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OPERATION
GENERAL
This unit is designed for easy operation under the stress associated with
SELECTOR SWITCH
The rotary selector switch controls the primary oper- ating function of the siren.
Yelp - A rapidly changing tone used in congested areas.
Wail - A slower changing tone used on highways. Stby - A silent mode that allows Manual, Horn and Public Address operation.
Radio - Also known as Radio Repeat, this function amplifies a radio speaker input for
YELP
WAIL STBY
RADIO
MAN/PHSR
This momentary
With the selector switch in the Stby position this switch provides Manual siren tone control, rising when pressed and falling when released. This is used to momentarily alert motorists or in low noise areas.
Optional operation includes replacement of the Phaser
tone with
and may be governed by State or Local laws.
HORN
This momentary
MICROPHONE
The attached
VOLUME CONTROLS
Volume controls are provided for radio repeat function volume and public address volume. These should be set when the vehi- cle is parked. Set the RAD volume with the selector switch in the Radio position and the radio volume set to desired level. Set the PA volume to the maximum level with no feedback (squeal).
VOLUME
H | L | H | L |
RAD PA
AUXILIARY INPUT
During installation an auxiliary input may be connected to the horn ring or other switching device. It provides the same operation as pressing the Horn button or optionally the Man/Phsr button.
CUTOUT
During installation, a cutout input may be connected to a door switch. It turns off any siren tone when the door is opened. The siren tone will continue to be cut off even when the door is closed. Changing any switch or input will restore normal function.
HORN RING CYCLER (Optional)
During installation, the auxiliary input may be connected to the horn ring or other switching device, and the HRC option programmed. With the Selector Switch set to the STBY position, the horn ring can be pressed repeatedly to select the Wail, Yelp, Phaser and Standby tones or modes in succession. Operating any other switch resumes normal operation. Please note that this option disables Phaser selection in the Wail or Yelp selector switch positions.
9/14/01 | CP4836A |