-3-
SIREN OPTION DIP SWITCHES
Amplifier Cover Removal
CAUTION:
DO NOT OVER
TIGHTEN SCREWS!
Loosen the three
protruding
Philips head screws located on
the
top
of the amplifier unit. Slide
the cover off.
(Installer Selectable Options CONT’D)
Auxiliary Input Polarity
Applying a positive voltage to the green wire normally activates the auxiliary
function (Air Horn standard/MANUAL function optional).
The wiring diagram on page 13 shows both connection examples.
To instead have the AUX function activate when the green wire is connected to
ground (negative)
.
1. Turn “AUX POS” DIP switch off.
2. Turn “AUX NEG” DIP switch on.
Diagram showing NEG AUX set up
