Federal Signal Corporation PA300 Series 690009 Manual


Price $4.00Price $4.00
 Model Model PA300*PA300*
ELECTRONIC SIRENELECTRONIC SIREN
INSTALLATION, INSTALLATION, SERVICE, SERVICE, AND OAND OPERATING PERATING INSTRUCTIONSINSTRUCTIONS


LIMITED WARRANTYLIMITED WARRANTY
The Signal Division, Federal Signal Corporation (Federal), warrants eachThe Signal Division, Federal Signal Corporation (Federal), warrants each
new product to be free from defects in material and workmanship, undernew product to be free from defects in material and workmanship, under
normal use and service, for a period of two years on parts replacement andnormal 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.one year on labor from the date of delivery to the first user-purchaser.
During During this this warranty warranty period, period, the the obligation obligation of of Federal Federal is is limited limited to to repairingrepairing
or replacing, as Federal may elect, any part or parts of such product whichor replacing, as Federal may elect, any part or parts of such product which
after examination by Federal discloses to be defective in material and/orafter examination by Federal discloses to be defective in material and/or
workmanship.workmanship.
Federal Federal will will provide provide warranty warranty for anfor any uy unit wnit which hich is dis delivered, elivered, transportedtransported
prepaid, to prepaid, to the Fedethe Federal factory oral factory or designar designated authorted authorized warrized warranty servianty servicece
center for examination and such examination reveals a defect in materialcenter for examination and such examination reveals a defect in material
and/or workmanship.and/or workmanship.
This warranty does not cover travel expenses, the cost of specializedThis warranty does not cover travel expenses, the cost of specialized
equipment fequipment for gaining acor gaining access to the cess to the product, oproduct, or labor charr labor charges for remges for removaloval
and re-installation of the product. Lamps, flash tubes, or batteries are notand re-installation of the product. Lamps, flash tubes, or batteries are not
covered under warranty.covered under warranty.
This warranty does not extend to aThis warranty does not extend to any unit which has been subjected to abuse,ny unit which has been subjected to abuse,
misuse, improper installatimisuse, improper installation or which on or which has been inadequately maintained,has been inadequately maintained,
nor to units which have problems relating to service or modification at anynor to units which have problems relating to service or modification at any
facility facility other other than than the the Federal Federal factory factory or or authorizeauthorized d warranty warranty serviceservice
centers.centers.
THERE ARE NO OTHER WARRANTIES, EXPRESSED OR IMPLIED,THERE ARE NO OTHER WARRANTIES, EXPRESSED OR IMPLIED,
INCLUDING BUT NOT LIMITED TO, ANY IMPLIED WARRANTIESINCLUDING BUT NOT LIMITED TO, ANY IMPLIED WARRANTIES
OF OF MERCHANTABILITY MERCHANTABILITY OR OR FITNESS FITNESS FOR FOR A A PARTICULARPARTICULAR
PURPOSE. IN NO PURPOSE. IN NO EVENT SHALL FEDERAL EVENT SHALL FEDERAL BE LIABLE BE LIABLE FOR ANYFOR ANY
LOSS LOSS OF OF PROFITS PROFITS OR OR ANY ANY INDIRECT INDIRECT OR OR CONSEQUENTIACONSEQUENTIALL
DAMAGES DAMAGES ARISING ARISING OUT OUT OF AOF ANY SNY SUCH DUCH DEFECT EFECT IN MIN MATERIAL ATERIAL OROR
WORKMANSHIP.WORKMANSHIP.


The Federal Model PA300 (figure 1-1) is aThe Federal Model PA300 (figure 1-1) is a
precision built, efficient and economical, full-fea-precision built, efficient and economical, full-fea-
tured electronic siren of advanced design. It providestured electronic siren of advanced design. It provides
wail, yelp and hi-lo siren tones, as wail, yelp and hi-lo siren tones, as well as the Tap IIwell as the Tap II
feature, public address (PA), radio rebroadcast andfeature, public address (PA), radio rebroadcast and
an air horn sound.an air horn sound.
The siren may be installed in The siren may be installed in positive or nega-positive or nega-
tive ground vehicles with 12-volt electrical systems.tive ground vehicles with 12-volt electrical systems.
It is protected against failure modes (including re-It is protected against failure modes (including re-
versed polarity) by versed polarity) by a fuse that is replaceable withouta fuse that is replaceable without
tools. No components protrude from the bottom of thetools. No components protrude from the bottom of the
siren to interfere with mounting arrangements.siren to interfere with mounting arrangements.
A noise-cancelling microphone is A noise-cancelling microphone is wired-in towired-in to
prevent loss or theft. It provides high quality voiceprevent loss or theft. It provides high quality voice
SECTION ISECTION I
GENERAL DESCRIPTIONGENERAL DESCRIPTION
 Figure Figure 1-1. Model 1-1. Model PA300* PA300* Electronic Electronic Siren.Siren.
reproduction without feedback “squeal”. The micro-reproduction without feedback “squeal”. The micro-
phone push-to-talk switch overrides any siren signalphone push-to-talk switch overrides any siren signal
for instant PA use. PA and radio volume are adjust-for instant PA use. PA and radio volume are adjust-
able by means of a front able by means of a front panel GAIN control. Radiopanel GAIN control. Radio
inter-connect wires are built-in. No additional cablesinter-connect wires are built-in. No additional cables
are required.are required.
The Model PA300's 100-watt output is designedThe Model PA300's 100-watt output is designed
to drive a single high power speaker.to drive a single high power speaker.
The Tap II feature allows the driver to changeThe Tap II feature allows the driver to change
the siren sound from wail to yelp the siren sound from wail to yelp (or vice-versa) via(or vice-versa) via
the vehicle's horn ring. Tap II provides especiallythe vehicle's horn ring. Tap II provides especially
effective traffic clearing capability. In addition to Tapeffective traffic clearing capability. In addition to Tap
II, additional alternate sounds can be activated inII, additional alternate sounds can be activated in
two other selector switch positions by depressing andtwo other selector switch positions by depressing and
holding the horn ring for as holding the horn ring for as long as the alternatelong as the alternate
sound is desired. The charts in Section IV of sound is desired. The charts in Section IV of thisthis
manual illustrate the operation of these featuresmanual illustrate the operation of these features
more fully.more fully.
Other special features of the Model PA300Other special features of the Model PA300
include:include:
•• High degHigh degree of reliabiree of reliability is achievelity is achievedd
through the use of integrated circuitsthrough the use of integrated circuits
and silicon output transistors.and silicon output transistors.
•• ContrControl panel is illuminaol panel is illuminated withted with
non-glare lighting.non-glare lighting.
•• Newly Newly designed pdesigned printed circuit rinted circuit boardboard
provides improved performance andprovides improved performance and
durability under a wide range ofdurability under a wide range of
environmental conditions.environmental conditions.
 -1--1-


SECTION IISECTION II
SPECIFICATIONSSPECIFICATIONS
IInnppuut t VVoollttaaggee .. .. .. .. .. .. .. .. .. .. .. .. .. 1111VVDDC C tto o 1166VVDDC C ((1166V V ooppeerraattiioon n lliimmiitteed d tto o 115 5 mmiinnuutteess))..
PPoollaarriittyy .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. NNeeggaattiivve e oor r ppoossiittiivve e ggrroouunndd..
SSttaannddbby y CCuurrrreenntt .. .. .. .. .. .. .. .. .. .. .. .. 112200mmaa. . mmaaxx. . ((nnoot t iinnccll. . ppaanneel l lliigghhtt))..
OOppeerraattiinng g TTeemmppeerraattuurre e RRaannggee .. .. .. .. .. .. .. --3300°°C (-22C (-22°°F) to +60F) to +60°°C (+149C (+149°°F).F).
OOppeerraattiinng g CCuurrrreennt t ((1144VVDDCC--WWaaiil l mmooddee)) .. .. .. .. 110 0 aammppeerreess, , mmaaxx..
FFrreeqquueennccy y RRaannggee .. .. .. .. .. .. .. .. .. .. .. .. 77225 5 tto o 11557755HHzz..
CCyycclle e RRaattee .. .. .. .. .. .. .. .. .. .. .. .. .. .. WWaaiill- - 112 2 ccyycclleess//mmiinn..
Yelp- 180 cycles/min.Yelp- 180 cycles/min.
Hi-Lo- 60 cycles/min.Hi-Lo- 60 cycles/min.
Voltage Output (apVoltage Output (approx.)prox.) .. .. .. .. .. .. .. .. .. 64V peak-to-peak.64V peak-to-peak.
DDiimmeennssiioonns s ((HHWWDD)) .. .. .. .. .. .. .. .. .. .. .. 22--11//22" " ((66..3355ccmm) ) x x 66--11//22" " ((1166..5511ccmm) ) x x 88--11//22" " ((2211..5599ccmm))..
NNeet t WWeeiigghht t ((iinnccll. . mmiiccrroopphhoonnee)).. .. .. .. .. .. .. .. 44--11//2 2 llbbss. . ((22..0044kkgg))..
SShhiippppiinng g WWeeiigghhtt .. .. .. .. .. .. .. .. .. .. .. .. 66--11//2 2 llbbss. . ((22..9944kkgg))..
NOTENOTE
The following parameters were obtained with theThe following parameters were obtained with the
radio input potentiometer and GAIN control setradio input potentiometer and GAIN control set
at maximum.at maximum.
Audio Frequency RAudio Frequency Rangeange .. .. .. .. .. .. .. .. .. .. 300 to 10,000Hz.300 to 10,000Hz.
HaHarmrmononic ic AuAudidio Do Disistotortrtioion (n (30300-0-3,3,00000H0Hz)z).. .. .. .. 1010% m% maxax. a. all ll popowewer lr levevelels fs frorom 1m 1/2 /2 to to 50 50 wawatttts (s (frfreqequeuencncyy
responseresponse ±±3dB).3dB).
IInnppuut t IImmppeeddaanncce e ((RRaaddiioo)) .. .. .. .. .. .. .. .. .. 2200000 0 oohhmmss..
Input voltage required to obtain 20VRMS acrossInput voltage required to obtain 20VRMS across
 ssppeeaakkeer r llooaad d ((RRaaddiioo)) .. .. .. .. .. .. .. .. .. .. 00..5555VVRRMMSS..
-2--2-


SECTION IIISECTION III
INSTALLATIONINSTALLATION
SAFETY MESSAGE TO INSTALLERSSAFETY MESSAGE TO INSTALLERS
OFOF
ELECTRONIC SIRENSELECTRONIC SIRENS
WARNINGWARNING
The lives of people depend on your proper installation andThe lives of people depend on your proper installation and
servicing of Federal products. It is important to read andservicing of Federal products. It is important to read and
follow all instructions shipped with the products. In addition,follow all instructions shipped with the products. In addition,
listed below are some listed below are some other important safety instructions andother important safety instructions and
precautions you should follow:precautions you should follow:
Before InstallationBefore Installation
QualificationsQualifications
•• To prTo propeoperly irly instnstall aall an elen electrctronionic sirc siren: yen: you muou must hast have ave a
good understanding of automotive electrical proceduresgood understanding of automotive electrical procedures
and systems, along with proficiency in the installationand systems, along with proficiency in the installation
and service of safety warning equipment. Always refer toand service of safety warning equipment. Always refer to
the vehicle's service manuals when performingthe vehicle's service manuals when performing
equipment installations on a vehicle.equipment installations on a vehicle.
Sound HazardsSound Hazards
•• YouYour her heariaring ang and tnd the hhe hearearing ing of oof othethers, rs, in oin or clr close ose toto
your emergency vehicle, could be damaged by loudyour emergency vehicle, could be damaged by loud
sounds. This can occur from short exposures to very loudsounds. This can occur from short exposures to very loud
sounds, or from longer sounds, or from longer exposures to moderately loudexposures to moderately loud
sounds. For hearing conservation guidance, refer tosounds. For hearing conservation guidance, refer to
federal, state, or local recommendations. OSHAfederal, state, or local recommendations. OSHA
Standard 1910.95 offers guidance on “Permissible NoiseStandard 1910.95 offers guidance on “Permissible Noise
Exposure.”Exposure.”
•• All eAll effeffectictive sve sireirens ans and hond horns prns prodroduce luce loud oud sousounds (nds (120120
dB) that may cause permanent hearing loss. AlwaysdB) that may cause permanent hearing loss. Always
minimize your exposure to siren sound and wear hearingminimize your exposure to siren sound and wear hearing
protection. Do not sound the siren indoors or in enclosedprotection. Do not sound the siren indoors or in enclosed
areas where you and others will be exposed to the sound.areas where you and others will be exposed to the sound.
•• FedFederaeral Sil Signagnal sil siren ren ampamplifilifiers ers and and spespeakeakers rs areare
designed to work together as a system. Combining adesigned to work together as a system. Combining a
siren and speaker from difsiren and speaker from different manufacturers mayferent manufacturers may
reduce the warning effectiveness of the siren system andreduce the warning effectiveness of the siren system and
may damage the components. You should verify or testmay damage the components. You should verify or test
your combination to make sure the system worksyour combination to make sure the system works
together properly and meets federal, state and together properly and meets federal, state and locallocal
standards or guidelines.standards or guidelines.
During InstallationDuring Installation
•• DO NODO NOT geT get met metal tal shashavinvings igs insinside tde the phe prodroductuct. Me. Metaltal
shavings in the product can cause the system to fail. Ifshavings in the product can cause the system to fail. If
drilling must be done near the unit, place an drilling must be done near the unit, place an ESDESD
approved cover over the unit to approved cover over the unit to prevent metal shavingsprevent metal shavings
from entering the unit. Inspect the unit after mountingfrom entering the unit. Inspect the unit after mounting
to be sure there are no shavings present in or near theto be sure there are no shavings present in or near the
unit.unit.
•• DO NODO NOT coT connennect tct this shis systystem tem to tho the vehe vehiclicle bae battettery ury untintill
ALL other electrical connections ALL other electrical connections are made, mounting ofare made, mounting of
all components is complete, and you have verified thatall components is complete, and you have verified that
no shorts exist. If wiring is shorted to vehicle frame,no shorts exist. If wiring is shorted to vehicle frame,
high current conductors can cause hazardous sparkshigh current conductors can cause hazardous sparks
resulting in electrical fires or flying molten metal.resulting in electrical fires or flying molten metal.
•• Be sBe sure ure the the sirsiren aen amplimplifiefier anr and sd speapeakerker(s) (s) in yin yourour
installation have compatible wattage ratings.installation have compatible wattage ratings.
•• In orIn order fder for thor the elee electrctronionic sirc siren to fen to funcunctiotion pron properperly, tly, thehe
ground connection must be made to the NEGATIVEground connection must be made to the NEGATIVE
battery terminal.battery terminal.
•• SouSound ound outputput wilt will be sl be seveeverelrely rey reducduced if aed if any ony objebjects cts areare
in front of the speaker. If maximum sound output isin front of the speaker. If maximum sound output is
required for your application, you should ensure that therequired for your application, you should ensure that the
front of the speaker is clear of any obstructions.front of the speaker is clear of any obstructions.
•• InsInstaltall thl the spe speakeaker(er(s) as s) as far far forforwarward on d on the the vehvehiclicle ase as
possible, in a location which provides maximumpossible, in a location which provides maximum
signaling effectiveness and minimizes the soundsignaling effectiveness and minimizes the sound
reaching the vehicle’s occupants. Refer to the reaching the vehicle’s occupants. Refer to the NationalNational
Institute of Justice guide 500-00 for further information.Institute of Justice guide 500-00 for further information.
•• MouMountinting tng the sphe speakeakers ers behbehind tind the ghe grillrille wile will redl reduce tuce thehe
sound output and warning effectiveness of the sirensound output and warning effectiveness of the siren
system. Before mounting speakers behind the grillsystem. Before mounting speakers behind the grill e,e,
make sure the vehicle operators are trained make sure the vehicle operators are trained andand
understand that this type of installation is less effectiveunderstand that this type of installation is less effective
for warning others.for warning others.
•• SouSound pnd propropagaagatiotion ann and wad warnirning eng effeffectictivenveness ess will will bebe
severely reduced if the speaker is not facing forward.severely reduced if the speaker is not facing forward.
Carefully follow the installation instructions and alwaysCarefully follow the installation instructions and always
install the speaker with the projector facing forward.install the speaker with the projector facing forward.
•• DO NDO NOT iOT instnstall all the the spespeakeaker(s r(s ) or ) or rouroute tte the she speapeakerker
wires where they may interfere with the operation of airwires where they may interfere with the operation of air
bag sensors.bag sensors.
•• InsInstaltallatlation oion of two f two spespeakeakers rrs requequireires wirs wiring sing speapeakerkers ins in
phase.phase.
•• NevNever ater attemtempt tpt to inso instaltall aftl aftermermarkarket eet equiquipmepment, wnt, whichichh
connects to the vehicle wiring, without reviewing aconnects to the vehicle wiring, without reviewing a
vehicle wiring diagram - available from the vehiclevehicle wiring diagram - available from the vehicle
manufacturer. Insure that your installation will notmanufacturer. Insure that your installation will not
affect vehicle operation and safety faffect vehicle operation and safety functions or circuits.unctions or circuits.
Always check vehicle for proper operAlways check vehicle for proper operation afteration after
installation.installation.
•• DO NDO NOT inOT instastall ell equiquipmepment ont or ror route ute wirwiring oing or cor cord ird in thn thee
deployment path of an air bag.deployment path of an air bag.
•• LocLocate ate the the concontrotrol hel head sad so tho the vee vehichicle, cle, contontrolrols, as, andnd
microphone can be operated safely.microphone can be operated safely.
•• WheWhen drn drilliilling inng into a vto a vehiehicle scle strutructucture, bre, be sure sure thae that bott bothh
sides of the surface are clear of anything that could besides of the surface are clear of anything that could be
damaged.damaged.
After InstallationAfter Installation
•• AftAfter iner instastallatllationion, tes, test the st the sireiren sysn system atem and lignd light syht systestemm
to ensure that it is to ensure that it is operating properly.operating properly.
•• TesTest alt all vel vehichicle fule functnctionions, ins, inclucludinding hog horn orn operperatiation,on,
vehicle safety functions and vehicle light systevehicle safety functions and vehicle light systems, toms, to
ensure proper operation. Ensure that installation hasensure proper operation. Ensure that installation has
not affected vehicle operation or changed any not affected vehicle operation or changed any vehiclevehicle
safety function or circuit.safety function or circuit.
•• AftAfter er testestinting is g is comcompleplete, te, proprovidvide a e a copcopy oy of thf theseese
instructions to the instructional staff and instructions to the instructional staff and all operatingall operating
personnel.personnel.
•• File File thethese inse instrstructuctionions in a ss in a safe pafe placlace and e and refrefer ter to theo themm
when maintaining and/or reinstalling the when maintaining and/or reinstalling the product.product.
Failure to follow all safety precautions and instructions mayFailure to follow all safety precautions and instructions may
result in property damage, serious injury, or death to you or others.result in property damage, serious injury, or death to you or others.
-3--3-


3-3-1.1. UUNNPAPACCKKININGG..
After unpacking the After unpacking the Model PA300, examine Model PA300, examine itit
for damage that may have occurred in transit. If thefor damage that may have occurred in transit. If the
equipment has been damaged, file a claim immedi-equipment has been damaged, file a claim immedi-
ately with the carrier stating the extent of damage.ately with the carrier stating the extent of damage.
Carefully check all envelopes shipping labels andCarefully check all envelopes shipping labels and
tags before removing or destroying them.tags before removing or destroying them.
3-3-2.2. MOMOUNUNTITING NG BRBRACACKEKET.T.
WARNINGWARNING
When installing equipment inside air bagWhen installing equipment inside air bag
equipped vehicles, the installer MUSTequipped vehicles, the installer MUST
ensure that the equipment is installedensure that the equipment is installed
ONLY in areas recommended by the vehicleONLY in areas recommended by the vehicle
manufacturer.manufacturer.
Failure to observe this warning will reduceFailure to observe this warning will reduce
the effectiveness of the air bag, damage thethe effectiveness of the air bag, damage the
air bag, or potentially damage or dislodgeair bag, or potentially damage or dislodge
the equipment, causing serious injury orthe equipment, causing serious injury or
death to you or others.death to you or others.
The PA300 comes equipped with a swingingThe PA300 comes equipped with a swinging
bracket which enables it to be bracket which enables it to be mounted in variety ofmounted in variety of
positions. Positioning the bracket above the unitpositions. Positioning the bracket above the unit
allows mounting to the underside of the dash. allows mounting to the underside of the dash. Posi-Posi-
tioning the bracket below the unit will tioning the bracket below the unit will permit mount-permit mount-
ing on any horizontal surface.ing on any horizontal surface.
The unit should be mounted in The unit should be mounted in a position thata position that
is both comfortable and convenient to the operator.is both comfortable and convenient to the operator.
Keep visibility and accessibility of controls in Keep visibility and accessibility of controls in mind.mind.
To install the unit under the To install the unit under the dash, determine thedash, determine the
mounting location and proceed as follows (see figuremounting location and proceed as follows (see figure
3-1).3-1).
CAUTIONCAUTION
The unit must be installed in an adequatelyThe unit must be installed in an adequately
ventilated area. Neveventilated area. Never install near heaterr install near heater
ducts.ducts.
A.A. Use one of the mountUse one of the mounting brackets as aing brackets as a
template and scribe two drill positioning marks attemplate and scribe two drill positioning marks at
the selected mounting location under the dash.the selected mounting location under the dash.
CAUTIONCAUTION
Before drilling holes in ANY part of aBefore drilling holes in ANY part of a
vehicle, be sure that both sidvehicle, be sure that both sides of thees of the
mounting surface are clear of partsmounting surface are clear of parts
that could be damaged; such as brakethat could be damaged; such as brake
lines, electrical wiring or other vitallines, electrical wiring or other vital
parts.parts.
B.B. Drill twDrill two 1/4-ino 1/4-inch diametch diameter holes at theer holes at the
position marks.position marks.
-4--4-
Figure 3-1. installation of PA300 Under Dash.Figure 3-1. installation of PA300 Under Dash.
C.C. SecurSecure the mounting brae the mounting bracket to the dashcket to the dash
with (2 each) 1/4-20 x 3/4 hex head with (2 each) 1/4-20 x 3/4 hex head screws, 1/4 splitscrews, 1/4 split
lockwashers and 1/4-20 hex nuts as shown lockwashers and 1/4-20 hex nuts as shown in figurein figure
3-1.3-1.
D.D. Secure the PSecure the PA300 unit to A300 unit to the mountingthe mounting
bracket with black 1/4-20 x 7/16 hex head sbracket with black 1/4-20 x 7/16 hex head screws andcrews and
1/4 split lockwashers.1/4 split lockwashers.
E.E. Tilt the unit Tilt the unit to the desired to the desired position. Tightenposition. Tighten
the black 1/4-20 x 7/16 hex head the black 1/4-20 x 7/16 hex head screws.screws.
3-33-3.. POPOWER WER CACABLBLE IE INSTNSTALALLALATIOTION.N.
The power cable included in the carton isThe power cable included in the carton is
equipped with a twelve-prong plug (P5) that equipped with a twelve-prong plug (P5) that matesmates
with the connector (J5) on the rear of with the connector (J5) on the rear of the electronicthe electronic
siren (see figure 3-2). The various wires on siren (see figure 3-2). The various wires on thethe
connector must be connected as follows:connector must be connected as follows:
WARNINGWARNING
Failure to observe this Failure to observe this WARNING mayWARNING may
result in fire, burns or blindness.result in fire, burns or blindness.
If shorted to vehicle frame, high currentIf shorted to vehicle frame, high current
conductors can cause hazardous sparksconductors can cause hazardous sparks
resulting in electrical fires or moltenresulting in electrical fires or molten
metal.metal.
DO NOT connect this system to vehicleDO NOT connect this system to vehicle
battery until ALL other electrical connec-battery until ALL other electrical connec-
tions are made and mounting of alltions are made and mounting of all
components is complete.components is complete.
Verify that no short Verify that no short circuits exist, beforecircuits exist, before
connecting to the Positive (+) batteryconnecting to the Positive (+) battery
terminal.terminal.


 CAUTION CAUTION
The horn ring transfer circuit of the sirenThe horn ring transfer circuit of the siren
is capable of switching a maximum of 2-is capable of switching a maximum of 2-
amperes. Some vehicles do not have a hornamperes. Some vehicles do not have a horn
relay and, consequently, will draw morerelay and, consequently, will draw more
than 2-amperes when the vehicle horn isthan 2-amperes when the vehicle horn is
activated. Consult your vehicle serviceactivated. Consult your vehicle service
manual or a qualified mechanic to manual or a qualified mechanic to deter-deter-
mine the current required to activate themine the current required to activate the
horn. If it ishorn. If it is lessless than 2-amthan 2-amperes, peres, performperform
the procedure in step 3. If it isthe procedure in step 3. If it isgreatergreater thanthan
2-amperes, perform steps 4 through 10.2-amperes, perform steps 4 through 10.
3.3. SplicSplice the white the white contre control cable wol cable wire (P5ire (P5,,
pin 10) to the horn side pin 10) to the horn side of the cut wire. Insulate theof the cut wire. Insulate the
splice with a wire nut.splice with a wire nut.
4.4. Obtain a SObtain a SPST rePST relay of suflay of sufficieficient contant contactct
current capacity to activate the vehicle horn. Refer tocurrent capacity to activate the vehicle horn. Refer to
figure 3-4 while performing the following steps.figure 3-4 while performing the following steps.
5.5. Mount tMount the relahe relay in a suiy in a suitable lotable locatiocation.n.
6.6. ConneConnect the hct the horn sidorn side of the e of the wire cuwire cut int in
step 1 to the relay contact terminal.step 1 to the relay contact terminal.
7.7. DeterDetermine thmine the “sense “sense” of te” of the vehihe vehicle’scle’s
horn ring activation circuit, i.e., does the horn circuithorn ring activation circuit, i.e., does the horn circuit
require a switched positive voltage or switchedrequire a switched positive voltage or switched
ground for activation.ground for activation.
8.8. ConneConnect the rct the relay welay wiper teiper terminarminal to thel to the
positive or negative potential determined in step 7.positive or negative potential determined in step 7.
9.9. ConneConnect the wct the white cohite control cntrol cable wiable wire tore to
one end of the relay coil.one end of the relay coil.
10. Connect the other end of the relay coil 10. Connect the other end of the relay coil toto
the opposite potential of that connected to the wiperthe opposite potential of that connected to the wiper
in step 8.in step 8.
D.D. Connection to Power SourceConnection to Power Source..
The PA300 can operate from any 12-voltThe PA300 can operate from any 12-volt
positive or negative ground vehicle electrical system.positive or negative ground vehicle electrical system.
Figure 3-4. Horn Ring Connections.Figure 3-4. Horn Ring Connections.
-5--5-
 Figure Figure 3-2. 3-2. Rear Rear View View of of PA300.PA300.
A.A.SpeakerSpeaker..
CAUTIONCAUTION
Connecting a low power speaker (58W), orConnecting a low power speaker (58W), or
two speakers, to the unit will damage thetwo speakers, to the unit will damage the
siren or speaker(s). Always use one 11-ohm,siren or speaker(s). Always use one 11-ohm,
high power (100W) speaker.high power (100W) speaker.
The unit is designed to operate with one The unit is designed to operate with one 11-11-
ohm, high power (100W) speaker.ohm, high power (100W) speaker.
Connect the speaker leads (18 gauge wire)Connect the speaker leads (18 gauge wire)
as shown in Control Cable Wiring Diagram, figureas shown in Control Cable Wiring Diagram, figure
3-3.3-3.
B.B.RadioRadio..
To allow incoming radio messages to beTo allow incoming radio messages to be
rebroadcast over the outside speakers, connect therebroadcast over the outside speakers, connect the
two brown zip cord leads (P5, pins 9 and 12) two brown zip cord leads (P5, pins 9 and 12) acrossacross
the two-way radio’s speaker.the two-way radio’s speaker.
C.C.Horn RingHorn Ring..
In order to utilize the Tap II In order to utilize the Tap II and Press-and-and Press-and-
Hold features of the siren, the following procedureHold features of the siren, the following procedure
must be performed.must be performed.
1.1. LocaLocate the wirte the wire that coe that connects tnnects the vehiche vehiclele
horn ring switch to the horn horn ring switch to the horn or horn relay. Cut thisor horn relay. Cut this
wire.wire.
2.2. See figSee figure 3-4ure 3-4. Splic. Splice the white the white/yee/yellowllow
control cable wire (P5, pin 7) to the control cable wire (P5, pin 7) to the horn ring side ofhorn ring side of
the wire that was cut in the wire that was cut in step 1. Insulate the splicestep 1. Insulate the splice
with the wire nuts (supplied).with the wire nuts (supplied).
Figure 3-3. Control Cable Wiring Diagram.Figure 3-3. Control Cable Wiring Diagram.


Therefore, before making any electrical connections,Therefore, before making any electrical connections,
determine the polarity of the vehicle electrical systemdetermine the polarity of the vehicle electrical system
ground.ground.
Power for the siren can be obtained from thePower for the siren can be obtained from the
vehicle’s power distribution cevehicle’s power distribution center or directly fromnter or directly from
the vehicle battery. If power is going to be the vehicle battery. If power is going to be obtainedobtained
directly from the vehicle battery, drill a hole in directly from the vehicle battery, drill a hole in thethe
vehicle firewall for the pvehicle firewall for the power lead to enter the ower lead to enter the engineengine
compartment. Place a grommet or similar device incompartment. Place a grommet or similar device in
the hole to pro-tect the wire against damage fromthe hole to pro-tect the wire against damage from
rough edges.rough edges.
CAUTIONCAUTION
Before drilling holes in ANY part of theBefore drilling holes in ANY part of the
vehicle, ensure that both sides vehicle, ensure that both sides of the surfaceof the surface
are clear of parts that could be are clear of parts that could be damaged;damaged;
such as brake lines, fuel lines, electricalsuch as brake lines, fuel lines, electrical
wiring or other vital parts.wiring or other vital parts.
If your vehicle has a negative If your vehicle has a negative ground electri-ground electri-
cal system, perform the procedure in paragraph 1.cal system, perform the procedure in paragraph 1.
Perform the procedure in paragraph 2, if the vehiclePerform the procedure in paragraph 2, if the vehicle
has a positive ground system.has a positive ground system.
11.. NNeeggaattivive e GGrroouunndd..
a.a. CoConnnnecect tt the he grgreeeen (n (P5P5, p, pin in 5)5)
control cable lead to the vehicle chassis as close ascontrol cable lead to the vehicle chassis as close as
practical to the siren. Scrape paint away from thepractical to the siren. Scrape paint away from the
selected bolt hole to ensure a selected bolt hole to ensure a good electrical connec-good electrical connec-
tion to the chassis.tion to the chassis.
b.b. RoRoutute te the he rered (d (P5P5, p, pin in 6) 6) anand td thehe
black (P5, pin 4) control cable leads, through theblack (P5, pin 4) control cable leads, through the
previously drilled hole, into the engine compartment.previously drilled hole, into the engine compartment.
Route the wires through existing clamps and holdersRoute the wires through existing clamps and holders
toward the battery.toward the battery.
c.c. TTo po prorottecect tt the he rered wd wirire we whehenn
connected to the battery terminal, use an in-lineconnected to the battery terminal, use an in-line
fuseholder and 20-ampere fuse (not fuseholder and 20-ampere fuse (not supplied). Thesupplied). The
fuseholder should be installed as close fuseholder should be installed as close as practical toas practical to
the battery. If necessary, additional #14 gauge orthe battery. If necessary, additional #14 gauge or
heavier wire can be spliced to the heavier wire can be spliced to the red lead.red lead.
WARNINGWARNING
If wires are shorted to the vehicle If wires are shorted to the vehicle frame orframe or
each other, high current conductors can causeeach other, high current conductors can cause
hazardous sparks resulting in electrical fireshazardous sparks resulting in electrical fires
and molten metal.and molten metal.
Verify that no short circVerify that no short circuits exist beforeuits exist before
connecting to the Positive (+) battery termi-connecting to the Positive (+) battery termi-
nal.nal.
DO NOT connect this system to the vehicleDO NOT connect this system to the vehicle
battery until ALL other electrical connectionsbattery until ALL other electrical connections
are made and mounting of all components isare made and mounting of all components is
complete.complete.
Failure to observe this WARNING will resultFailure to observe this WARNING will result
in fire, burns and blindness.in fire, burns and blindness.
d.d. CoConnnnecect tt the ihe in-n-liline fne fususehehololdederr
lead to the positive (+) battery terminal.lead to the positive (+) battery terminal.
e.e. CoConnnnecect tt the he blblacack wk wirire e to to ththee
negative terminal of the battery.negative terminal of the battery.
22.. PPoossiittiivve e GGrroouunndd..
a.a. CoConnnnecect tt the he grgreeeen (n (P5P5, p, pin in 5)5)
control cable lead to the vehicle chassis as close ascontrol cable lead to the vehicle chassis as close as
practical to the siren. Scrape paint away from thepractical to the siren. Scrape paint away from the
selected bolt hole to ensure a selected bolt hole to ensure a good electrical connec-good electrical connec-
tion to the chassis.tion to the chassis.
b.b. RoRoutute te the he blblacack (k (P5P5, p, pin in 4) 4) anandd
the red (P5, pin 6) control cable leads, through thethe red (P5, pin 6) control cable leads, through the
previously drilled hole, into the engine compartment.previously drilled hole, into the engine compartment.
Route the wire through existing clamps and holdersRoute the wire through existing clamps and holders
toward the battery.toward the battery.
c.c. To To prprototecect tt the he blblacack wk wirire we whehenn
connected to the battery terminal, use an in-lineconnected to the battery terminal, use an in-line
fuseholder and 20-ampere fuse (not fuseholder and 20-ampere fuse (not supplied). Thesupplied). The
fuseholder should be installed as close fuseholder should be installed as close as practical toas practical to
the battery. If necessary, additional #14 gauge orthe battery. If necessary, additional #14 gauge or
heavier wire can be spliced to the heavier wire can be spliced to the black lead.black lead.
-6--6-


-7--7-
WARNINGWARNING
If wires are shorted to the vehicle If wires are shorted to the vehicle frame orframe or
each other, high current conductors can causeeach other, high current conductors can cause
hazardous sparks resulting in electrical fireshazardous sparks resulting in electrical fires
and molten metal.and molten metal.
Verify that no short circuitVerify that no short circuits exist befores exist before
connecting to the Positive (+) battery termi-connecting to the Positive (+) battery termi-
nal.nal.
DO NOT connect this system to the vehicleDO NOT connect this system to the vehicle
battery until ALL other electrical connectionsbattery until ALL other electrical connections
are made and mounting of all are made and mounting of all components iscomponents is
complete.complete.
Failure to observe this WARNING will resultFailure to observe this WARNING will result
in fire, burns and blindness.in fire, burns and blindness.
d.d. CoConnnnecect tht the ine in-l-linine fue fusesehoholdlderer
lead to the negative (hot) battery terminal.lead to the negative (hot) battery terminal.
e.e. CCononnenect ct tthe he rered wd wirire te to to thehe
positive terminal of the battery.positive terminal of the battery.
3-43-4.. AIR AIR HORHORN N PRPRESSESS-A-AND-ND-HOLHOLDD
 MODIFICATION. MODIFICATION.
The unit comes from the factory set so The unit comes from the factory set so that thethat the
peak-and-hold sound will be heard when the Selectorpeak-and-hold sound will be heard when the Selector
switch is set to MANUAL and the vehicle horn ring switch is set to MANUAL and the vehicle horn ring isis
activated. To change the sound to air horn, merelyactivated. To change the sound to air horn, merely
move jumpers JU1 and JU2 from the “PEAK” posi-move jumpers JU1 and JU2 from the “PEAK” posi-
tion on the P.C. board to the “AIR” position (seetion on the P.C. board to the “AIR” position (see
figure 3-5).figure 3-5).
3-53-5.. RERELATLATIVIVE PA LOUE PA LOUDNEDNESS ADSS ADJUSJUSTMETMENTNT..
After the PA300 After the PA300 is completely installed in theis completely installed in the
vehicle, set the Selector vehicle, set the Selector switch to MANUAswitch to MANUAL. DepressL. Depress
Figure 3-6. Relative PA Loudness Adjustment.Figure 3-6. Relative PA Loudness Adjustment.
the microphone push-to-talk switch, speak in athe microphone push-to-talk switch, speak in a
normal voice, and adjust the GAIN control for thenormal voice, and adjust the GAIN control for the
desired sound level outside the vehicle. Turn-on thedesired sound level outside the vehicle. Turn-on the
vehicle’s two-way radvehicle’s two-way radio and adjust the volume tio and adjust the volume to ao a
comfortable listening level inside the vehicle. Thencomfortable listening level inside the vehicle. Then
set the Selector switch to RADIO. Stand outside ofset the Selector switch to RADIO. Stand outside of
the vehicle and note the radio rebroadcast loudness.the vehicle and note the radio rebroadcast loudness.
If the sound volume is too If the sound volume is too loud or too soft, adjust R11loud or too soft, adjust R11
through the hole at the bottom of the through the hole at the bottom of the siren (see figuresiren (see figure
3-6) to the desired sound level.3-6) to the desired sound level.
After the adjustmAfter the adjustment is completed, the loudent is completed, the loudnessness
of the radio rebroadcast and public address may beof the radio rebroadcast and public address may be
varied with the front varied with the front panel GAIN control.panel GAIN control.
3-63-6.. TETESTSTING AING AFTFTER IER INSTNSTALALLALATIOTION.N.
WARNINGWARNING
All effective sirens and horns All effective sirens and horns produce loudproduce loud
sounds (120 dB) that may cause permanentsounds (120 dB) that may cause permanent
hearing loss. Always minimize your exposurehearing loss. Always minimize your exposure
to siren sound and wear hearing protection.to siren sound and wear hearing protection.
Do not sound the siren indoors or in enclosedDo not sound the siren indoors or in enclosed
areas where you and others will areas where you and others will be exposed tobe exposed to
the sound.the sound.
After installation; test the After installation; test the electronic siren,electronic siren,
including horn operation, to ensure that it is including horn operation, to ensure that it is operat-operat-
ing properly.ing properly.
After testing is compAfter testing is complete, provide a coplete, provide a copy of thisy of this
manual to all operating personnel.manual to all operating personnel.
Figure 3-5. Press and Hold Modification.Figure 3-5. Press and Hold Modification.


SECTION IVSECTION IV
OPERATIONOPERATION
SAFETY MESSAGE TO OPERATORS OFSAFETY MESSAGE TO OPERATORS OF
FEDERAL SIGNAL ELECTRONIC SIRENSFEDERAL SIGNAL ELECTRONIC SIRENS
AND LIGHT/SOUND SYSTEMSAND LIGHT/SOUND SYSTEMS
WARNINGWARNING
The lives of people depend on your safe opera-The lives of people depend on your safe opera-
tion of Federal products. It is important totion of Federal products. It is important to
read and follow all instructions shipped withread and follow all instructions shipped with
the products. In addition, listed below arethe products. In addition, listed below are
some other important safety instructions andsome other important safety instructions and
precautions you should follow:precautions you should follow:
QualificationsQualifications
•• To To prpropopererly ly ususe ae an en elelectctroroninic sc siriren en anandd
speaker(s): you must have a good understandingspeaker(s): you must have a good understanding
of general vehicle operation, a high proficiencyof general vehicle operation, a high proficiency
in the use of safety warning equipment, andin the use of safety warning equipment, and
thorough knowledge of state and federalthorough knowledge of state and federal
UNIFORM TRAFFIC CODES.UNIFORM TRAFFIC CODES.
Sound HazardsSound Hazards
•• YoYour hur heaeariring ang and nd ththe he heaeariring ng of of otothehersrs, i, in orn or
close to your emergency vehicle, could be dam-close to your emergency vehicle, could be dam-
aged by loud sounds. This can occur from shortaged by loud sounds. This can occur from short
exposures to very loud sounds, or from longerexposures to very loud sounds, or from longer
exposures to moderately loud sounds. Forexposures to moderately loud sounds. For
hearing conservation guidance, refer to federal,hearing conservation guidance, refer to federal,
state, or local recommendations.state, or local recommendations.
OSHA Standard 1910.95 offers guidance onOSHA Standard 1910.95 offers guidance on
“Permissible Noise Exposure.”“Permissible Noise Exposure.”
•• AlAll efl effefectctivive se sirirenens ans and hd hororns pns proroduduce ce loloudud
sounds (120 dB) that may cause permanentsounds (120 dB) that may cause permanent
hearing loss. hearing loss. Always minimize yAlways minimize your exposure toour exposure to
siren sound, roll up your windows and wearsiren sound, roll up your windows and wear
hearing protection. hearing protection. Do not sound Do not sound the sirenthe siren
indoors or in enclosed areas where you indoors or in enclosed areas where you andand
others will be others will be exposed to exposed to the sound. the sound. Only useOnly use
the siren for emergency response situations.the siren for emergency response situations.
Sound LimitationsSound Limitations
•• BeBefofore re ususing ing ththe ve vehehiciclele, c, cheheck ck to to sesee ie if tf thehe
siren speakers are concealed from view. If thesiren speakers are concealed from view. If the
siren speaker is not in clear view on the front ofsiren speaker is not in clear view on the front of
the vehicle, use extra caution when operatingthe vehicle, use extra caution when operating
the vehicle. A concealed siren speaker installa-the vehicle. A concealed siren speaker installa-
tion is less effective at warning others.tion is less effective at warning others.
•• MaMaxiximumum sm souound nd ououtptput ut wiwill ll be be sesevevererely ly rere--
duced if any objects are in front of duced if any objects are in front of the speaker.the speaker.
If your installation has obstructions in frontIf your installation has obstructions in front
of the speaker, drive even more cautiously.of the speaker, drive even more cautiously.
•• FrFreqequeuentntly ily insnspepect tct the she spepeakaker ter to eno ensusure tre thahatt
it is clear of any obstruction, such as mud orit is clear of any obstruction, such as mud or
snow, which will reduce maximum soundsnow, which will reduce maximum sound
output.output.
Signaling LimitationsSignaling Limitations
•• Be Be awawarare te thahat tt the he ususe oe of yf youour vr visisuaual al and nd auau--
dible signaling devices does not give you dible signaling devices does not give you thethe
right to force your way through traffic. Yourright to force your way through traffic. Your
emergency lights, siren, and actions areemergency lights, siren, and actions are
REQUESTINREQUESTING the G the right-of-way.right-of-way.
•• AlAlththouough gh yoyour ur wawarnrnining sg sysystetem im is os opeperaratitingng
properly, it may not alert everyone. Peopleproperly, it may not alert everyone. People
may not hear, see, or heed your may not hear, see, or heed your warning signal.warning signal.
You must recognize this fact You must recognize this fact and continueand continue
driving cautiously.driving cautiously.
•• SiSitutuatatioions ns mamay oy occccur ur whwhicich oh obsbstrtrucuct yt youourr
warning signal when natural or man-madewarning signal when natural or man-made
objects are between your vehicle and others.objects are between your vehicle and others.
This can also occur when you raise your hoodThis can also occur when you raise your hood
or trunk lid. If these situations or trunk lid. If these situations occur, be espe-occur, be espe-
cially careful.cially careful.
Driving LimitationsDriving Limitations
•• At At ththe ste starart ot of yf youour sr shihiftft, y, you ou shoshould uld enensusurere
that the light/sound system is securely attachedthat the light/sound system is securely attached
to the vehicle and operating properly.to the vehicle and operating properly.
•• If tIf the uhe uniniquque coe combmbininatatioion of n of ememerergegencncy vy vehehiciclele
equipment installed in your vehicle hasequipment installed in your vehicle has
resulted in the siren controls being installedresulted in the siren controls being installed
in a position that does in a position that does not allow you to operatenot allow you to operate
them by them by touch only, OPERATE CONTROLStouch only, OPERATE CONTROLS
ONLY WHILE YOUR VEHICLE IS STOPPED.ONLY WHILE YOUR VEHICLE IS STOPPED.
•• If dIf dririviving cng conondidititionons res reququirire ye youour fur full all attttenen--
tion, you should avoid operating the sirention, you should avoid operating the siren
controls while the vehicle is in motion.controls while the vehicle is in motion.
Continuing EducationContinuing Education
•• FiFile le ththesese ie insnstrtrucuctitionons is in a n a sasafe fe plplacace ae andnd
refer to them periodically. Give a copy of theserefer to them periodically. Give a copy of these
instructions to new recruits and trainees.instructions to new recruits and trainees.
Failure to follow these safety precautions mayFailure to follow these safety precautions may
result in property damage, serious injury, or death toresult in property damage, serious injury, or death to
you, to passengers, or to others.you, to passengers, or to others.
-8--8-