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SC-407-10 Ver. B Installation and Operating Instructions Page 9 of 12
CP4842C 05/07/05
Horn Ring Cycler 2 (Optional)
During installation, the auxiliary input may be connected to the horn ring or other switching device,
and the HRC2 option programmed. With the Selector Switch set to the STBY position, tap the
horn ring to bring the unit out of standby into Wail tone. Repeatedly tapping the horn ring will
cycle through Wail, Yelp, and Phaser tones. Tapping the horn ring twice quickly will stop the siren
tones and return the unit to standby. Pressing and holding the horn ring will produce Horn tone
until released. Then the siren will return to its previous siren tone or standby. Please note that
this option disables Phaser selection in the Wail or Yelp selector switch positions.
NOTE: Earlier models with S/N lower than 04190000 have a different version of HRC. In this
case the siren tones cycle through Standby, Wail, Yelp, and Phaser. The tone is stopped by cy-
cling to Standby.
LIGHT SYSTEM CONTROLS
This unit provides large, durable switches for light control function. A 4-position lever switch pro-
vides control of primary lighting functions. It also provides automatic activation of the siren sys-
tem.
Setting the siren control switch to the On position can turn on backlighting of the light control
switches.
Lever Switch
The lever switch provides additive control of lighting functions.
Position 1 turns on a single lighting function, such as lights
pointing to the rear. Position 2 turns on an additional light func-
tion, such as lights pointing to the front. Position 3 turns on an
additional 3
rd
lighting function, such as strobes. Position 3 also
turns on a siren function (see below). The installer determines
actual function.
Common wiring configures the lever switch to operate as position 1 = parked, 2 = takedown and 3
= pursuit modes.
Automatic Siren
Position 3 of the lever switch provides automatic siren control. With both siren control rocker
switches set at center position (Stby/Off) the unit will activate the Wail siren tone. With the siren
control switches set at Yelp/Off position 3 will activate the Yelp siren tone. The Man/Phsr and
Horn switches will operate as if the siren control switches were set at the corresponding positions.
PA override is also functional. Automatic siren operation will not work if the right siren control
switch is set in the Rad position or the installer has disabled the function.
Rocker Switches
Four rocker switches are provided for vari-
ous other lighting functions, such as alley
lights, deck lights, headlight flashers, etc.
The switches light when turned on for night
use.
OFF 1 2 3
L ALY
A
UX 2
A
UX 1R ALY