Galls Street Thunder ST280 Руководство по установке и эксплуатации - Страница 15
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VOLUME CONTROLS
The radio repeat volume (Radio) control is recessed in
the upper left hand corner of the front face. This
should be set when the vehicle is parked. First set the
volume level of the vehicle's two-way radio to its
normal operating volume. Adjust the siren's rotary
selector switch into the RADIO position. Insert a
small, flat blade screwdriver into the RADIO volume
adjustment port. Turn clockwise direction to increase
the sound level.
The PA volume (PA Vol.) control is provided for public
address volume. It is located in the upper right hand corner
of the front face. This should be set when the vehicle is
parked. Set the PA volume to the maximum level with no
feedback (squeal).
MICROPHONE
The attached noise-canceling microphone is used for public
address operation and overrides any siren tone when its
push-to-talk (button on the side) is pressed.
AUXILIARY INPUT
During installation an auxiliary input may be connected to the vehicle horn ring or
other switching device. It provides the same operation as pressing the Horn button
or optionally (via internal jumpers) the Manual rocker switch.
PARK KILL (CUTOUT)
During installation, the Park Kill input may be connected to a door switch. It will
automatically turn off any siren tone when the door is opened. The siren tone will
continue to be cut off even when the door is closed. Changing any switch or input
will restore normal function.
SPEAKER DIAGNOSTICS
There are two diagnostic LED's located BENEATH THE manual/Horn
rocker switch.. These LED's will only turn on while a tone is trying to be
generated. Status of the speakers are indicated as follows:
Steady - Speaker is connected and operating
properly.
Flashing - There is an electrical short in the
speaker or wires to the speaker.
Off - No speaker is connected, or
- The siren is not activated to output a
tone to the speaker, or
- The speaker or wire connection is loose
or is electrically open
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