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NOTE: In some instances, optional
circuit boards may be located directly
above these LED’s.
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6
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5
Fault (RED) - Normally off. When a
problem has been detected, this LED
will be on.
DC - Normally on. If no DC voltage was
detected during a siren tone or
,
this LED will be off.
SI TEST®
Active - This LED normally flashes at a
rate of once every half seconds. When
a problem has been detected, this LED
will stop flashing or be off. Also indicates
receipt of DTMF data by flashing at a
faster rate for about 1 second.
AC - Normally on. If no DC voltage was
detected during a siren tone or
,
this LED will be off.
SI TEST®
Rotator - This LED is not used with the
WPS-2800 system.
Squelch - Normally off. This LED will light
when the station is receiving a radio
broadcast. If equipped with the optional
receive tone/squelch tone, the LED will
only light when the receive frequency
and sub-audible tone squelch frequency
tone is detected.
Full - Normally on. If a siren amplifier
does not operate properly during a
tone activation or SI TEST®, this LED will be off.
PTT - Normally off. This LED will light when
the station transmitter is active.
Partial - Normally on. If all siren
amplifiers do not operate properly during
a
, this LED will be
off. If at least one amplifier operates properly,
it will remain on.
tone activation or SI TEST®
Fig. 23: System LED Diagnostic Indicators
