Assessments - 3, GPA: 3.3
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If the amplifier needs service the connector can be easily removed without unwiring the harness. The power supply for the amplifier must be capable of delivering peak currents up to 50 amps for adequate short circuit protection and reliable operation. The preferred source is directly at the vehicle battery. A fuse on the unit protects from overload. Wire Size and Termination -The diagram shows the minimum wire size used for each connection. If the wire is longer than 10 ft. use the next larger wire size. Use only high quality crimp connectors for installation on the vehicle. Negative Connection (Black) -Both leads must be used. Connect to negative battery connector or high current buss. Positive Connection (Red) - Both leads must be used. Connect to positive battery connector or high current buss. A power relay may be used. Speaker Connection (Orange) - Both leads must be used. Connect 1 lead to each terminal or lead of the speaker. When used with 2 speakers connect each orange lead to both speaker terminals or leads (parallel circuit). Observe polarity (phasing) when connecting 2 speakers. Control Connection (White) - Connect to white lead from control head. Route this lead away from radio transmitter antenna lead to prevent RF interference being fed to the siren amplifier. Optional Radio Input Connection (Blue) - Connect 1 lead to each terminal of the radio speaker or output connector. The input is isolated and polarity is not important. May need to set RADIO VOLUME ADJUST on side of unit. AMPLIFIER POWER HARNESS CONNECTIONS (2) #18 AWG ORG (#16 - 2 SPKR) 2 - SPKR - Connect for same phase (+ to +) #14 AWG BLK Use both leads Extend with #12 #14 AWG RED Use both leads Extend with #12 - BAT + CP3877-1 CABLE RADIO HORN MAN WAIL YELP PHASER SIREN PA VOL ON POWER GRN (AUX) YEL (DASH LIGHTS) BLK (-VDC) RED (+VDC) BLK TO -VDC RED TO +VDC 20AMP FUSE AUTOMOTIVE TYPE RADIO VOLUME ADJUST BLU TO TWO WAY RADIO SPEAKER WHT CONTROL CONTROL HEAD AMPLIFIER (CP3889 CABLE) (CP3040 CABLE) - ORG/BLK TO SPKR + ORG TO SPKR + (CP3877-1 CABLE) TB0334B Page 5 of 9 10/18/03 OPERATION Sound Hazard -Sound level from siren speaker (>120dBA @ 10 feet) may cause hearing damage. Do not operate siren without adequate hearing protection for you and anyone in immediate vicinity. (Ref. OSHA 1910.95 for occupational noise exposure guidelines) RADIORADIO HORNHORN MANMAN WAILWAIL YELPYELP PHASERPHASER SIRENSIREN PAPA VOLVOL SA 430SA 430 POWERPOWER ONON The Toggle Power Switch controls the siren power. The siren may be left on any time the vehicle is in operation. The power should be turned off when vehicle is not being used to conserve battery power. The Rotary Function Switch selects various operating modes. These modes are as follows: RADIO This mode reproduces, or repeats, the output of a radio. The radio must be connected and RADIO VOLUME ADJUSTed for this mode to function. PA override available in this mode. HORN Also considered a standby mode. Horn and PA Override available in this mode. MAN The siren tone is controlled Manually with SIREN button. PA Override available in this mode. WAIL The siren produces a normal rise-fall tone pattern. This mode should be used on highways or areas with constant traffic flow. Yelp and PA Override available in this mode. YELP The siren produces a moderate warble tone. This mode should be used in lightly congested areas. Horn and PA Override available in this mode. PHASER The siren produces a very fast warble tone. This mode should be used at intersections or in highly congested areas. Horn and PA Override available in this mode. OVERRIDE FUNCTIONS PUBLIC ADDRESS (PA) OVERRIDE -Pressing the microphone button in any operating mode allows the operator to use the siren as a public address amplifier. The operating mode resumes when the button is released. (Hold the microphone close to your lips for proper operation and adjust the PA VOLume Control) HORN OVERRIDE -By pressing the SIREN button the siren tone output is replaced by the horn tone. The siren tone resumes when the button is released. (This feature is not available in WAIL mode.) YELP OVERRIDE -Available only in WAIL mode. By momentarily pressing the SIREN button the tone output is switched to the Yelp tone. Pressing the button again switches the tone output back to Wail. RADIO VOLUME ADJUST The RADIO VOLUME ADJUST is a one time setting which depends on the radio connected and its normal volume. Access the RADIO VOLUME ADJUST through a hole on the side of the amplifier. Switch siren to RADIO mode and turn on the power. With the volume on the radio itself set to normal level, set the RADIO VOLUME ADJUST to the desired level. TB0334B Page 6 of 9 10/18/03 SERVICE This unit is designed to provide years of reliable service under even the worst conditions. Many times there may appear to be a problem with the unit when the true problem is in the speaker(s) or improper installation. The following chart shows typical symptoms and possible causes. A blown panel...
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