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Operation
Buttons for the LCD XY/MD Model
Page Up
The button scrolls up. The meaning of scrolling varies with context:
• Scrolling devices within a category: 'Page Up' moves to the next higher device in the
category's device list. (Example: if the current device is VTR_12, the next higher device
would probably be VTR_13, subject to the device definitions in the NV9000
configuration.) Scrolling devices is possibly only when a category selection is in
progress.
• Scrolling salvos in salvo mode: 'Page Up' moves to the salvo with the next higher index
in the panel's salvo list. (It is expected that if the panel has a salvo button, it also has a
salvo list.)
• Scrolling levels in level mode: 'Page Up' moves first to "All Level" and then to the last
level and then to previous levels defined for the destination. Using the 'Page Up' button,
you can cycle through all the levels (including "All Level") indefinitely.
Panel Lock
The button prevents accidental changes to the panel settings, especially router crosspoints.
When the panel is locked, the button array becomes blank except for the Panel Lock button
which becomes high tally amber.
The button is a toggle: press the panel lock button again to revert the panel to its previous
state.
Preset Release
This button removes locks and protects from preset source devices. (If source locks and
protects are not used in your system, this button is not needed.)
If you select a source and someone else has locked or protected the source, your panel will
illuminate the 'Preset Release' button and tell you who locked or protected the source. You
can release it if your panel has "forced release" enabled. (Note that you cannot lock or
protect sources with the NV9649.)
Press the 'Preset Release' button to release the source.
The default button text is "Preset Release" but the button can have any legend.
Previous Source
The button presets the previously routed source to the currently selected destination. To
restore the previous route, you must next press 'Take' assuming you have not changed the
destination. This function is useful when you make a route in error.
The button does not restore the previous destination. If you changed the destination and
press 'Previous Source' , the take will not restore the previous route.
Quick Source
A quick source button selects a source and performs an immediate take (to the destination
of the control unit in which the quick source button is located).
Quick source and source buttons are similar, except that the quick source performs a take.
Be aware of which buttons are quick sources so you do not perform an accidental take.
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