VAR4 / VAR12 / VAR20 - Operation Manual
Is
Page 59 of 308
sue: 03 complete, approved
6.3.4 Commissioning
an Amplifier Slot
Each amplifier mainframe houses up to four amplifiers, each inserted into one of the four available amplifier
slots. These slots are referred to as Slot 1, Slot 2, Slot 3 and Slot 4 at the VAR Router.
Each amplifier may be commissioned for AC internal audio path surveillance, DC loudspeaker line
surveillance, and Earth Leakage detection, depending on the installed Interface Card.
Some of this commissioning is automatic, and some is manual, as described in the following sections.
L
When an amplifier is selected for commissioning the ‘select’ LED on the mainframe front panel
for that particular amplifier will be illuminated.
6.3.4.1 Editing/Viewing
an
Amplifier Slot Description
A description can be assigned to each amplifier slot. This name is for reference only, and is only shown in
menus accessing mainframe slots, such as, amplifier slot commissioning and test menus.
In order to edit or view an amplifier slot description proceed as follows.
1. Select
Configuration
Æ
Frames
.
2. Scroll and select a mainframe from the configured mainframe list:
[Frame#nn - ]
Default values: n.a.
Note:
If no mainframe is configured, then a warning message will be displayed.
The mainframe description will be shown on the right side of the display, if defined.
3. Move to, scroll, and select a slot from the selected mainframe’s slot list:
Commission Description Temp [Slot#n]
Default values: ‘Slot#1’
Possible slots: 1 to 4
Note:
If the selected slot is not configured, then a warning message will be displayed.
4. Move to, and select the
Description
menu item:
[Description] AC Level DC Line Earth
5. Edit the slot description as required using the arrow keys or the rotary encoder.
[ ]
Default values: blank
Possible value: alphanumeric string of up to 12 characters
Note:
The DEFAULT key may be used to clear the entire text string to all blank, for speedier input.
6. Commission the amplifier by pressing the SELECT key, or cancel by pressing the BACK key.
The system will return to the parent menu after 3 seconds on pressing the SELECT key, or immediately
on pressing the BACK key.
Содержание VAR12
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