SilentKnight VisorAlarm Plus 2U Operating Instructions - Manual (Page 9)

VisorALARM PLUS 2U Controls and Indicators
II - 2
Doc.DM375-I
Ver. 1.0
1. Unit Controls and Indicators
VisorALARM PLUS 2U receiver control panel includes an LCD display, a keypad and several LED
indicators.
1.1. LCD Display
VisorALARM PLUS 2U uses a 40-character (2 lines of 20 characters each) high viewing angle LCD
display. The display includes a long life white backlight that remains illuminated while system is
running.
When there is no pending signal, the first line of the display shows the type of the receiver, this can be
PRIMARY, BACKUP or Maintenance Receiver. Second line shows the status of the receiver.
1.2. LED Indicators
LED Indicators are provided to annunciate the following conditions:
LED OFF RED
PWR (AC Power) No power Power present
LED OFF Blinking RED RED
ACK
(Pending signals)
No pending signals Signals pending to
acknowledge
Signals pending to
restore
LED Blinking RED RED GREEN
TRB
(Trouble signals)
System Trouble
signals pending to
acknowledge
System Trouble
signals pending to
restore
No System troubles
LED RED GREEN
PRN (Printer) Printer not present Printer present
PRIMARY VisorALARM
Waiting for signals