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.
-
Auxiliary input polarity
-
Park Kill 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).
Auxiliary Input Polarity - The auxiliary input (green wire) is normally activated
by applying a positive voltage to the wire. To activate by connecting to ground
(negative), move the jumper from the "AUX-POS" pins to the "AUX-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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