VAR8 and Variants Operation, Commissioning, Fault Finding, and Maintenance Guide -
Is
Page 13 of 166
sue: 02 complete, approved
3.2.2 Selecting Menu Item and Saving Changes
Use the W and X keys to move to the next item in the menu.
To select a [highlighted] item press the SELECT key. To save changes, press the SELECT key.
To exit from the current menu and to return to the parent menu without saving changes, press the BACK
key.
3.2.3 Changing an Option
Use the S and T keys and the rotary encoder to edit or scroll options.
3.2.4 Rotary Encoder
The rotary encoder has multiple functions dependent on the current menu selection as follows:
• Fast increment and decrement of menu items (faster than using
S and T arrow keys)
• Acts as a Volume Control during Audio Monitoring.
3.3 LCD Display Timeouts
All menus timeout to revert to the previous (higher) level after two minutes with no user activity. If logged on,
then after five minutes with no activity the user is logged off. Thus with no user activity the LCD display
always returns to the top-level display and logged off state.
The LCD backlight is under control of the processor. It is switched on whenever any button is pressed, and
stays on for five minutes after the last key press has occurred. Should a fault occur, the backlight is
automatically illuminated.
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