Model PA300 Series ELECTRONIC SIREN
Contents
1. MICROPHONE GAIN CONTROL FACEPLATE LOGO GAIN CONTROL FACEPLATE TOGGLE SWITCH SELECTOR KNOB ROTARY SWITCH KNOB 290A4507 10 Figure 5 1 Internal View 12 255359A REV A 104 Printed in U S A2. 30 C to 65 C Operating Current Wail mode 10 amperes max 13 6VDC 690010 5 amperes max 25VDC 690009 11 ohm load high power Frequency Range typical neennnnennnnnen 725 to 1800Hz Cycle Rate typical ii Wail 15 cycles min Yelp 220 cycles min Hi Lo 70 cycles min Voltage Output approx iii 64V peak to peak 11 ohm load Dimensions HWD snenie aa 2 1 2 6 35cm x 6 1 2 16 51cm x 8 1 2 21 59cm Net Weight incl microphone 4 1 2 lbs 2 04kg Shipping Weight iii 6 1 2 lbs 2 94kg NOTE The following parameters were obtained with the radio input potentiometer and GAIN control set at maximum Audio Frequency Range ii 300 to 10 000Hz Harmonic Audio Distortion 300 3 000Hz 10 max all power levels from 1 2 to 50 watts frequency response 3dB Input Impedance Radio 2000 ohms Input voltage required to obtain 20VRMS across speaker load Radio i 0 30VRMS SECTION Ill INSTALLATION SAFETY MESSAGE TO INSTALLERS OF ELECTRONIC SIRENS A WARNING The lives of people depend on your proper installation and servicing of Federal products It is important to read and follow all instructions shipped with the products In addition listed below are some other important safet
3. In this position incoming radio messages are amplified by the siren and rebroadcast over the outside speaker B MANUAL In this position it is possible to operate the siren by activating the HORN SIREN switch The siren can also be activated by means of an auxiliary switch such as the horn ring button refer to para graph 4 6 C WAIL In this position the siren produces a continuous wailing sound up and down in fre quency D YELP In this position a continuous rapid warbled tone is generated E HI LO In this position a two tone sound will be heard This distinctive tone may be reserved for any special indication or situation 4 4 HORN SIREN SWITCH The HORN SIREN switch located on the left side of the front panel activates the electronic air horn sound up or peak and hold sound down in any siren mode except radio 4 5 TAP II FUNCTIONS Tap II allows the driver to change the siren sound via the vehicle s horn ring This feature is especially effective for clearing traffic The chart below demonstrates how the horn ring can be used to change the siren sound TAP II FUNCTIONS Selector First Horn Second Horn Switch Ring Tap Ring Tap Position Produces Produces Wail Yelp Wail Yelp Wail Yelp 4 6 PRESS AND HOLD FUNCTIONS Additional alternate sounds can be activated in two other Selector switch positions by depressing 10 and holding the horn ring for as long as the a
4. CAUTION The unit must be installed in an adequately ventilated area Never install near heater ducts A Use the mounting bracket as a template and scribe two drill positioning marks at the selected mounting location under the dash CAUTION Before drilling holes in ANY part of a vehicle be sure that both sides of the mounting surface are clear of parts that could be dam aged such as brake lines electrical wiring or other vital parts B Drill two 1 4 inch diameter holes at the position marks C Secure the mounting bracket to the dash with user supplied 1 4 20 x 3 4 hex head screws 1 4 split lockwashers and 1 4 20 hex nuts as shown in figure 3 1 D Secure the electronic siren to the mounting bracket with 1 4 20 x 1 2 hex head screws and 1 4 split lockwashers as shown in figure 3 1 CAUTION To avoid damage to the unit the 1 4 20 x 1 2 hex head cap screws and the 1 4 split lockwashers must be used as shown in figure 3 1 E Tilt the unit to the desired position Tighten the 1 4 20 x 1 2 hex head screws 3 3 POWER CABLE INSTALLATION CAUTION Wiring changes have been made which utilizes a new type of power cable If this unit is used to replace an older PA300 use the optional cable adaptor 761300 to connect the originally installed power cable to the new siren A Speaker The unit is designed to operate with one 11 ohm impedance speaker or two 11 ohm impedance low power 58W or high power 100W
5. aware that the use of your visual and au dible signaling devices does not give you the right to force your way through traffic Your emergency lights siren and actions are REQUESTING the right of way e Although your warning system is operating properly it may not alert everyone People may not hear see or heed your warning signal You must recognize this fact and continue driving cautiously e Situations may occur which obstruct your warning signal when natural or man made objects are between your vehicle and others This can also occur when you raise your hood or trunk lid If these situations occur be espe cially careful Driving Limitations e At the start of your shift you should ensure that the light sound system is securely attached to the vehicle and operating properly e If the unique combination of emergency vehicle equipment installed in your vehicle has resulted in the siren controls being installed in a position that does not allow you to operate them by touch only OPERATE CONTROLS ONLY WHILE YOUR VEHICLE IS STOPPED e Ifdriving conditions require your full atten tion you should avoid operating the siren controls while the vehicle is in motion Continuing Education e File these instructions in a safe place and refer to them periodically Give a copy of these instructions to new recruits and trainees Failure to follow these safety precautions may result in property damage serious injury or death t
6. capacity to activate the vehicle horn Refer to figure 3 4 while performing the following steps 5 Mount the relay in a suitable location 6 Connect the horn side of the wire cut in step 1 to the relay contact terminal 7 Determine the sense of the vehicle s horn ring activation circuit i e does the horn circuit require a switched positive voltage or switched ground for activation 8 Connect the relay wiper terminal to the positive or negative potential determined in step 7 9 Connect the white control cable wire to one end of the relay coil 10 Connect the other end of the relay coil to the opposite potential of that connected to the wiper in step 8 D Connection to Power Source CAUTION Damage to unit will occur if not properly fused Ensure that an in line fuse 20A and fuseholder are installed in the red power cable lead for the 690010 A chassis mounted fuseholder is mounted on the 690009 ensure that a 10 ampere fuse is installed The PA300 Series can operate only from a negative ground vehicle electrical system Therefore before making any electrical connections determine the polarity of the vehicle electrical system ground Power for the siren can be obtained from the vehicle s power distribution center or directly from the vehicle battery If power is going to be obtained directly from the vehicle battery drill a hole in the vehicle firewall for the power lead to enter the engine compar
7. service your equipment or assist you with technical problems that cannot be handled satisfactorily and promptly locally Communications and shipments should be addressed to Service Department Federal Signal Corporation 2645 Federal Signal Drive University Park IL 60466 1 800 433 9132 5 2 REPLACEMENT PARTS LIST Description Part Number Description Part Number Transistor Output BUT70W 125467 Harness Wiring 690009 1461388 Transformer Output 690010 1461358 Harness Wiring 690010 1461360 Transformer Output 690009 1461359 Kit Installation Accessory 690009 8537572 Fuse 20A 3AG 32V 690010 148A127 Kit Installation Accessory 690010 8537561 Fuse 10A 3AG 32V 690009 148A108 Bracket Mounting 8536B022 Switch Rotary 122376 Faceplate Logo PA300 81461864 Switch Toggle 122377 Faceplate PA300 81461865 Header 10 Pole Molex 140454 05 Adapter Cable 761300 Microphone 258B577 03 Microphone Clip 85361082 Microphone Strain Relief 231A148 Knob Gain Control 141A102 Knob Selector 141A111 Circuit Board Assy 690009 2005183 24 Circuit Board Assy 690010 2005183 14 Switch Gain Control 106128 OUTPUT TRANSISTOR E OUTPUT TRANSISTOR OUTPUT TRANSFORMER
8. sound output and warning effectiveness of the siren svstem Before mounting speakers behind the grille make sure the vehicle operators are trained and understand that this tvpe of installation is less effective for warning others Sound propagation and warning effectiveness will be severelv reduced if the speaker is not facing forward Carefully follow the installation instructions and always install the speaker with the projector facing forward DO NOT install the speaker s or route the speaker wires where they may interfere with the operation of air bag sensors Installation of two speakers requires wiring speakers in phase Never attempt to install aftermarket equipment which connects to the vehicle wiring without reviewing a vehicle wiring diagram available from the vehicle manufacturer Insure that your installation will not affect vehicle operation and safety functions or circuits Always check vehicle for proper operation after installation DO NOT install equipment or route wiring or cord in the deployment path of an air bag Locate the control head so the vehicle controls and microphone can be operated safely When drilling into a vehicle structure be sure that both sides of the surface are clear of anything that could be damaged After Installation After installation test the siren system and light system to ensure that it is operating properly Test all vehicle functions including horn operation vehi
9. speakers connected in parallel and inphase On FEDERAL speakers this can be accomplished by connecting the two speaker leads marked 1 to the SPEAKER COMMON control cable lead and the two speaker leads marked 2 to the SPEAKER HIGH POWER or SPEAKER LOW POWER control cable leads See figure 3 3 CAUTION Damage to the unit will occur if speaker wires are improperly connected NEVER CON NECT the brown SPEAKER HIGH POWER 100W wire and orange SPEAKER LOW POWER 58W wire together to the speaker s Using 18 gauge wire connect the speaker leads 58W speakers to SPEAKER LOW POWER and CAUTION SYSTEM MUST wares 20A IN LINE FUSE SUPPLIED DO NOT EXCEED rE ON RING CIRCUIT INSTALLATION INSTRUCTIONS H 290A4507 03 Figure 3 2 Rear View of PA300 1 BLU SPKR COM 1 BRN SPKR HI 1 ORG SPKR LO 1 WHT HORN 42 WHT YEL HORN RING ZIP CORD GAVE alelakje 22 BRN RIBBED RADIO 1 BRN NON RIBBED RADIO RED POWER 1 BLK GROUND q l ita FUSEHOLDER ON 690010 ONLY 290A4507 04C Figure 3 3 Control Cable Wiring Diagram 100W speakers to SPEAKER HIGH POWER as shown in the Control Ca
10. this WARNING will result in fire burns and blindness 1 Connect the in line fuseholder lead to the positive battery terminal 2 Connect the black wire to the negative terminal of the battery 3 4 AIR HORN PRESS AND HOLD MODIFICATION The unit comes from the factory set so that the peak and hold sound will be heard when the Selector switch is set to MANUAL and the vehicle horn ring is activated To change the sound to air horn merely move jumpers J8 and J9 from the PEAK position on the P C board to the AIR position see figure 3 5 3 5 RELATIVE PA LOUDNESS ADJUSTMENT After the electronic siren is completely installed in the vehicle set the Selector switch to MANUAL Depress the microphone push to talk switch speak in a normal voice and adjust the GAIN control for the desired sound level outside the vehicle Turn on the vehicle s two way radio and adjust the volume to a comfortable listening level inside the vehicle Then set the Selector switch to RADIO Stand outside of the vehicle and note the radio rebroadcast loudness If the sound volume is too loud or too soft using a small flat blade screwdriver adjust R39 from the back of the siren see figure 3 6 to the desired sound level After the adjustment is completed the loudness of the radio rebroadcast and public address may be varied with the front panel GAIN control 3 6 TESTING AFTER INSTALLATION A WARNING All effective sirens and hor
11. 39 3 2 MOUNTING BRACKET A WARNING When installing equipment inside air bag equipped vehicles the installer MUST ensure that the equipment is installed ONLY in areas recommended by the vehicle manufacturer Failure to observe this warning will reduce the effectiveness of the air bag damage the air bag or potentially dam age or dislodge the equipment causing serious injury or death to you or others The electronic siren comes equipped with a swinging bracket which enables it to be mounted in variety of positions Positioning the bracket above the unit allows mounting to the underside of the dash Positioning the bracket below the unit will permit mounting on any horizontal surface The unit should be mounted in a position that is both comfortable and convenient to the operator Keep visibility and accessibility of controls in mind MOUNTING UNDER DASH 1 4 SPLIT 1 4 20 HEX NUT LOCKWASHER CAUTION 1 4 20 x 3 4 HEX 1 4 20 x 1 2 HD CAP SCREW HEX HD CAP SCREW WITH MOUNTING LOCKWASHER BRACKET MUST BE USED a AS SHOWN LONGER SCREW WILL CAUSE CIRCUITRY DAMAGE 1 4 20 x 1 2 HEX HD CAP SCREW W 1 4 SPLIT LOCKWASHER 1 4 20 x 1 2 HEX HD CAP MICROPHONE SCREW CABLE 1 4 SPLIT LOCKWASHER NOTE ONLY ONE BRACKET IS SUPPLIED 290A4507 02 Figure 3 1 Installation of PA300 Under Dash To install the unit under the dash determine the mounting location and proceed as follows see figure 3 1
12. al cables are required 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 Tap II provides especially effective traffic clearing capability In addition to Tap II additional alternate sounds can be activated in two other selector switch positions by depressing and holding the horn ring for as long as the alternate sound is desired The charts in Section IV of this manual illustrate the operation of these features more fully Other special features of the Model PA300 Series include e High degree of reliability is achieved through the use of integrated circuits and silicon output transistors e Control panel is illuminated with LED s e Newly designed printed circuit board provides improved performance and durability under a wide range of environmental conditions PA300 Series Models e 690010 12V 200W HI LO with microphone e 690009 24V 200W HI LO with microphone SECTION Il Input Voltage a a N Ties 11VDC to 15VDC 690010 24VDC to 28VDC 690009 Polarity s dsl hail Negative ground only Standby Current MANUAL in 120ma typical 690010 120ma typical 690009 Operating Temperature Range
13. ble Wiring Diagram figure 3 3 B Radio To allow incoming radio messages to be rebroadcast over the outside speakers connect the two brown zip cord leads pins 1 and 2 across the two way radio s speaker C Horn Ring In order to utilize the Tap II and Press and Hold features of the siren the following procedure must be performed 1 Locate the wire that connects the vehicle horn ring switch to the horn or horn relay Cut this wire 2 See figure 3 4 Splice the white vellow control cable wire pin 4 to the horn ring side of the wire that was cut in step 1 Insulate the splice with user supplied wire nuts CAUTION The horn ring transfer circuit of the siren is capable of switching a maximum of 2 am peres Some vehicles do not have a horn relay and consequently will draw more than 2 amperes when the vehicle horn is activated Consult your vehicle service manual or a qualified mechanic to determine the current required to activate the horn If it is less than 2 amperes perform the procedure in step 3 If it is greater than 2 amperes perform steps 4 through 10 VEHICLE HORNS STEERING COLUMN ii WHT TO HORN OR HORN RELAY CONTROL CABLE ASSEMBLY s WHT YEL TO HORN SWITCH 290A4507 05 Figure 3 4 Horn Ring Connections 3 Splice the white control cable wire pin 5 to the horn side of the cut wire Insulate the splice with a user supplied wire nut 4 Obtain a SPST relay of sufficient contact current
14. cle safety functions and vehicle light systems to ensure proper operation Ensure that installation has not affected vehicle operation or changed any vehicle safety function or circuit After testing is complete provide a copy of these instructions to the instructional staff and all operating personnel File these instructions in a safe place and refer to them when maintaining and or reinstalling the product Failure to follow all safety precautions and instructions may result in property damage serious injury or death to you or others CAUTION Damage to unit will occur if not properly fused Ensure that an in line fuse 20A and fuseholder are installed in the red power cable lead for the 690010 A chassis mounted fuseholder is mounted on the 690009 ensure that a 10 ampere fuse is installed 3 1 UNPACKING After unpacking the Model PA300 Series examine it for damage that mav have occurred in transit If the equipment has been damaged file a claim immediatelv with the carrier stating the extent of damage Carefullv check all envelopes shipping labels and tags before removing or destroving them Before proceeding with installation ensure that the following parts have been included in the carton KIT CONTENTS LIST Qty Description Part No 1 Cable Assembly 690010 1461360 1 Cable Assembly 690009 1461388 2 Lockwasher 1 4 7074A015 2 Screw 1 4 20 x 1 2 7002A008 08 1 Mtg Bracket 85361059 1 Label Warning 16123
15. conservation guidance refer to federal state or local recommendations OSHA Standard 1910 95 offers guidance on Permissible Noise Exposure All effective sirens and horns produce loud sounds 120 dB that may cause permanent hearing loss Always minimize your exposure to siren sound and wear hearing protection Do not sound the siren indoors or in enclosed areas where you and others will be exposed to the sound DO NOT connect this system to the positive terminal of the battery until servicing is com plete and you have verified that there are no short circuits to ground In order for the electronic siren to function properly the ground connection must be made to the NEGATIVE battery terminal After repair test the electronic siren and speaker system to ensure that it is operating properly 11 e Federal Signal siren amplifiers and speakers are designed to work together as a system Combining a siren and speaker from different manufacturers may reduce the warning effec tiveness of the siren system and may damage the components You should verify or test your combination to make sure the system works together properly and meets both federal state and local standards or guidelines Failure to follow all safety precautions and instructions may result in property damage serious injury or death to you or others 5 1 GENERAL For warranty service contact your local Dis tributor The factory can and will
16. e of state and federal UNIFORM TRAFFIC CODES Sound Hazards Your hearing and the hearing of others in or close to your emergency vehicle could be dam aged by loud sounds This can occur from short exposures to very loud sounds or from longer exposures to moderately loud sounds For hearing conservation guidance refer to federal state or local recommendations OSHA Standard 1910 95 offers guidance on Permissible Noise Exposure All effective sirens and horns produce loud sounds 120 dB that may cause permanent hearing loss Always minimize your exposure to siren sound roll up your windows and wear hearing protection Do not sound the siren indoors or in enclosed areas where you and others will be exposed to the sound Only use the siren for emergency response situations Sound Limitations Before using the vehicle check to see if the siren speakers are concealed from view If the siren speaker is not in clear view on the front of the vehicle use extra caution when operating the vehicle A concealed siren speaker installa tion is less effective at warning others Maximum sound output will be severely re duced if any objects are in front of the speaker If your installation has obstructions in front of the speaker drive even more cautiously e Frequently inspect the speaker to ensure that it is clear of any obstruction such as mud or snow which will reduce maximum sound output Signaling Limitations e Be
17. fig SIGNAL CORPORATION Price 4 00 Emergency Products Model PA300 Series ELECTRONIC SIREN MODELS 690009 690010 INSTALLATION AND OPERATING INSTRUCTIONS 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 oftwo years on parts replacement and one year on labor from the date of delivery to the first user purchaser During this warranty period the obligation of Federal is limited to repairing or replacing as Federal may elect any part or parts of such product which after examination by Federal discloses to be defective in material and or workmanship Federal will provide warranty for any unit which is delivered transported prepaid to the Federal factory or designated authorized warranty service center for examination and such examination reveals a defect in material and or workmanship This warranty does not cover travel expenses the cost of specialized equipment for gaining access to the product or labor charges for removal and re installation of the product Lamps flash tubes or batteries are not covered under warranty This warranty does not extend to any unit which has been subjected to abuse misuse improper installation or which has been inadequately maintained nor to units which have problems relating to service or modification at any facility other than the Federal factor
18. ines During Installation e DO NOT get metal shavings inside the product Metal shavings in the product can cause the svstem to fail If drilling must be done near the unit place an ESD approved cover over the unit to prevent metal shavings from entering the unit Inspect the unit after mounting to be sure there are no shavings present in or near the unit DO NOT connect this system to the vehicle battery until ALL other electrical connections are made mounting of all components is complete and you have verified that no shorts exist If wiring is shorted to vehicle frame high current conductors can cause hazardous sparks resulting in electrical fires or flying molten metal e Be sure the siren amplifier and speaker s in vour installation have compatible wattage ratings e In order for the electronic siren to function properlv the ground connection must be made to the NEGATIVE batterv terminal Sound output will be severelv reduced if anv objects are in front of the speaker If maximum sound output is required for vour application vou should ensure that the front of the speaker is clear of anv obstructions Install the speaker s as far forward on the vehicle as possible in a location which provides maximum signaling effectiveness and minimizes the sound reaching the vehicle s occupants Refer to the National Institute of Justice guide 500 00 for further information Mounting the speakers behind the grille will reduce the
19. lternate sound is desired The chart below shows these additional Press and Hold functions PRESS AND HOLD FUNCTIONS Models 690009 and 690010 Selector Press on Release of Switch Horn Ring Horn Ring Position Produces Produces Hi Lo Air Horn Hi Lo Manual Peak and Coast down Hold or and silence Air Horn or silence SECTIONV SERVICE AND MAINTENANCE SAFETY MESSAGE TO PERSONNEL SERVICING FEDERAL SIGNAL ELECTRONIC SIRENS WARNING The lives of people depend on your proper servicing of Federal products It is important to read and follow all in structions shipped with the products In addition listed below are some other safety instructions and precautions you should follow Read and understand all instructions in this manual before servicing the electronic siren or speaker To properly service an electronic siren or speaker you must have a good understanding of automotive electrical procedures and systems along with proficiency in the installation and service of safety warning equipment Always refer to the vehicle s service manuals when performing service on a vehicle Electronic circuit and speaker repairs must be performed by a qualified and competent elec tronic technician Your hearing and the hearing of others in or close to your emergency vehicle could be dam aged by loud sounds This can occur from short exposures to very loud sounds or from longer exposures to moderately loud sounds For hearing
20. ns produce loud sounds 120 dB that may cause permanent hearing loss Always mini mize your exposure to siren sound and wear hearing protection Do not sound the siren indoors or in enclosed areas where you and others will be exposed to the sound After installation test the electronic siren including horn operation to ensure that it is operat ing properly After testing is complete provide a copy of this manual to all operating personnel Ic7 R21 C29 290A4507 06 290A4507 07 Air Horn Configuration Figure 3 5 Press and Hold Modification CAUTION SYSTEM MUST BB WITH 000 LINE FUSE DO NOT EXCEED 2A HAX ON RING CIRCUIT INSTALLATION MINISTRI i 290A4507 08 Figure 3 6 Relative PA Loudness Adjustment SECTION IV OPERATION SAFETY MESSAGE TO OPERATORS OF FEDERAL SIGNAL ELECTRONIC SIRENS AND LIGHT SOUND SYSTEMS WARNING The lives of people depend on your safe operation of Federal products It is important to read and follow all instruc tions shipped with the products In addition listed below are some other important safety instructions and pre cautions you should follow Qualifications To properly use an electronic siren and speaker s you must have a good understanding of general vehicle operation a high proficiency in the use of safety warning equipment and thorough knowledg
21. o you to passengers or to others 4 1 GENERAL All controls utilized during normal operation of the Model PA300 are located on the front panel see figure 4 1 The wired in noise cancelling microphone provides high quality voice reproduction in the public address mode The microphone push to talk switch will override all siren functions except radio rebroad cast for instant PA use 4 2 GAIN CONTROL The GAIN control is used to turn the siren on and off Also it is used to control the volume when the siren is used for public address or radio amplifi cation Clockwise rotation of the knob increases voice volume in the public address or radio amplification mode The GAIN control does not control the volume of the siren signals The maximum clockwise setting of the control will be determined in most cases by the point at which feedback or squeal occurs This will depend upon the microphone gain open windows speaker placement proximity of reflecting surfaces building or other vehicles etc Adjust the GAIN control to a position just below the point at which feedback occurs or as desired PA300 SERIES MANUAL WAIL RADIO YELP HELO NT 290A4507 09 f FEDERAL SIGNAL CORPORATION HORN Figure 4 1 Front View 4 3 SELECTOR SWITCH The Selector switch is a five position rotary switch used to select the mode of operation The following are positions on the Selector switch A RADIO
22. tment Place a grommet or similar device in the hole to protect the wire against damage from rough edges CAUTION Before drilling holes in ANY part of the vehicle ensure that both sides of the surface are clear of parts that could be damaged such as brake lines fuel lines electrical wiring or other vital parts If your vehicle has a negative ground electrical system perform the procedure as follows NOTE This unit is NOT designed to operate with positive ground 1 Route the red power and the black power control cable leads through the previously drilled hole into the engine compartment Route the wires through existing clamps and holders toward the battery 2 To protect the red wire when con nected to the battery terminal use an in line fuseholder and appropriate 10 ampere for 690009 and 20 ampere for 690010 user supplied fuse The fuseholder should be installed as close as practical to the battery If necessary additional 14 gauge or heavier wire can be spliced to the red lead WARNING If wires are shorted to the vehicle frame or each other high current conductors can cause hazardous sparks resulting in electrical fires and molten metal Verify that no short circuits exist before connecting to the Positive battery terminal DO NOT connect this system to the vehicle battery until ALL other electri cal connections are made and mounting of all components is complete Failure to observe
23. y instructions and precautions you should follow Before Installation Qualifications To properly install an electronic siren you must have a good understanding of automotive electrical procedures and systems along with proficiency in the installation and service of safety warning equipment Always refer to the vehicle s service manuals when performing equipment installations on a vehicle Sound Hazards Your hearing and the hearing of others in or close to your emergency vehicle could be damaged by loud sounds This can occur from short exposures to very loud sounds or from longer exposures to moderately loud sounds For hearing conservation guidance refer to federal state or local recommendations OSHA Standard 1910 95 offers guidance on Permissible Noise Exposure e All effective sirens and horns produce loud sounds 120 dB that may cause permanent hearing loss Always minimize your exposure to siren sound and wear hearing protection Do not sound the siren indoors or in enclosed areas where you and others will be exposed to the sound e Federal Signal siren amplifiers and speakers are designed to work together as a svstem Combining a siren and speaker from different manufacturers mav reduce the warning effectiveness of the siren system and may damage the components You should verify or test your combination to make sure the system works together properly and meets federal state and local standards or guidel
24. y or authorized warranty service centers THERE ARE NO OTHER WARRANTIES EXPRESSED OR IMPLIED INCLUDING BUT NOT LIMITED TO ANY IMPLIED WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE IN NO EVENT SHALL FEDERAL BE LIABLE FOR ANY LOSS OF PROFITS OR ANY INDIRECT OR CONSEQUENTIAL DAMAGES ARISING OUT OF ANY SUCH DEFECT IN MATERIAL OR WORKMANSHIP Og FEDERAL SIGNAL CORPORATION Emergency Products SECTIONI GENERAL DESCRIPTION 290A4507 01 Figure 1 1 Model PA300 Series Electronic Siren The Federal Models 690009 and 690010 PA300 Series figure 1 1 are precision built efficient and economical full featured electronic sirens of ad vanced design They provide wail yelp and hi lo siren tones as well as the Tap II feature public address PA radio rebroadcast and an air horn sound The siren should be installed in negative ground vehicles It is protected against failure modes includ ing reversed polarity by a fuse that is replaceable without tools No components protrude from the bottom of the siren to interfere with mounting arrangements A noise cancelling microphone is wired in to prevent loss or theft It provides high quality voice reproduction without feedback squeal The micro phone push to talk switch overrides any siren signal for instant PA use PA and radio volume are adjust able by means of a front panel GAIN control Radio inter connect wires are built in No addition
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