Operation – Code 3 MicroCom 2 Siren User Manual

Page 8

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8

Operation

IMPORTANT !

The Model 3992 Siren has two distinct modes of operation. These are Hit-N-Go mode and

SCROLL mode. The desired mode of operation can be selected via the amplifier rear panel slide
switch. Each mode will affect the siren operation as described below. The Hit-N-Go mode should be
most familiar to existing

users.

The Park Kill features will, in some cases, prevent the siren from producing siren tones. The

siren will not produce tones when the vehicle is in "PARK" if the PKILL feature has been connected.
To test the siren tones the vehicle must not be in "PARK". The following assumes that PKILL has not
been activated.

Operation - Hit-N-Go Mode Selected

The Hit-N-Go mode is designed to allow the user to instantly change siren tones by utilizing the

Remote input on the siren. By depressing the switch connected to the Remote input of the siren (usually the
vehicle Horn Ring switch), the user can cause the siren to change tones for an eight second period after
which time the siren will revert to the previous tone. The InterClear output will also be activated during this
period.

Function Description

RRB - In the RADIO position, the audio from the 2-way radio is rebroadcast over the siren speaker.

Note, all siren tone functions are disabled in this mode. Hhowever, the AIRHORN function will operate
normally.

STANDBY - This is the standby mode. If the MANUAL button is depressed the Manual wail tone will

ramp up until it reaches a peak then ramp down when released. If the AIR HORN button is depressed,
the Air Horn sound will be produced.

WAIL - Rotating the selector switch to the WAIL position will cause the siren to produce the Wail

tone. Depressing the AIR HORN button will produce the Air Horn sound and when released the siren will

resume the Wail tone. If the MANUAL button is depressed the Manual wail tone will ramp up until it

reaches a peak then ramp down when released then resume the selected tone. The Remote/Horn Ring
input will activate the Interclear output and cause the siren tone to either scroll to the next mode or change to
Yelp for 7 seconds, depending on the position of the SCROLL/HIT&GO switch.

YELP - Rotating the selector switch to the YELP position will cause the siren to produce the Yelp

tone. Depressing the AIR HORN button will produce the Air Horn sound and when released the siren will

resume the Yelp tone. If the MANUAL button is depressed the Manual wail tone will ramp up until it

reaches a peak then ramp down when released then resume the selected tone. The Remote/Horn Ring
input will activate the Interclear output and cause the siren tone to either scroll to the next mode or change to
HyperYelp for 7 seconds, depending on the position of the SCROLL/HIT&GO switch.

HI-LO - Rotating the selector switch to the HILO position will cause the siren to produce the HILO

tone. Depressing the AIR HORN button will produce the Air Horn sound and when released the siren will
resume the HILO tone. If the MANUAL button is depressed the Manual wail tone will ramp up until it reaches
a peak then ramp down when released then resume the selected tone. The Remote/Horn Ring input will
activate the Interclear output and cause the siren tone to either scroll to the next mode or change to HyperLO
for 7 seconds, depending on the position of the SCROLL/HIT&GO switch.

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