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Document: LT0554
Vigilant BOWS Installation & Operation Manual
Issue 1.20
6 September 2012
Page 2-1
The BOWS has 5 front panel indicators (LEDs) and an Evacuation
Control key switch (003) located on the inner front door (Figure 7), plus
an emergency PA microphone with its press-to-talk (PTT) switch.
Figure 7. Inner Door Controls and Indicators
The BOWS has 5 indicators on the front panel as shown in Table 1.
Table 1. BOWS Front Panel Indicators
Indicator
Colour
Description
Power On
Green
On when power is on
Alarm
Red
Alarm input (ALM-) is activated by the
fire alarm system
Isolated
Blue
Evacuation Control switch is in the
ISOLATE position
Audio Fault
Yellow
100V speaker line is open or short circuit
or
amplifier fault
Power Supply
Fault
Yellow
Power supply is in fault (e.g., battery
charge low or disconnected)
Chapter 2
Operation
Summary
Indicators