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Mouse wheel control of a parameter
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=The Zynthian's Hardware User Interface=
 
=The Zynthian's Hardware User Interface=
[[File:zynthian_controllers.png|340px|right]]
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[[File:zynthian_controllers.png|400px|right]]
[[File:zynthian_ui_workflow_1.png|thumb]]
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[[File:zynthian_ui_workflow_1.png|400px|thumb]]
[[File:zynthian_ui_workflow_2.png|thumb]]
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[[File:zynthian_ui_workflow_2.png|400px|thumb]]
    
The Zynthian's Hardware UI is displayed on a touch display and controlled by 4 rotary-encoders with switches (push).
 
The Zynthian's Hardware UI is displayed on a touch display and controlled by 4 rotary-encoders with switches (push).
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  - [https://docs.google.com/drawings/d/1Um1HVCvvb4gZF_X-vcIN9cTxYIBRCtZ5oxniUdSTB3c/edit?usp=sharing Aux. Sequences: zynthian_ui_workflow_2]
 
  - [https://docs.google.com/drawings/d/1Um1HVCvvb4gZF_X-vcIN9cTxYIBRCtZ5oxniUdSTB3c/edit?usp=sharing Aux. Sequences: zynthian_ui_workflow_2]
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=The UI Menus=
 
=The UI Menus=
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Most of actions depends on context (the current menu screen), but there are some actions that are global and will work from any menu screen:
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* '''long-back''': go to the admin menu
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* '''long-select''': power off
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Snapshot actions are also global an will work from any point in the workflow. These actions are explained below.
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==Layer List==
 
==Layer List==
 
[[File:Zynthian_ui_new_layer.png|400px|right]]
 
[[File:Zynthian_ui_new_layer.png|400px|right]]
This is the first screen you see when you power on and no screenshots are stored yet.
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This is the first screen you see when you power on and no screenshots are stored yet. A layer is a synth engine preset assigned to one (or all) MIDI Channel. Choose New Layer to get started.
Choose New Layer to get started. A layer is a synth engine preset assigned to one or several MIDI channels. You can adjust the preset parameters from the instrument control screen.
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[[File:Zynthian_ui_layer_list.png|400px|right]]
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You can create up to 16 layers. Several layers can be assigned to the same MIDI Channel.
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[[File:Zynthian_ui_layer_options.png|400px|right]]
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If you bold-press the select switch, the "Layer Options" menu will be opened for the selected layer. This menu allows to:
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* change the assigned MIDI Channel
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* transpose the layer up and down, by semitones.
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* route the layer's engine audio output to MOD-UI audio input, for audio processing
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* delete the layer
 
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[[File:Zynthian_ui_instrument_control_03.png|400px|right]]
 
[[File:Zynthian_ui_instrument_control_03.png|400px|right]]
If the list is long, you can "bold click" the select switch for navigating the list.
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If the page list is long, you can "bold click" the select switch for navigating the list using the select knob.
 
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Press the back switch to return to previous screen. If you press bold-back, then you will go 2 screens backwards.
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You can press the layer switch to step over the layer list. If bold-press, the layer list will be shown.
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Press the back switch to return to previous screen. If bold-back, then you will go 2 screens backwards.
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==Load/Save Snapshot==
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[[File:Zynthian_ui_snapshot_load.png|400px|right]]
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[[File:Zynthian_ui_snapshot_save.png|400px|right]]
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Click the snapshot switch for entering the Load Snapshot screen. Another click and you will be in the Save Snapshot screen. You can also use bold-click for going directly to the Save Snapshot screen.
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Obviously, before loading any snapshot, you should save one. Snapshot are organized in banks, so if you don't have any bank, you should create one.
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Zynthian UI will use numbers for naming the banks and snapshots. Later, from the webconf tool you can rename the banks and snapshots to something more explicit.
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If you want to go up one level, from snapshots to banks, you should use the ".." entry in the list. Back button wont work here.
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===Default Snapshot===
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You can save a "Default Snapshot". This snapshot will be loaded automatically at startup. For deleting it, you should use the webconf tool.
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You can "emulate" the switches by tapping the controller widgets (squares in the 4 corners of a Controller screen). There are short, bold and long actions. Exactly the same workflow as with hardware knobs. When the "back" widget is not available, you can go back by tapping the top bar.
 
You can "emulate" the switches by tapping the controller widgets (squares in the 4 corners of a Controller screen). There are short, bold and long actions. Exactly the same workflow as with hardware knobs. When the "back" widget is not available, you can go back by tapping the top bar.
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You can change the values of the controllers by "sliding" over the widgets. This is the same as turning the knob.  
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You can change the values of the controllers by "sliding" over the widgets. This is the same as turning the knob. If you are using a mouse, the mouse wheel also modifies the parameter.  
    
When clicking (tapping/touching) the topbar, a "back" event is triggered. It's a quick & dirty fix and probably it will change in the future, but meanwhile it will enable you to fully control Zynthian using the touchscreen if you don't have knob hardware.
 
When clicking (tapping/touching) the topbar, a "back" event is triggered. It's a quick & dirty fix and probably it will change in the future, but meanwhile it will enable you to fully control Zynthian using the touchscreen if you don't have knob hardware.
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