VAR4 / VAR12 / VAR20 - Operation Manual
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7.2.8 Input Phantom Power Configuration
It is possible to select whether phantom power is applied to a Mic/Line input, as described in the following
steps. This is typically used for Electret and Condenser microphones.
1. Select ConfigurationÆSystemÆRouterÆInputsÆMic/Line.
2. Scroll the Mic/Line input list and select the required input:
[I/P #01 – MIC/LINE 01]
Default value: input 1
Possible inputs: 01 to 04 for VAR4
01 to 12 for VAR12
01 to 20 for VAR20
Note: The input name is shown on the right side of the display. The input name above is the Mic/Line
input 1 default name, however this may have been changed according to each site’s
configuration.
3. The configured Mic/Line type is displayed.
The input type may be changed, as described in Section “7.1 Mic/Line Input Type Configuration”.
4. Press the SELECT key to display the next sub-menu.
5. Move to, and select the Ctrl menu item, which is shown in different positions for different input types as
follows:
‘Paging Microphone’ and ‘Zoned Fire Microphone’
Buttons Audio [Ctrl] Name
‘Single Button Microphone’
PTT Audio [Ctrl] Name
‘Fire Microphone’ and ‘Miscellaneous Input’
Audio [Ctrl] Name
6. Move to, and select the Phantom menu item.
Pri [Phantom] Class
7. Toggle to the required Phantom power option:
[Phantom=Off]
• [Phantom=Off]
Phantom power is not applied to the Mic/Line input.
• [Phantom=On]
Phantom power is applied to the Mic/Line input.
Default value: ‘Phantom=Off’
Note: Phantom power should be ‘Off’ on ASL microphones.
8. Save the changes by pressing the SELECT key, or cancel by pressing the BACK key.
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