PD154 & PD158 Vigilante
®
II Annunciators
Instruction Manual
19
Front Panel Pushbuttons and Status LED Indicators
Button
Description
Silence Horn
Acknowledge
Alarm
Reset Clear
Input Channels
LED
Description
Red
Indicators
1
Channel status
indicators
Green
Indicator
Indicates power is on.
1. Quantity 4 red LED on the PD154
Quantity 8 red LED on the PD158
Pushbutton Descriptions
SILENCE
Silences the audible alarm without affecting the indication sequence
states. This pushbutton may be disabled (see page 27).
ACK (Acknowledge)
Acknowledges alarmed channels. See selected sequence details for
complete function description (see page 31).
RESET
Resets all acknowledged channels. This button is not used on ISA
sequences A, F1A, and F2A, which reset acknowledged channels
automatically. See selected sequence details for complete function
description (see page 31).
LED TEST
(SILENCE & ACK)
Press and release the
SILENCE
and
ACK
pushbuttons to flash the
channel indicator LEDs for a lamp test.
SILENCE
ACK
RESET
POWER