Membrane Switches And Leds; Introduction; Figure 2-1. Npu Front Panel Membrane Switches And Leds - Simplex 4120 Operating Instructions Manual

Membrane Switches and LEDs

Introduction

Description of Membrane
Switches and LEDs
The Front Panel provides eight membrane switches and six LEDs. The LEDs
present information about what is going on within the network and the
membrane switches present a means for responding to events that occur within
the network. Figure 2-1 shows the membrane switches and LEDs.

Figure 2-1. NPU Front Panel Membrane Switches and LEDs

The following table describes each membrane switch and LED.
Table 2-1. Membrane Switch and LED Functional Descriptions
MEMBRANE SWITCH
Fire Alarm ACK
firealarmresources.com
FUNCTION LED
Brings up the Fire Fire Alarm
Alarm Active List at LED
any time and
acknowledges
incoming events. For
individual
acknowledge press the
switch once for each
point. For global
acknowledge press the
switch once and all
events are
acknowledged.
2-2
FUNCTION
Flashes when
unacknowledged events
occur. On steadily when
all fire alarms have
been acknowledged.
Off when all fire alarm
points are normal.
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