ASL INTERCOM VAR4, Руководство по установке

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VAR4 – Installation Guide
Issue: 02 complete, approved
Page 5 of 20
Indicators and Controls Description
1
LCD Display
2 x 40 backlit alphanumeric display.
Used to display the control menu, faults, and configuration data.
power green Lit only if the unit is receiving DC power from both sources.
processor green Flashes to show that the processor is healthy.
comms green
Lit to indicate communication activity between the main processor
and the amplifier units.
Flashes on receipt of a message from an amplifier unit.
2
LEDs
fault amber
Lit to indicate that the unit has detected a system fault.
Flashes if a fault has not yet been accepted.
W
X
The left and right arrow keys move the item selection in the
direction selected, to the next item in the menu. The selected item
is indicated by [brackets] around the selection.
S
T
The up and down arrow keys toggle a selection, or increment a
number, or a letter of the alphabet when editing.
The rotary encoder acts in the same manner as these keys, and
enables faster editing.
SELECT Press after selecting an item to confirm the selection.
BACK
Press after selecting an item to cancel the selection.
If pressed repeatedly, this returns the display to the top-level
menu.
DEFAULT
Press to clear previously configured text strings quickly during
system configuration, or to return fields to their default values.
FAULT ACCEPT
Accepts all current faults, steadies the flashing fault LED
indication, and turns off the audible alarm until a new fault
condition occurs.
FAULT CLEAR
Clears all faults and sets all connected equipment to the 'no faults'
state, which also cancels any amplifier changeovers in effect. If
there are any faults present in the system then they are detected
anew, and reported again.
AUDIO MON Selects Audio Monitor sub-menu on the LCD display.
3
Keys
LAMP TEST
Tests all indicators on the VAR and on all connected amplifier
units. The sounder is also tested. The display shows ‘LAMP +
SOUNDER TEST’ and the menu locks during this time.
This function is also available from the ‘Tests’ menu.
4
Rotary Encoder
Multi-function:
•
An alternative for the S and T arrow keys for fast increment
and decrement of menu items.
•
During Audio Monitoring it also acts as a volume control.
5
Loudspeaker Dual function: Alarm Sounder and Audio Monitor.