Assessments - 4, GPA: 4.3
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The adjacent diagram shows three connection examples. See the INSTALLERSELECTABLE OPTIONS section for programming details. NOTE: Permanent disconnection of the vehicle horn is NOT recommended. tone output when activated, and remains off until examples. for programming details. TB0352A Page 5 of 8 09/27/05 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) YELP WAIL STBY RADIO The OFF/ON Rocker 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: Yelp: The siren produces a moderate warble tone. This mode may be used in lightly congested areas. Wail: The siren produces a normal rise-fall tone pattern. This mode may be used on highways or areas with constant traffic flow. Standby: A silent mode that allows Manual, Horn and Public Address operation. Radio: This mode reproduces, or repeats, the output of a radio. The radio must be connected and RADIO VOLUME on the face adjusted. No siren tones or PA operation are available in this position. Manual / Phaser: With the mode switch in the Standby position this push-button switch provides Manual siren tone control, rising when pressed and falling when released. When the mode switch is in the Wail position, the push button overrides with Yelp tone. When the mode switch is in the Yelp position, MAN/PHSR HORN the push-button overrides with Phaser tone. This tone is a very fast warble tone used at intersections or in highly congested areas. Pressing the button once changes to the override tone and pressing again changes the tone back to Yelp or Wail. Optional operation includes replacement of the Phaser tone with Two-Tone or disabling the Phaser tone entirely Horn: This push-button switch provides a simulated air-horn tone while pressed. This can be used to supplement the normal vehicle horn and is useful at intersections or in low noise areas. This tone will override all other siren tones. PA: Pressing the microphone button in any mode except Radio changes the unit to PA (Public Address). The siren mode resumes when the button is released. Adjust the PA Volume and hold the microphone close to your lips for proper operation. Volume Controls VOLUME Volume controls are provided for radio repeat function volume and public address volume. These should be set when the vehicle 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 RAD PA maximum level with no feedback (squeal). 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 siren control 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 mode switch set to the Standby 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. TB0352A Page 6 of 8 09/27/05 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), controlled devices, or improper installation. The following chart shows typical symptoms and possible causes. A blown internal fuse doesn’t necessarily mean that the unit is bad. If a speaker or speaker lead is shorted this fuse will blow before the unit is damaged. Disconnect the SPKR leads and replace the fuse. If the unit itself emits a low level sound when in the Yelp position it is OK. Check the speaker(s) or leads for possible shorting. PROBLEMS Symptom Possible Cause Check No Power or siren output Power switch not turned on Bad Speaker Connector or connections loose Internal siren fuse blown Loose connection at power source Does backlighting come on? Do you hear a .pop. when turned on? With siren on, yelp selected, listen for tone in amplifier. Is an external fuse or circuit breaker used? Are the power leads connected to a good buss? No siren tone . PA works High Voltage Protection Mic button stuck Cuto...