNDO
| REDO
4. Change pan
 
3. Adjust Attack
 
2. Create Synth Device
 
1. Create Mixer Device
5. Adjust tempo
Selecting Undo again undoes the next action in the list (the panning adjustment):
| UNDO
| REDO
3. Adjust Attack
 
2. Create Synth Device
4. Change pan
1. Create Mixer Device
5. Adjust tempo
If you now select Redo, the most recently undone action will be redone. In this case, your panning adjustment will be performed again (and added to the Undo History again):
| UNDO
| REDO
4. Change pan
 
3. Adjust Attack
 
2. Create Synth Device
 
1. Create Mixer Device
5. Adjust tempo
At this point, you still have the option to Redo the tempo change. But if you instead perform another action (e.g. change the level of the synth device in the mixer), this would become the action at the top of the Undo History - and the Redo list would be cleared.
| UNDO
| REDO
5. Change level
 
4. Change pan
 
3. Adjust Attack
 
2. Create Synth Device
 
1. Create Mixer Device
(Empty)
You can no longer redo the “undone” tempo change!