Galls Street Thunder ST280 Manual de instrucciones de instalación y funcionamiento - Página 4
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Installer Selectable Options (Jumper Settings)
The ST280 has several options that can be selected during installation. Jumpers on
the printed circuit board, inside the case, allow the installer to select these various
options. These options should be set before installation of the unit.
Park Kill input polarity
•
Auxiliary input polarity
•
Two-tone replacement of Thunder tone
•
Thunder Disable
•
Slide Switch Pursuit Siren Disable
•
Speaker (Audible Beep) Disable
•
8 second timed gun lock release (S4)
•
After the cover has been removed, find the location of the option jumpers (see the
diagram below).
Park Kill Input Polarity -
The park kill (cutout)
input turns off any siren
tone output when
activated (i.e. vehicle
shifted into park, door
opened, etc.), and
remains off until a control
on the siren is activated
or changed. The wiring
diagram on page 7
shows two connection
examples.
The park kill input is normally activated by connecting the gray wire to positive
voltage. To activate by connecting it to ground (negative) instead, move the
jumper from the "PK-POS" pins to the "PK-NEG" pins.
Cover Removal - Remove the
four Philip head screws
located on the back of the
unit. DO NOT REMOVE THE
SCREWS ON THE FRONT OF THE
UNIT! Slide the top cover off
the front face of the unit.
Take care not to damage the
microphone cord during this
procedure. This cover can be
removed completely from the
siren unit. Carefully slide the
cover over the microphone
and set it aside.
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