Signal SS741MG Operating instructions

Signal SS741MG Operating instructions
A Division of Star Headlight & Lantern Co., Inc.
INSTALLATION AND OPERATING
INSTRUCTIONS
SS741MG
SIREN AMPLIFIER
PLITSTR250 REV E
1/16/08
INSTALLATION INFORMATION
SERIAL NO: _________________________
PURCHASE DATE: ___________________
DEALER: ___________________________
INSTALLATION DATE: ________________
INSTALLER: ________________________
MODEL: SS741MG-007
OPTIONS
_____ Alternate Magnum Tones
_____ Two- Tone Enabled
_____ Phaser/Man Auxiliary Override
_____ Phaser Disabled
Model and serial number located on the top of the amplifier unit
TABLE OF CONTENTS
GENERAL DESCRIPTION .......................................................................... 1-2
INSTALLATION ....................................................................................... 2-10
UNPACKING ...........................................................................................2
INSTALLER -SELECTABLE OPTIONS ...................................................... 3-6
MOUNTING .......................................................................................... 6-7
SAFETY PRECAUTIONS...........................................................................6
ELECTRICAL CON NECTIONS.............................................................. 8-10
WIRING DIAGRAM ................................................................................. 10
OPERATION ..........................................................................................11-14
POWER ................................................................................................ 11
SELECTOR SWITCH .............................................................................. 11
HORN................................................................................................... 12
MANUAL FUNCTION ..........................................................................12-13
MAGNUM MODE.................................................................................... 13
VOLUME CONTROLS ............................................................................. 14
MICROPHONE....................................................................................... 14
AUXILIARY INPUT.................................................................................. 14
PARK KILL ............................................................................................ 14
SPEAKER DIAGNOSTICS ....................................................................... 14
SERVICE ..............................................................................................15-18
TROUBLESHOOTING............................................................................. 15
RFI REDUCTION.................................................................................... 16
PARTS .................................................................................................. 17
LIMITED WARRANTY ............................................................................. 17
RETURNS............................................................................................. 17
SPECIFICATIONS.................................................................................. 18
CONTROL HEAD CUT-OUT INSTALLATION TEMPLATE ............................ 19
NOTICE
Due to continuous product improvements, we must reserve the right to change any specifications and information
contained in this manual at any time without notice. Signal Vehicle Products, Inc. makes no warranty of any kind
with regard to this manual, including, but not limited to, the implied warranties of merchantability and fitness for a
particular purpose. Signal Vehicle Products, Inc. shall not be liable for errors contained herein or for incidental or
consequential damages in connection with the furnishing, performance, or use of this manual.
GENERAL DESCRIPTION
The SS741MG Remote Siren Amplifier is a premium 200W unit designed for
dual 100W speaker use. It comes standard with a remote control head and a noisecancelling microphone for PA use. The amplifier box contains two separate
amplifiers that allow the user to operate two separate and distinct tones at the same
time. This dual tone (Magnum) feature creates a unique sound that is one of the
most attention getting amplifiers on the market today. The Magnum sound allows a
single vehicle to sound like several vehicles traveling at the same time. Each
amplifier operates one 100W RMS speaker and has its own fuse.
The primary operating modes are Phaser, Yelp, Wail, Hands Free, Manual,
Alert, and Radio. A Noise Cancelling PA Override and push-button Horn Override
are available in all modes. A manual push-button is provided for push-on/push-off
tone toggle operation in the Phaser, Yelp, and Wail modes. It also allows manual
siren control in the Manual, Alert or Hands Free modes. The Phaser function can be
optionally replaced by Two -Tone, or disabled entirely, with program jumpers.
-1-
Another feature allows cycling through Wail, Yelp, Phaser and Standby by
providing a signal to the horn ring auxiliary wire when the function switch is in
the Hands Free (HF) position. A Park Kill option is provided for connection to a
door switch, etc. to disable the siren when exiting the vehicle. The PA volume
control is provided on the front panel of the control head, while the Radio volume
is on the amplifier box. The front panel is backlighted with LED’s for night
visibility. This compact unit utilizes short circuit, high voltage, low voltage, and
reverse polarity protection systems for maximum service life.
The SS741MG unit is designed to allow maximum versatility in mounting.
The control head is remote from the siren amplifier box creating a compact user
interface plate that can be flush mounted into the dashboard. The amplifier box
can then be mounted remotely in the trunk, under the dashboard, under the seat,
or wherever convenient.
The siren amplifier has been designed with several protection features to
provide exceptional field service. Excessively high or low voltage detection will
disable the siren output to protect both the amplifier and the speaker. Fused inputs
provide safety against reverse polarity. Speaker diagnostics provides user
feedback as well as shutdown protection if the speaker output becomes either
electrically open or shorted. The two separate independent amplifiers allow
redundancy backup, should one speaker short out during operation the other
amplifier and speaker will remain fully operational. CAUTION: These
protection features will not guard against overloading the outputs.
The SS741MG unit is available in the following different versions:
SS741MG Standard version w/ microphone mounted to the face
plate.
SS741MGX Remote microphone connected to the back of the control
head via an extension harness.
SS741MG-TEC Standard Version with reversed 7-position knob functions.
INSTALLATION
Proper installation of the unit is essential for years of safe, reliable operation.
Please read all instructions before installing the unit. Failure to follow these
instructions can cause serious damage to the unit or vehicle and may void
warranties.
Qualifications - The installer must have a firm knowledge of basic electricity,
vehicle electrical systems, and emergency equipment.
Keep These Instructions - Keep these instructions in the vehicle or other safe
place for future reference. Advise the vehicle operator of the location.
UNPACKING
Inspect the contents for shipping damage. If found, alert the carrier immediately.
Contents should include:
(1) instruction booklet
(1) amplifier box
(1) control head with microphone
(1) microphone bracket w/(2) screws
(1) amplifier wire harness with connector
(1) communication cable (telephone-style cable)
(2) control head power wires
Please contact your supplier immediately if any of these components are missing.
-2-
INSTALLER-SELECTABLE OPTIONS
The SS741MG has several options that can be selected during installation.
Jumpers on the back of the control head, as well as on the printed circuit board
inside the amplifier case, allow the installer to select these various options. These
options should be set before installation of the unit.
Amplifier Cover Removal
CAUTION: DO NOT
OVER-TIGHTEN
SCREWS!
Remove the four protruding Philips head screws located on the top of the
amplifier unit, and the four flush Philips head screws on the sides of the amplifier
unit. DO NOT REMOVE THE FOUR RECESSED SCREWS ON THE
UNDERSIDE OF THE AMPLIFIER! Lift the top cover upwards. This cover can
be removed completely from the amplifier unit.
Auxiliary Input Polarity
Applying a positive voltage to the green wire normally activates the auxiliary
input. To activate by connecting to ground (negative), move the “AUX” option
jumper from the “Pos. Switching” pins to the “Neg. Switching” pins in the amplifier
unit. (See Amplifier diagram below). The wiring diagram on page 10 shows two
connection examples.
-3-
Park Ki ll Input Polarity The Park Kill (Cutout) Input turns off any siren tone output when activated,
and remains off until a control is activated or changed. The wiring diagram on
page 10 shows two connection examples.
Connecting to positive normally activates the park kill input. To activate by
connecting to ground (negative), move the “PKILL” option jumper from the
“Pos. Switching” pins to the “Neg. Switching” pins in the amplifier unit. (See
Amplifier diagram below).
Alternate Magnum Tones
The Magnum feature allows the two
speakers to either have two different
siren tones at the same time, or can
offset the same tone from one speaker to
the other. This sound simulates two
separate vehicles and allows maximum
attention getting ability.
For those end users who prefer to
have the Magnum feature default using
two different tones every time it is
utilized, and option jumper is provided
on the back of the control head. To
select the alternate Magnum tones,
remove the first option jumper from the
back of the control head. (See diagram
to the right). For full description of
tones, see the OPERATION section on
pages 11 to 14.
-4-
Back of Control Head
Phaser Disable
The Phaser function can be
completely disabled by removing the
second option jumper from the back of
the control head. This will also disable
the Two-Tone function used when the
manual button (MAN) is pressed while
the mode switch is in the Phaser position
(PHSR). (See diagram to the right).
Back of Control Head
Auxiliary Input Function
The Auxiliary Input allows activation
by an external source of either the Horn
or the Manual push-button functions
when the rotary selector switch is in the
MAN (Manual), A LERT, or HF (Hands
Free) position. This input is usually
wired into the vehicle horn switch. The
wiring diagram on page 10 shows two
connection examples. NOTE:
Permanent disconnection of the vehicle
horn is NOT recommended.
The siren is factory shipped with the
auxiliary input option defaulted as the
Horn function. To utilize the auxiliary
input as the Manual function instead of
the Horn function, remove the third
option jumper from the back of the
control head. (See diagram to the right).
Back of Control Head
Two-Tone
Two-Tone can replace functions with
Phaser by removing the fourth option
jumper from the back of the control
head. (See diagram to right).
Back of Control Head
-5-
Horn Ring Transfer
The installer may opt to have the sirens electronic air horn replace the
vehicle horn. This can be done by adding a single pole, double throw (SPDT)
switch. Two Horn Ring Transfer wiring diagrams are shown below.
MOUNTING
SAFETY PRECAUTIONS
For the safety of the installer, vehicle operator, passengers and the
community please observe the following safety precautions. Failure to follow
all safety precautions and instructions may result in property damage,
injury or death.
!!! WARNING !!!
DO NOT mount in air bag deployment area.
Devices should be mounted only in locations listed in SAE standard J1849.
Controls should be placed within convenient reach of the driver.
Assure clearances before drilling in vehicle.
Sound levels produced by attached speakers can cause permanent hearing loss.
Never operate this unit without adequate hearing protection for you and others.
in the area. (OSHA 1910.95)
AMPLIFIER
The SS741MG amplifier should be mounted in a
location such as the driver compartment firewall,
under the seat, or in the trunk. It is not recommended
to mount the amplifier in the engine compartment or
in an area that would be allowed direct exposure to
weather elements. Choose a mounting location away
from any air bag deployment areas. Assure adequate
ventilation to prevent overheating
The amplifier unit is provided with a mounting flange that contains four 1/4"
holes. Using the amplifier unit itself as a template, mark the location of the four
mounting holes to be drilled. Be sure to check for obstructions behind the mounting
hole locations. Drill the four mounting holes and secure the amplifier using
appropriate hardware (not supplied). Be sure that all wiring harness connections are
made prior to connecting the harness to the amplifier unit.
-6-
CONTROL HEAD
The control
head is designed to
be flush mounted.
Select a location
such as the dash,
the overhead
console, or a center
console. Choose a
mounting location
convenient to the
Please note that for the SS741MG-TEC the 7 -position knob functions are reversed.
operator and away
from any air bag
deployment areas.
Be sure to choose a location that has at least two inches of depth to accommodate
the control head and cables. Consider wire routing and access to connections when
selecting location as well.
Mark the mounting hole locations and the area to be cut out using the control
head installation template provided on page 19. CAUTION: Use extreme caution
not to oversize the cutout area. The control head will only overlap this cutout
hole by 1/8" on the top and the bottom. Temporarily place the control head in the
cutout opening to verify the alignment of the unit. Remove the control head and
connect the communication cable and the two power cables. If the option jumpers
on the back of the control head have not been previously set, refer to the Installer
Selectable Options section on pages 3-6. Permanently mount the control head using
four #6 screws (not provided).
MICROPHONE BRACKET
A metal clip is provided for mounting the microphone. Choose a location
convenient to the operator and away from any air bag deployment areas. Using the
mounting clip as a template, mark the two holes to be drilled. Using a 1/8" drill bit,
drill the two mounting holes. Install the two #6 screws provided with the bracket.
-7-
ELECTRICAL CONNECTIONS
AMPLIFIER
Electrical power connections to the amplifier are made using a removable
connector located on the back of the amplifier case. Communication between the
control head and the amplifier are made via a special communication cable.
CAUTION: Please note that this cable IS NOT a standard telephone cord and
CANNOT be replaced with one. You should make all electrical connections to
the power connector before installing the connector on the unit. If the unit needs
service, both the communication cable and the power connector can be easily
removed without unwiring the connector.
The power supply of the unit 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. The unit is internally fused.
The wiring diagram page 10 shows detail of how to wire the power connector on
the amplifier to the vehicle.
CONTROL HEAD
Rear of SS741 Control Head
5
-
Black: GROUND
Communication
Cable (w/RJ11 jacks)
!
Red: +12V
DC
CAUTION: NOT REPLACEABLE WITH A
STANDARD TELEPHONE CABLE
Electrical power connections to the control head are made using one male
and one female spade terminal. The black wire included in the kit with the
female terminal should be plugged into the male spade terminal on the back of the
control head. The red wire included in the kit with the male terminal should be
plugged into the female terminal on the back of the control head. Commu nication
between the control head and the amplifier is made via a communication cable
with an RJ11 connector at both ends. The communication cable should have one
end plugged into the amplifier (RJ11 jack) and the other end plugged into the
control head (RJ11 jack). Please Note: This is NOT a standard telephone cable.
-8-
Wire Size and Termination
The wiring diagram on the next page shows the minimum wire size used for each
connection, along with recommended lead color. Please use the following
guidelines when wiring your siren:
• If the wire is longer than 10 ft. use the next larger wire size. Use only high quality
crimp connectors.
• Make sure all connections are tight.
• Route the wiring to prevent wear, overheating and/or interference with air bag
deployment.
• Use grommets and sealant when passing through compartment walls.
• Minimize the number of splices to reduce voltage drop.
• Ground connections should only be made to substantial chassis components, preferably
directly to the negative of the vehicle battery.
• Install and check all wiring before connection to vehicle battery.
Wiring Connections:
BLACK LEADS:
You MUST connect BOTH black wires when using two 100W driver speakers.
Connect to the negative of the battery, or to a good chassis ground. Be sure to use
minimum size #14 AWG wire.
RED LEADS:
You MUST connect BOTH red wires when using two 100W driver speakers.
Connect to the positive of the battery, or to a high current power buss. A power relay
may also be used. Be sure to use minimum size #14 AWG wire.
BROWN LEAD:
Connect brown lead to positive terminal or lead of the first speaker. Be sure to use
minimum size #14 AWG wire. (Speaker #1)
WHITE LEAD w/ BROWN STRIPE:
Connect lead to negative terminal or lead of the first speaker. Be
sure to use minimum size #14 AWG wire.
Please note: The Brown and White w/Brown Stripe wire must be connected for PA and Radio Repeat)
ORANGE LEAD: Connect orange lead to positive terminal or lead of the second speaker. Be sure to
use minimum size #14 AWG wire. (Speaker #2)
WHITE LEAD w/ ORANGE STRIPE:
Connect lead to negative terminal or lead of the second speaker.
Be sure to use minimum size #14 AWG wire.
You must observe the polarity of the speakers (phasing). Be sure the positive terminals of both speakers
are connected to the solid brown wire and solid orange wire from the siren. The negative terminals of
both speakers should be connected to the white, same color stripe, striped wires from the siren.
Optional Connections:
BLUE LEADS:
Use for radio repeat. Connect one blue lead to each terminal of the radio speaker or
output connector of the radio. Most radio outputs are isolated, in which polarity would
not be important. Radios with polarity sensitive outputs should be connected w/ the
blue wire from pin 6 to the positive radio output, and the blue wire from pin 3 to the
negative radio output. Use #18 AWG wire.
GREEN LEAD: Use for remote (Aux.) Manual control. Connect to horn ring circuit or remote switch.
Circuit may be positive or negative with proper jumper selection. See INSTALLERSELECTABLE OPTIONS section (page 3) for jumper details. NOTE: Cut lead short
if not used & insulate w/ electrical tape.
WHITE LEAD: Used for Park Kill (Cut -off). Connect to dome light or added door switch. Circuit
may be positive or negative with proper jumper selection. See INSTALLERSELECTABLE OPTION section (page 4) for jumper details. NOTE: Be sure to cut
lead short if not used and insulate with electrical tape.
Testing - Test all siren functions after installation to assure proper operation. Test
vehicle operation to assure no damage to vehicle.
-9-
SIREN
Horn
Switch/Relay
-10-
2 - Black (#14 AWG)
1 - Red (#14 AWG)
4 - Red (#14 AWG)
3 - Blue (#18 AWG)
7 - Brown (#14 AWG)
6 - Blue (#18 AWG)
5 - Black (#14 AWG)
9 - Green (#18 AWG)
8 - White (#18 AWG)
OR
11 - White w/Orange (#14 AWG)
10 - Orange (#14 AWG)
12 - White w/Brown (#14 AWG)
Positive Switching AUX
Horn Jumper Selected
1 and 4 - Red
+
VEHICLE
HORN
2 and 5 - Black
BATTERY
Positive
Switching
AUX
+12 VDC
+
RADIO
OR
+
Door Switch
Negative Switching PK
Jumper Selected
Positive Switching PK
Jumper Selected
+12 VDC
7 - Brown (#14 AWG)
SPEAKER 2
11 OHMS
12 - White w/Brown (#14 AWG)
Horn
Switch/Relay
VEHICLE
HORN
+
Connect the Blue wires to
the terminals of speaker or
to the output jack of radio
OR
Negative Switching AUX
Horn Jumper Selected
+12 VDC
Negative
Switching
AUX
8 - White (#18 AWG)
6 - Blue (#18 AWG)
3 - Blue (#18 AWG)
Added Door
Switch
Dome
Light
SPEAKER 1
11 OHMS
(Radio & PA)
OPERATION
Please note that for the SS741MG-TEC the 7 -position knob functions are reversed.
GENERAL
This unit is designed for easy operation under the stress associated with high-speed
pursuit. Most siren functions are accessible with one simple motion without
repetitive activation of switches or automatic timed switching that can interfere with
desired operation.
POWER
In order for the siren to function, the power switch
must be in the ON position. When turned on, the
siren may be activated at the operator’s discretion.
SELECTOR SWITCH
The rotary selector switch controls the primary operating function of the siren.
PSHR (Phaser) - Ultra-fast warble tone used for maximum attention in highly
congested areas.
YELP - A rapid warble tone used in light to moderately congested areas.
WAIL - A normal rise-fall tone used on highways and
areas with low traffic or constant traffic flow.
HF (Hands Free) - Also known as Horn Ring Cycler,
allows the user to cycle through Wail, Yelp, Phaser and
Manual by repeatedly pressing the horn or other switch
connected to the AUX input. Operating any other
switch resumes normal operation. Please note that this
mode disables the Manual (MAN) push-button
selection when a Wail, Yelp, or Phaser tone is cycled
to.
MAN (Manual) - A silent mode that allows push-button
note that for the
Manual (MAN), push-button Horn, and Public Address Please
SS741MG-TEC the 7 -position
operation. The siren output winds down when the
knob functions are reversed.
Manual push-button switch is released.
ALERT - A silent mode that allows push-button Manual (MAN), push-button Horn
and Public Address operation. The siren output terminates immediately when the
Manual push-button switch is released.
RADIO - Also known as Radio Repeat, this function amplifies a radio speaker
input for re-broadcast outside the vehicle through speaker #2. PA is available, but
no siren tones are available in this position.
-11-
HORN (Air Horn)
This momentary push-button switch provides a simulated air-horn tone while
pressed. This can be used to either replace, or to supplement the normal vehicle
horn and is useful at intersections or in low noise areas. This tone will override
all other siren tones.
MAN (Manual Function)
With the selector switch in the MAN, A LERT, or HF position, this momentary
push-button switch (MAN) provides a manually activated Wail siren tone. While
the selector switch is in the WAIL, YELP, or PHSR position, this switch provides
a generally quicker changing tone. (See tables below and on next page). These
quicker tones are used to momentarily alert motorists at intersections and very
highly congested areas. Pressing the button once changes to the next faster tone.
Pressing the manual button again, will revert the siren back to the original tone.
Optional configuration allows the replacement of the Phaser tone with TwoTone, or the disabling the Phaser tone entirely. These options are selected during
installation and may be governed by State or Local laws. (Refer to the
INSTALLER SELECTABLE OPTIONS section on page 5).
Standard Mode:
Rotary
Switch
Position:
Phaser
Yelp
Wail
Hands
Free
Speakers
1/2
Pressing Manual Pushbutton
1/2
Phaser/Phaser
Yelp/Yelp
Wail/Wail
No Output
Two-Tone/Two-Tone
Phaser/Phaser
Yelp/Yelp
Manual
No Output
Alert
No Output
Creates a manual WAIL tone while
button is being held that sweeps
down when the button is released.
Creates a manual WAIL tone while
button is being held that sweeps
down when the button is released.
Creates a manual WAIL tone while
button is being held that stops
immediately when the button is
released.
(NOTE: PHASER and TWO-TONE may be optionally swapped or disabled via
program jumpers. See INSTALLER-SELECTABLE OPTIONS on page 5.)
-12-
Magnum Mode:
Rotary Switch
Position:
Phaser
Yelp
Wail
Hands Free
Speakers
1/2
Pressing Manual Pushbutton
1/2
Wail/Phaser
Double Yelp
(Staggered)
Double Wail
(Staggered)
No Output
Wail/Two-Tone
Yelp/Phaser
Manual
No Output
Alert
No Output
Wail/Yelp
Creates two staggered manual WAIL
tones while button is being held that
sweep down when the button is released.
Creates two staggered manual WAIL
tones while button is being held that
sweep down when the button is released.
Creates two staggered manual WAIL
tones while button is being held that stop
immediately when the button is released.
(NOTE: PHASER and TWO-TONE may be optionally swapped or disabled via
program jumpers. See INSTALLER-SELECTABLE OPTIONS on page 4.)
Alternate Magnum Mode:
Rotary Switch
Position:
Phaser
Yelp
Wail
Hands Free
Speakers
1/2
Pressing Manual Pushbutton
1/2
Wail/Phaser
Wail/Two-Tone
Yelp/Phaser
Yelp/Two-Tone
Wail/Yelp
Wail/Phaser
No Output Creates two staggered manual WAIL tones
Manual
No Output
Alert
No Output
while button is being held that sweep down
when the button is released.
Creates two staggered manual WAIL tones
while button is being held that sweep down
when the button is released.
Creates two staggered manual WAIL tones
while button is being held that stop
immediately when the button is released.
(NOTE: PHASER and TWO-TONE may be optionally swapped or disabled via
program jumpers. See INSTALLER-SELECTABLE OPTIONS on page 4.)
-13-
VOLUME CONTROLS
Radio Repeat Volume - The radio repeat
volume is recessed on the front face of the
amplifier next to the communication jack.
This should be set when the vehicle is
parked. First set the volume level o f the
vehicle’s two-way radio to its normal
operating volume. Adjust the siren’s rotary
selector switch into the RADIO position.
Insert a small, flat blade screwdriver into
the RADIO volume adjustment port. Turn clockwise
direction to increase the sound level.
PA Volume - The PA volume control is provided for
public address volume. This is located in the upper
right hand corner of the control head. It should be set
when the vehicle is parked. Set the PA volume to the
maximum level with no feedback (squeal).
MICROPHONE
The attached noise-cancelling microphone is used for public address operation
and overrides any siren tone when it’s push-to-talk (button on the side) is pressed.
AUXILIARY INPUT
During installation an auxiliary input may be connected to the vehicle horn ring
or other switching device. It provides the same operation as pressing the Horn
button or optionally (via internal jumpers) the Manual (MAN) push-button.
PARK KILL (CUTOUT)
During installation, the Park Kill input may be connected to a door switch. It
will automatically turn 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 switch or
input will restore normal function.
SPEAKER DIAGNOSTICS
There are two diagnostic LED’s located in the
lower left hand corner of the control head. These
LED’s will only turn on while a tone is trying to be
generated. Status of the speakers are indicated as
follows:
Steady - Speaker is connected and operating properly.
Flashing - There is an electrical short in the speaker or wires to the speaker.
Off
- No speaker is connected, or
- The siren is not activated to output a tone to the speaker, or
- The speaker or wire connection is loose or is electrically open
-14-
TROUBLESHOOTING
Symptom
No power
Possible Cause
Check
Power switch not turned on
Connector loose
Amplifier 15A fuse blown
(one or both)
Loose connection at power source
No siren
tone - PA
works
High voltage protection
Low voltage protection
Microphone button stuck
Park Kill polarity option set wrong
Park Kill activated
No siren
tone - No
sound
Bad speaker or speaker wiring
No PA
PA volume not set properly
Distorted
Speaker assembly loose
siren sound Intermittent Aux. Input connection
Low or high vehicle voltage
Intermittent High voltage protection
siren tone
Low voltage protection
Microphone button activation
Horn
function or
Manual
function
stuck on
No Radio
No or Low
Radio
Wrong
siren tone
Phaser not
working
Circuit breaker in supply
connection
Shorted speaker or speaker wire
Horn switch stuck
MAN push-button switch stuck
Aux. Input improperly connected
Aux. Input Polarity Option set
wrong
Unit not connected to radio
Radio volume too low
Does back-lighting come on?
Do you hear a “pop” when turned on?
Is power hooked up backwards? Positive ground
vehicle?
Is an external fuse or circuit breaker used?
Are the negative leads connected to a good
ground?
The input voltage must be less than 16 volts.
The input must be greater than 10V with the
siren turned on.
Does microphone button release properly?
Is the PK jumper option properly configured?
Does the siren work when Park Kill input is
disconnected?
Does either speaker diagnostic LED flash?
Check for a short.
Does neither speaker LED turn on steady?
Check for an open.
Have you tried turning the PA volume control?
Is the speaker bell or tip loose?
Is the Aux. Input used and wired properly?
Input voltage must be between 10 & 16 volts
while siren is on.
Is the vehicle voltage regulator working
properly?
Is the connector tight on the back of the unit?
Is there a loose connection on a power lead?
The input must be greater than 10V with the
siren turned on.
Is something lying on the microphone?
Is a circuit breaker used with at least a 50A
rating?
Does the speaker have water damage, or is a
wire pinched?
Does the horn switch return fully when
released?
Does the MAN push-button switch return fully
when released?
Is the AUX Input used and wired properly?
Is the AUX jumper option properly configured?
Is the radio connected properly to the unit?
Can you hear the radio in the vehicle?
Have you tried turning the Radio volume
control?
Radio outputs not isolated and
Are the radio wires connected to the correct
polarity hooked up backwards
polarity from the radio output?
Two-Tone option jumper installed Is the TT jumper option properly configured?
Aux. Input set to wrong function
Is the AUX jumper option configured properly?
Alternate Magnum jumper installed Is the Alternate Magnum tone jumper
configured properly?
Phaser disabled
Is the PD jumper option configured properly?
-15-
If you are experiencing an unusually high amount of RFI, you
may perform the following steps to help reduce the RFI:
1.
Make sure that both the control head and amp are securely attached to good
chassis ground (i.e. no paint in-between the chassis and the grounding
terminal).
2.
Keep the siren control head and the police radio as far away from one another
as is practical.
3.
Check that the police radio antenna wire makes a right angle from the back of
the police radio and runs on one side of the vehicle. The communications cable
for the siren should make a right angle out of the back of the control head and
exit in the opposite direction from both the police radio antenna wire and the
police radio power wires.
4.
Excess communication cable from the control head to the amp should be tightly
bound back near the amplifier box.
5.
An RFI choke (www.digikey.com P/N: 240-2066; STAR P/N: P30039-57) can
be placed around the communications cable at the back of the siren amplifier
box.
6.
You can also place a second RFI choke around the Red and Black wires exiting
the siren amplifier box.
ANTENNA LEAD
RADIO POWER WIRES
SIREN AMP
BATTERY
SIREN CONTROL HEAD
RADIO
SIREN COMMUNICATIONS CABLE
RFI CHOKES
SIREN POWER WIRES
-16-
PARTS
The following parts are available from Signal Vehicle Products:
Part
P30235-4
P30234-4
SWH-31
P30069-38
P30053-31
P30028-8
P30028-6
P30232-1
P30208-10
P30032-8
P30239-1
P30239-2
P30148-8
Description
Siren Top Cover
Siren Bottom Mounting Plate
Wiring Harness
Microphone Bracket with Screws
Amplifier Case Screws
5 Amp Automotive Blade Fuse for Control Head
15 Amp Automotive Blade Fuse for Amplifier
Noise Cancelling Microphone
Microphone Strain Relief
TIP36C Power Transistor
Rotary Selector Switch Knob
PA Volume Knob
Communications Cable*
* CAUTION: This is not a standard telephone cable and
CANNOT be replaced with one.
LIMITED WARRANTY
Signal Vehicle Products warrants this new product to be free from defects in
material and workmanship, under normal use and service, for a period of one (1)
year from the date of delivery to the first user-purchaser.
During this warranty period the obligation of Signal Vehicle Products is limited
to repairing or replacing, as Signal Vehicle Products may elect, any part or parts of
such product which after examination by Signal Vehicle Products is determined to
be defective in material and/or workmanship.
This warranty does not cover labor charges for removal or re-installation of the
product. Fuses and lamps are not covered under this warranty.
This warranty does not extend to any unit that has been subjected to abuse,
misuse, improper installation or which has not been adequately maintained, nor to
units which have problems related to service or modification at any facility other
than the manufacturer.
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 SIGNAL VEHICLE PRODUCTS BE LIABLE FOR ANY LOSS OF
PROFITS OR ANY INDIRECT OR CONSEQUENTIAL DAMAGES ARISING OUT
OF ANY SUCH DEFECT IN MATERIALS OR WORKMANSHIP.
RETURN
If you have any questions concerning this or any other SVP product, please
contact our Customer Service Department at (585) 226-9025.
If a product must be returned for any reason, please contact our Customer
Service Department to obtain a Returned Goods Authorization number (RGA#)
before you ship the product to SVP. Please write the RGA# clearly on the
package near the mailing label.
-18-
SPECIFICATIONS
Input Voltage
10 - 16 VDC (negative ground)
Input Current
Standby Current
Audio Frequency
Audio Output
Output Power
16 Amps @ 13.6 VDC (dual 100W speakers)
Less than 150 mA
200Hz - 10 kHz + 3db
40 watts @13.6 VDC (single 100W speaker)
105 WATTS RMS MAX. (15.0 VDC - single 100W speaker)
210 WATTS RMS MAX. (15.0 VDC - dual 100W speakers)
675Hz - 1633Hz
16 - 18 VDC will cause siren output to cease, resume at normal
50 AMPS (supply circuit must be capable of supplying this)
-15° F to +140°F
7-position rotary switch (Radio, Alert, Man, HF, Wail, Yelp, Phsr)
Momentary push-button Horn switch
Momentary push-button Manual/Toggle switch
Magnum feature (two separate tones at the same time)
Auxiliary input connection for remote Manual or Hands Free operation
-jumper programmable for positive or negative horn
Park Kill input connection
-jumper programmable for positive or negative activation
Phaser (and Two-Tone) disable (jumper programmable)
Two-Tone activation swaps modes with Phaser (jumper programmable)
Alternate Magnum tones (jumper programmable)
Two LED indicators provide diagnostic feedback, one for each speaker.
Detachable, 12-pin, positive locking connector with pigtail leads for Amplifier.
(2) Positive, (2) Negative, (4) Speaker, (2) Radio, Auxiliary, Park Kill, Horn
Telephone style communication cable between Control Head and Amplifier
Power wires with Fast-On spade terminals for Control Head power.
Amplifier: 2 -1/2” High, 7” Wide, 7 -3/8” Deep (plus 3/4" flange on each side)
Control Head Face Plate: 2 -7/8" High, 6 -1/4" Wide, 1 -1/2" Deep
Control Head Mounting Hole: 2 -5/8" High, 5 -1/4" Wide, 2" Deep
8.3 lbs.
Siren Frequency
High Voltage Protection
Short Circuit Current
Operating Temperature
Controls
Diagnostic Indicators
Connections
(12-Pin Connector)
Size
Boxed Weight
-18-
-19-
THIS INNER AREA
TO BE CUT OUT.
CAUTION: Do not cut inner area too large,
control head face plate only overlaps 1/8".
1/2"
1/8"
2-5/8"
CONTROL HEAD
INSTALLATION TEMPLATE
5-1/4"
5-7/8"
Ø.140
2-1/2"
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