LIMITED WARRANTY The Signal Division, Federal Signal Corporation (Federal), warrants each new product to be free from defects in material and workmanship, under normal use and service, for a period of two years on parts replacement and one year on labor from the date of delivery to the first user-purchaser.
SECTION I GENERAL DESCRIPTION The Model PA300 Series can drive one or two 11-ohm impedance, high power (100W) or low power (58W) speakers. When two speakers are used, they must be connected in parallel and in phase. The Tap II feature allows the driver to change the siren sound from wail to yelp (or vice-versa) via the vehicle’s horn ring.
SECTION III INSTALLATION SAFETY MESSAGE TO INSTALLERS ELECTRONIC SIRENS • Sound output will be severely reduced if any objects are WARNING in front of the speaker. If maximum sound output is The lives of people depend on your proper installation required for your application, you should ensure that the and servicing of Federal products.
CAUTION MOUNTING UNDER DASH 1/4" SPLIT LOCKWASHER 1/4-20 HEX NUT Damage to unit will occur if not properly CAUTION 1/4-20 x 3/4" HEX fused. Ensure that an in-line fuse (20A) and 1/4-20 x 1/2" HD CAP SCREW HEX HD. CAP fuseholder are installed in the red power SCREW WITH MOUNTING...
CAUTION BLU (SPKR, COM) To avoid damage to the unit, the 1/4-20 x 1/2 BRN (SPKR, HI) hex head cap screws and the 1/4 split ORG (SPKR, LO) lockwashers must be used as shown in figure WHT (HORN) 3-1. WHT/YEL (HORN RING) Tilt the unit to the desired position.
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Power for the siren can be obtained from VEHICLE HORNS STEERING COLUMN the vehicle’s power distribution center or directly from the vehicle battery. If power is going to be RELAY (USER SUPPLIED) obtained directly from the vehicle battery, drill a hole in the vehicle firewall for the power lead to enter the TO BATTERY engine compartment.
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Connect the in-line fuseholder lead to the positive (+) battery terminal. Connect the black wire to the negative terminal of the battery. HORN HORN 3-4. AIR HORN PRESS-AND-HOLD PEAK PEAK MODIFICATION. HORN HORN The unit comes from the factory set so that the PEAK peak-and-hold sound will be heard when the Selector PEAK...
SECTION IV OPERATION SAFETY MESSAGE TO OPERATORS OF FEDERAL SIGNAL ELECTRONIC SIRENS AND LIGHT/SOUND SYSTEMS • Frequently inspect the speaker to ensure that WARNING it is clear of any obstruction, such as mud or The lives of people depend on your safe snow, which will reduce maximum sound operation of Federal products.
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4-1. GENERAL. 4-3. SELECTOR SWITCH. All controls utilized during normal operation of The Selector switch is a five-position rotary the Model PA300 are located on the front panel (see switch used to select the mode of operation. The figure 4-1). following are positions on the Selector switch.
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and holding the horn ring for as long as the alternate 4-5. TAP II FUNCTIONS. sound is desired. The chart below shows these Tap II allows the driver to change the siren additional “Press and Hold” functions: sound via the vehicle’s horn ring. This feature is especially effective for clearing traffic.
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Your hearing and the hearing of others, in or Service Department close to your emergency vehicle, could be dam- Federal Signal Corporation 2645 Federal Signal Drive aged by loud sounds. This can occur from short exposures to very loud sounds, or from longer University Park, IL 60466 exposures to moderately loud sounds.