Street Thunder™
Street Thunder™
Street Thunder™Street Thunder™
ST300
Street Commander
SIREN AMPLIFIER & LIGHT CONTROLLER
INSTALLATION AND OPERATING INSTRUCTIONS
1340 Russell Cave Road / P.O. Box 54308 Lexington, KY 40505
Tel: (800) 477-7766 Fax: (800) 944-2557
www.galls.com
PLIT301GALLS REV. D 6/18/14
TABLE OF CONTENTS
INSTALLATION INFORMATION TABLE 1
GENERAL DESCRIPTION 1-2
INSTALLATION 2-17
PACKAGE CONTENTS 2
INSTALLER-SELECTABLE OPTIONS (Amplifier) 3-6
INSTALLER-SELECTABLE OPTIONS (Control Head) 7-8
MOUNTING 9-11
ELECTRICAL CONNECTIONS (Siren Amplifier) 12-15
RECOMMENDED WIRE SIZING CHART 12
SIREN WIRING DIAGRAM 14
OPTIONAL HRT WIRING DIAGRAM 15
ELECTRICAL CONNECTIONS (Lights) 16-17
LIGHT WIRING DIAGRAM 17
BUTTON LABEL INSERTION 18
OPERATION 19-22
GENERAL 19
SLIDE SWITCH 19
PUSH BUTTON LIGHT CONTROLS 19
SIREN CONTROLS 20-21
VOLUME CONTROLS 22
MICROPHONE 22
AUXILIARY INPUT 22
PARK KILL 22
SPEAKER DIAGNOSTICS 22
SERVICE 23-25
TROUBLESHOOTING 23
FUSES 24
SPECIFICATIONS 24
PARTS 25
RETURNS 25
LIMITED WARRANTY 26
SWITCH FUNCTION TABLE 26
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. Galls
and/or the manufacturer make 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. Galls and/or the manufacturer 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.
NOTICE
-i-
Installation Information
MODEL:
AMP S/N:
CONTROL HEAD S/N:
PURCHASE DATE:
INSTALLATION DATE:
INSTALLER:
DEALER:
SIREN OPTION DIP SWITCHES LIGHT CONTROL OPTION JUMPERS
_____ Two-Tone Enabled _____ 8 sec. gun lock S4
_____ Pursuit Disable _____ Momentary S3
_____ Phaser Disabled _____ Normally Closed S3
_____ Negative Park Kill Switching _____ HRT on Start-up
_____ Negative Auxiliary Switching _____ Audible Beep disable
_____ Auxiliary Override
_____ HF on Start-up
_____ S3 Auto Activate
General Description
The ST300 series is a premium remote system that combines the siren amplifier, the
siren controls, and light controls all in one system. A single slim-line remote control
head combines the noise-canceling microphone with a built in siren, as well as many
of the switch and light controls for the vehicle. The control head contains illuminated
switches that change color to indicate status. The face of the control head is sealed
around every push button to help prevent liquid from entering the electronics. The
amplifier is a 200W siren amplifier unit designed for single or dual 100W speaker
use.
The control head contains several distinct controls for operation of vehicle devices.
The slide switch allows quick pursuit mode operation. The far right slide position
can be set up to activate maximum lights and siren for pursuit mode. Five push
buttons allow control of five different lighting or auxiliary functions. Seven
additional push buttons allow full siren operation.
The ST300 series is designed to allow maximum versatility in mounting. The control
head is remote from the siren amplifier and light relay control box, creating a
compact user interface that can be mounted onto the dashboard, overhead, or in the
center console. The amplifier box can then be mounted remotely in the trunk, under
the dashboard, under the seat, or wherever convenient. The control head is available
with an adjustable “U” bracket or with a flange for recessed mounting.
-1-
(General Description CONT’D)
Siren operating modes include Wail, Yelp, Phaser, Hands Free, and Radio. A noise
canceling PA override is available in all modes. A Manual button allows tone toggle
operation and manual siren control. The Air Horn button will override any siren tone.
The vehicle horn switch may also perform the Manual push button function via an
auxiliary input. Twelve option jumpers allow the unit to be fully customized to the
operators' needs. Options include: Phaser vs. Two-Tone, Phaser disable, 8 second
timed gunlock release, momentary vs. lock-on/lock-off switch operation, N.O.
contact vs. N.C. contact, auto horn ring transfer, and many more. A Park Kill option
is provided for connection to a door switch, etc. to disable the siren when exiting the
vehicle. Both a PA volume and a Radio volume are provided.
The ST300 series has been designed with several protection features to provide
exceptional field service. Excessive high or low voltage detection will disable the
siren output, protecting both the amplifier and the speaker. Fused inputs provide
safety against reverse polarity. Speaker diagnostics provides user feedback as well as
shutdown protection against speaker opens and shorts. The first four light output
functions are individually protected with 20A fuses, while the fifth light output
function is protected with a 2A in-line fuse. CAUTION: These protection features
will not guard against overloading the outputs.
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,
Keep These Instructions - Keep these instructions in the vehicle or other safe
Unpacking - Immediately inspect the contents for shipping damage. If any
Contents should include:
1 - remote control head
1 - amplifier and light control box
1 - amplifier wire harness with connector
1 - 25’ amplifier communication cable (6-wire telephone style cable)
1 - mounting hardware
1 - “U” bracket
1 - label set
1 - installation and operating instructions
Please contact your supplier immediately if any components are missing.
vehicle electrical systems, and emergency equipment.
place for future reference. Advise the vehicle
operator of the location.
damage is found, alert the carrier immediately.
-2-
Installer Selectable Options
The ST300 has several options that can be selected during installation. Various
DIP switches and jumpers on the printed circuit board inside the amplifier case,
inside the control head. These options should be set before installation of the
unit.
Siren option DIP switches (located in the amplifier case):
Light control option jumpers (located inside the control head)
SIREN OPTION DIP SWITCHES
Amplifier Cover Removal
• Auxiliary input polarity
• Park Kill input polarity
• Two-tone replacement of Phaser tone
• Phaser Disable
• Slide Switch Pursuit Disable
• Auxiliary control (Manual vs. Horn)
• 8 second timed gun lock release (S4)
• Momentary replacement of lock-on/lock-off switch operation (S3)
• Normally closed contact replacement of normally open (S3)
• Activate Hands Free on start-up
• Activate Horn Ring Transfer on start-up
• Audible beep disable
• S3 Auto Activate on Position L2 & L3 of Slide Switch
CAUTION:
DO NOT
OVER-TIGHTEN
SCREWS!
Loosen the three protruding Philips head screws located on the top of the
amplifier unit. Slide the cover off.
-3-
(Installer Selectable Options CONT’D)
Auxiliary Input Polarity
Diagram showing NEG AUX set up
Applying a positive voltage to the green wire normally activates the auxiliary
function (Air Horn standard/MANUAL function optional). To have the AUX
function instead activate when the green wire is connected to ground (negative) .
1. Turn “AUX POS” DIP switch off (shown above).
2. Turn “AUX NEG” DIP switch on (shown above).
The wiring diagram on page 14 shows two connection examples
Park Kill Input Polarity
Diagram showing NEG PK set up
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
14 shows two connection examples.
Connecting the white wire to positive (+12 VDC) normally activates the Park
Kill input. To have it activate instead when the white wire is connected to
ground (negative).
1. Turn “PK POS” DIP switch off.
2. Turn “PK NEG” DIP switch on.
(See Amplifier diagram above)
-4-
(Installer Selectable Options CONT’D)
Two-Tone
If desired, the Phaser sound can be replaced with a Two-Tone sound. This can
be done by turning on (up position) DIP switch #3 in the amplifier (labeled SW).
(See Amplifier diagram above)
Phaser Disable
If desired, the Phaser function can be completely disabled by turning on (up
position) DIP switch #4 in the amplifier (labeled PD). This will also disable the
manual button while the siren is in Phaser mode (which normally would
produce a Two-Tone sound).
(See Amplifier diagram above)
-5-
(Installer Selectable Options CONT’D)
Pursuit Disable (Siren)
The farthest right slide switch position (L3) will normally activate the siren
output in the wail mode, along with all three light functions. Automatic
activation of the siren and arrow stick can be disabled. If you prefer to NOT
have the siren and arrow stick automatically activated when the slide switch is
moved to position three, move Dip switch #2 in the amplifier (labeled PS) to the
“UP” position. (See diagram above).
-6-
(Installer Selectable Options CONT’D)
CONTROL HEAD OPTION JUMPERS
The control heads are shipped with the standard features listed below. The seven
jumpers are all installed across both pins when the siren is shipped. By moving
the jumpers onto only one pin the alternate operation may be selected. (S3 Auto
Activation is achieved by removing the "Momentary" and "Normally Closed"
jumpers and placing one of them across both of the first pins.)
Standard Feature Moving Jumper to One Pin Only
Auxiliary wire activates Horn Function Auxiliary wire activates Manual
S4 is a standard push-on/push-off switch S4 closes for 8 seconds when pushed
S3 is a standard push-on/push-off switch S3 becomes a momentary switch
S3 is normally open when off S3 becomes closed when off
Hands Free function off when powered up Hands Free function is on when unit
Horn Ring Transfer (S5) is off when powered up Horn Ring Transfer is auto selected on
Audible beep heard when buttons are pressed Audible beep disabled
S3 functions activated only with S3 switch S3 functions activated when slider in
Function
powered up
start-up
L2 or L3 positions
Amplifier Cover Removal
Remove the four Philip head screws recessed in the back of the control head unit.
CAREFULLY remove rear cover, use caution so as not to lift circuit board and
membrane switch away from front faceplate. Locate the 7 jumpers located near
the microphone coil cord strain relief.
-7-
(Installer Selectable Options CONT’D)
These two jumpers are shown
moved from their default
position to only one pin.
S3 Auto Activate place one jumper
over both these
pins
- Auxillary control
- 8 Second (S4)
- Momentary (S3)
- Normally closed contact (S3)
- Hands Free on start up
- Horn Ring Transfer on start up
- Audible beep disable
Auxiliary control (Manual vs. Horn) - The green auxiliary wire in the siren
amplifier harness is typically connected to the vehicle horn, and normally
provides remote activation of the air horn for all siren modes except Hands
Free (HF) mode. In the HF mode, the auxiliary wire will make the siren step
through from Standby to Wail to Yelp to Phaser. The auxiliary wire may be
optionally selected to duplicate the Manual push button instead of the Horn.
8 second timed gun lock release (S4) - The amplifier is shipped with the fourth
push button (S4) as a standard on/off button. It can be optionally selected to
stay activated for only 8 seconds when pressed.
Momentary replacement of lock-on/lock-off switch operation (S3) - The
amplifier is shipped with the third push button (S3) as a standard lock-on/
lock-off switch. It can be changed to momentary operation, thus only being
active while being pressed in.
Normally open contact replacement of normally closed switch (S3) - The
amplifier is shipped with the third push button (S3) as a normally open
contact, which closes when pressed. It can be changed to a normally closed
contact that opens when pressed.
Activate Hands Free on start-up - If you wish to have the siren automatically
activated in Hands Free Mode when the control head is powered up, you can
select this option.
Activate Horn Ring Transfer on start-up (S5) - If you wish to have the fifth
push button (S5) automatically activated when the control head is powered
up, you can select this option. S5 may be connected to the horn ring transfer
relay if you wish to turn the Horn Ring Transfer feature on and off. (Refer to
the wiring diagram on page 14).
Audible beep disable - The audible beep heard when the buttons in the
control head are pressed can be disabled.
S3 Auto Activate – S3 will turn on when the slide switch is in positions L2 &
L3 and then will turn off when the switch is moved back to L1 or off.
-8-
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.
SIREN AMPLIFIER & RELAY CONTROL BOX
•
The LCS800 amplifier should be
mounted in a location such as the
driver compartment firewall,
under the seat, or in the trunk.
•
Do not 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.
1
. The amplifier unit is provided with a mounting flange that contains four 1/4"
holes.
2. Using the amplifier unit itself as a template, mark the location of the four
mounting holes to be drilled.
3. Check for obstructions behind the mounting hole locations and drill the four
mounting holes and secure the amplifier using appropriate hardware (not
supplied).
4. Be sure that all wiring harness connections are made prior to connecting the
harness to the amplifier unit.
-9-
(Mounting CONT’D)
STANDARD CONTROL HEAD
The standard control head comes with two interchangeable “U” brackets.
1. Using one of the two “U” brackets as a template, mark at least two mounting
holes on your mounting surface.
2. Drill the mounting holes in the vehicle taking care to check the backside of the
surface you are drilling into.
3. Mount one of the “U” bracket using installer-supplied hardware.
4. If the control head option jumpers have not been previously set, refer to the
Installer Selectable Options section on pages 7-8.
5. Screw the second “U” bracket to the backside of the control head using the two
#8 screws provided.
6. The “U”
bracket on the
back of the
control head
can
now be fastened to
the “U” bracket
previously
mounted on the
vehicle using the
two ¼” screws,
two flat washers,
two lock washers,
and two nuts
provided.
7. Once fastened together, adjust the control head by rotating the “U” brackets
and/or sliding the “U” brackets closer or farther apart. Tighten ¼” screws.
-10-
(Mounting CONT’D)
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.
-11-
Electrical Connections
Wire Size and Termination
The wiring diagrams on pages 14 and 17 show the minimum wire size used for
each connection, along with recommended lead color. 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 wiring to prevent wear,
overheating, and 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. SEE THE TABLE BELOW FOR CORRECT WIRE SIZING!
RECOMMENDED WIRE SIZE - AMP CAPACITY &
CONSTRUCTION
Ampacity Range SAE Wire Size Gauge/No. of Strands
5A - 10A #16 29/19
10A - 15A #14 27/19
15A - 30A #12 25/19
30A - 40A #10 23/19
40A - 50A #8 21/19
All conductors should be constructed of stranded copper with thermoplastic insulation.
CAUTION: All wires should be rated for at least 125% of their maximum current load.
All wires connected to the positive terminal of the battery should be fused at the battery
for their rated load. The load can be calculated by adding all lamp wattages and dividing by
13. Load (Amps) = Total Watts / 13 volts. Do not use 1/4" diameter glass fuses, as they are
not suitable for continuous duty above 20 amps.
SIREN AMPLIFIER
Siren 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
communications cable with
an RJ11 jack.
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.
-12-
(Electrical Connections CONT’D)
The power supply of the siren 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 on the next page shows detail of how to wire the power
connector on the amplifier to the vehicle. The communication cable should have
one end plugged into the amplifier (telephone style jack) and the other end
plugged into the control head.
Siren 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 LEADS: Connect one lead to each terminal or lead of the speaker. Be sure to use minimum
size #14 AWG wire. If connecting a second speaker in parallel, you must observe the
polarity of the speakers (phasing). Be sure that the positive terminals of both speakers
are connected together to the same brown wire from the siren. In which case, the
negative terminals of both speakers would also be connected together to the other brown
wire.
PINK LEAD: Connect the pink wire to you ignition-controlled power (or other switched power
source). This will turn the power to your unit on and off.
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. Use #18 AWG wire.
GREEN LEAD: (AUX) Use if you would like to activate the siren’s AIR HORN when the vehicle
horn is pressed. Connect to horn ring circuit or other remote switch. Circuit may be positive
or negative with proper jumper selection. See Auxiliary Input Polarity section on page 4
for jumper details. NOTE: Cut lead short if not used & insulate with electrical tape.
Optionally this may be used to mimic the Manual button function when the vehicle’s horn is
pressed. See Auxiliary control on pages 7-8 for Control Head jumper setting.
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 INSTALLER-SELECTABLE
OPTION section (page 4) for jumper details.
NOTE: Be sure to cut lead short if not used and insulate with electrical tape.
ORANGE LEAD: Used for Horn Ring Transfer Relay, or other low current output. This output is
activated by pushbutton switch S5. Optionally it can be ON at siren boot (see Activate
Horn Ring Transfer on start-up on pages 7-8). The HRT will deactivate the vehicle’s
horn when it is on (S5 on). This allows the driver to use the horn ring to control the siren
without activating the vehicle’s horn.
Connect the Orange wire to the Horn Ring Transfer Relay or other low current device
(Maximum 2A). This output may also be used to drive an external relay when higher
current is required. NOTE: Cut lead short if not used & insulate with electrical tape.
See the HRT Wiring Diagram on page 15 for more detail.
-13-
(Electrical Connections CONT’D)
Light
+12 VDC
To High Current Device
11 OHMS
SPEAKER 2
Dome
Switch
Added Door
+
When PB5 is Turned On
Optional Relay Activated
Door Switch
Siren Wiring Diagram
+12 VDC
Horn
HORN
VEHICLE
Horn Jumper Selected
Negative Switching AUX
+12 VDC
Positive Switching AUX
OR
HORN
VEHICLE
Horn Jumper Selected
Switch/Relay
AUX
Switching
Negative
AUX
Switching
Positive
11 OHMS
SPEAKER 1
+
2 Amp fuse
OR
4 - Red (#14 AWG)
8 - White (#18 AWG)
7 - Brown (#14 AWG)
6 - Blue (#18 AWG)
3 - Blue (#18 AWG)
5 - Black (#14 AWG)
9 - Green (#18 AWG)
12 - Brown (#14 AWG)
11 - Pink (#18 AWG)
10 - Orange (#18 AWG)
Jumper Selected
Positive Switching PK
OR
2 - Black (#14 AWG)
1 - Red (#14 AWG)
Jumper Selected
Negative Switching PK
RADIO
+
to the output jack of radio
Connect the Blue wires to
the terminals of speaker or
+
BATTERY
+12 VDC
Horn
Switch/Relay
+12 VDC
power or other
Ignition controlled
SIREN
AMPLIFIER
switched power source
-14-
(Electrical Connections CONT’D)
Use this wiring diagram if you are connecting the Orange wire to uti lize the Horn Ring Transfer Feature.
Horn Ring Transfer (HRT) Wiring Diagram
This feature de-activates the vehicle horn while pushbutton switch S5 is ac tivated. The diagram below
shows wiring for both positive and ground-side switched h orns, using an installer-supplied relay.
+12 VDC
Cut your horn wire
here and insert the
installer supplied relay
Ground Side
Horn Switch
Green Wire From Amp
Orange Wire From Amp
Connect like
this for
Ground Side
Horn Switch
OR
Connect like
this for
Positive Side
Horn Switch
Orange Wire From Amp
Green Wire From Amp
2 Amp fuse
2 Amp fuse
+12 VDC
Negative Switching
AUX Jumper Selected
Positive Switching
AUX Jumper Selected
Positive Side
Horn Switch
User Supplied Optional SPDT Relays
(Opened When S5 Button Activated)
VEHICLE
HORN
Cut your horn wire
here and insert the
installer supplied relay
-15-
VEHICLE
HORN
(Electrical Connections CONT’D)
LIGHT RELAY CONTROL BOX CONNECTIONS (Amplifier box)
Off L1 L1 & L2 L1, L2, & L3
Control Head
OFF L1 L2 L3
S1 S2 S3 S4 S5
MAN PHSRHFHORN WAIL YELP RADIO
(REFER TO LIGHT WIRE DIAGRAM ON NEXT PAGE, AS WELL AS
TO WIRE SIZE TABLE ON PAGE 12 FOR PROPER WIRE SIZES!)
The electrical connections for input power, slide switch outputs, and the push button
outputs are made to the control box (amplifier) using terminal blocks (top diagram
above).
+12 VDC Input: Connect +12VDC to the 3 large barrier style terminal blocks.
When controlling lights with a large amount of current (>15A) power should
be supplied to all three inputs.
L1, L2, L3 (Center Terminal Block): Connect lights to L1-L3 outputs (20A
max each) that you wish to activate in the corresponding slide switch
positions. (Note: the second slide switch position activates both L1 and L2
and the third slide switch position activates L1, L2 and L3).
S1, S2, S3, S4 (Right Terminal Block): Connect lights to S1-S4 outputs (20A
max each) that you wish to activate with corresponding pushbutton switches
S1-S4.
S5 switches power (low current - 2A or less) to the Orange wire in the wiring
harness. It has an in-line 2A fuse. Typically the horn ring transfer relay is
connected to this switch. This output may also be used to drive an external
relay when higher current is required.
-16-
(Electrical Connections CONT’D)
push button switch S1
Lights to be activated by
Audio/Visual
Warning Device
slide switch position 3
Lights only to be activated by
slide switch positions 2 & 3
Lights only to be activated in both
switch positions 1, 2, & 3
Lights to be activated in slide
Light Wiring Diagram
Audio/Visual
Audio/Visual
Warning Device
push button switch S2
Lights to be activated by
Audio/Visual
Warning Device
push button switch S3
Lights to be activated by
S4 - (#12-16 AWG)
S3 - (#12-16 AWG)
S3 - (#12-16 AWG)
S3 - (#12-16 AWG)
L3 - (#12-16 AWG)
L2 - (#12-16 AWG)
Audio/Visual
Warning Device
push button switch S4
Lights to be activated by
20A
20A
20A
20A
20A
20A
Audio/Visual
Warning Device
2 - Red (#8-12 AWG)
3 - Red (#8-12 AWG)
L1 - (#12-16 AWG)
20A
1 - Red (#8-12 AWG)
Audio/Visual
Warning Device
Warning Device
+
BATTERY
SEE PAGE 12 FOR
AMPLIFIER
CORRECT WIRE SIZING!!!
-17-
Testing - Test all siren functions after installation to
assure proper operation. Test vehicle operation
to assure no damage to vehicle.
Label Insertion
Once the wire connections have been made to S1 through S5, labels can be
inserted into the switches. The product is shipped with 30 different labels for
these push buttons. Select the desired label inserts (provided). Insert the label
into each button and tuck it under the lip of the switch.
The siren labels come pre-installed and may be used for reference when inserting
light function labels
-18-
Operation
GENERAL
This unit is designed for
easy operation under the
stress associated with
high-speed pursuit. Most
light and siren functions
are accessible with one
simple motion of the
slide switch.
LIGHT SLIDE SWITCH
The slide switch is designed for quick pursuit mode operation. The far left position (OFF)
will not activate any outputs.
•
Position 1 will activate the first set of lights (connected to L1).
•
Position 2 activates both the 1st and second set of lights (connected to L1 and L2).
•
Position 3 is generally used for the FULL PURSUIT MODE. It allows for a quick
procedure that will activate both the lights and the siren in one motion.
When the slide switch is moved to Position 3, the following will activate:
All three sets of lights (Connected to L1, L2 and L3 - Each output is protected
with a 20A fuse)
The siren (Wail mode)
•
Position 3: The siren may be disabled in the pursuit mode during installation if desired.
(See page 6 of the INSTALLER-SELECTABLE OPTIONS section for jumper details.).
LIGHT PUSH BUTTON SWITCHES
S1, S2, S3, and S4 control the
devices connected to the
corresponding output terminals
described on pages 16-17. Press
Off L1 L1 & L2 L1, L2, & L3
Control Head
OFF L1 L2 L3
S1 S2 S3 S4 S5
once to activate, then press again
to deactivate.
MAN PHSRHFHORN WAIL YELP RADIO
Optionally, S3 can be set to be a
momentary switch or normally
closed (see Light Control Option
Jumpers on pages 7-8).
Optionally, S4 can be set as a timed “Gun Lock” button (see Light Control
Option Jumpers on pages 7-8).
S5 controls the low current device attached to the Orange wire. Typically it
is used for the Horn Ring Transfer feature (see pages 13-15 for details).
-19-
(Operation CONT’D)
The seven push buttons
across the middle of the
control head allow full
siren operation. When
not activated, these
buttons are backlit in green for nighttime viewing. When activated, an audible
beep is heard, and the backlighting turns red.
MAN (Manual )
In stand-by (no tone) or in the Hands Free Mode, this momentary push
button switch provides a manually activated Wail siren tone while being
pressed. With the Wail, Yelp, or Phaser mode selected, this switch provides
a generally quicker changing tone. (See tables 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, reverts 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. (See page 5
of the INSTALLER-SELECTABLE OPTIONS section for jumper details.).
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 high noise areas. This tone
will override all other siren tones.
HF (Hands Free)
Also known as Horn Ring Cycler, allows the user to cycle through Wail,
Yelp, Phaser, and Standby by repeatedly pressing the horn or other switch
connected to the AUX input. Operating any other mode 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.
WAIL
A normal rise-fall tone used on highways and areas with low traffic or
constant traffic flow.
YELP
A rapid warble tone used in light to moderately congested areas.
PHSR (Phaser)
Ultra-fast warble one used for maximum attention in highly congested areas.
:
RADIO
Also known as Radio Repeat, this function amplifies a radio speaker input
for re-broadcast outside the vehicle through the siren speaker(s). PA is
available, but no siren tones are available in this position
-20-
(Operation CONT’D)
Siren Mode
Selected:
Speaker
Output:
By Default, Activating the Green Auxiliary
Wire Changes the Speaker Output to:
WAIL Wail Air Horn
YELP Yelp Air Horn
PHSR Phaser Air Horn
HF
(Hands
Free)
No Output
Steps through from Standby to Wail to Yelp
to Phaser then repeats.
Radio No Output Air Horn
NONE No Output Air Horn
(NOTE: PHASER and TWO-TONE may be optionally swapped
or disabled via program jumpers.
See INSTALLER-SELECTABLE OPTIONS on pages 3-6.)
The auxiliary wire may be optionally selected to duplicate the function of the
Manual push button instead of the Horn.
See INSTALLER-SELECTABLE OPTIONS on pages 3-6.)
Siren Mode
Selected:
Speaker
Output:
Pressing the Manual Push button
Changes the Speaker Output to:
WAIL Wail Yelp
YELP Yelp Phaser
PHSR Phaser Two-Tone
HF
(Hands Free)
No Output
Radio No Output
NONE No Output
Creates a manual WAIL tone while button is
being held that stops immediately when the
button is released.
Creates a manual WAIL tone while button is
being held that sweeps down when the
button is released.
No Output
-21-
(Operation CONT’D)
VOLUME CONTROLS
Radio Repeat Volume
The radio repeat volume is located
within the rear access cover of the
amplifier. This should be set when
the vehicle is parked. First set the
volume level of the vehicle’s two-way radio to its normal operating volume. Press the
RADIO button of siren controls. Using a small flat blade screwdriver, adjust the
potentiometer as desired.
PA Volume
The PA volume control is provided for public address
volume. This is in the bottom left corner of the
control head. Insert a small, flat blade screwdriver
into the PA volume adjustment port. Turn counterclockwise direction to increase the sound level.
MICROPHONE
The integrated noise-canceling microphone is used for public address operation
and overrides any siren tone when its push-to-talk (button on the side) is pressed.
AUXILIARY INPUT
During installation the vehicle horn ring or other switching device may be
connected to the auxiliary input (AUX/Green wire). This will provide the same
operation as pressing the HORN button. NOTE: This may also be changed to
provide the same operation as the MAN button instead of the HORN button .
(See Light Control Option Jumpers on pages 7-8)
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 portion of
the remote head controller. 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
-22-
Symptom
No power
No siren tone PA works
No siren tone No sound
No PA
Distorted siren
sound
Intermittent
siren tone
Horn function
or
Manual
function stuck
on
No Radio
No or Low
Radio
Wrong siren
tone
Phaser not
working
Lights not
working
Troubleshooting
Possible Cause
No power supplied to +12 terminal
block inputs in amplifier
Connector loose
Amplifier 20A fuse or 5A fuse
blown
Loose connection at power source
High voltage protection
Low voltage protection
Microphone button stuck
Park Kill polarity option set wrong
Park Kill activated
Bad speaker or speaker wiring
PA volume not set properly
Speaker assembly loose
Intermittent Aux. Input connection
Low or high vehicle voltage
High voltage protection
Low voltage protection
Microphone button activation
Circuit breaker in supply connection
Shorted speaker or speaker wire
Siren push button switch stuck
Aux. Input improperly connected
Aux. Input Polarity Option set
Unit not connected to radio
Radio volume too low
Radio outputs not isolated and
Two-Tone option jumper installed
Aux. Input set to wrong function
Phaser disabled
Overloaded or short circuit
wrong
polarity hooked up backwards
Check
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 VDC.
The input must be greater than 10VDC 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?
Loose connection on power lead?
The input must be greater than 10V w/ 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 Siren 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?
Are the radio wires connected to the correct
polarity from the radio output?
Is the TT jumper option properly configured?
Is the AUX jumper option configured
properly?
Is the PD jumper option configured properly?
Check fuse. Check wire connections.
-23-
Fuse Replacement
The fuse panel is accessible by
loosening the two screws in the
cover plate on the amplifier. All
high current light outputs are
protected with a 20A automotive
blade fuse. Refer to the diagram
to the right for proper fuse
location. The control head is
protected with a 5A automotive
blade fuse located under the amp
box cover.
The amp box cover must be
removed to access this fuse.
The fifth light output (S5)
is protected with a 2A inline fuse.
Specifications
Input Voltage
Siren Input Current
Siren Standby Current Less than 10 mA with ignition off
Audio Frequency
Siren Output Power
Siren Frequency
High Voltage Protection 16 - 18 VDC will cause siren output to temporarily cease, resume at normal
Short Circuit Current 50 AMPS (supply circuit must be capable of supplying this)
Operating Temperature -15° F to +140°F
Siren Controls
Diagnostic Indicators Two LED indicators provide diagnostic feedback, one for each speaker
Light Controls
Light Output Ratings 20A fuse on each of the 7 light outputs. (4 push buttons, 3 slide positions)
Siren Connections
(12-Pin Connector)
(Communications Con.)
Light Control
Connections
Size
Boxed Weight
10 - 16 VDC (negative ground)
8.0 Amps @ 13.6 VDC (single 100W speaker), 16 Amps @ 13.6 VDC (dual 100W
speakers)
200Hz - 10 kHz + 3db
105 WATTS RMS MAX. (15.0 VDC - single 100W speaker), 210 WATTS RMS
MAX. (15.0 VDC - dual 100W speakers)
675Hz - 1633Hz
5-illuminated push button switches (Hands Free, Wail, Yelp, Phaser, and Radio)
Momentary push button Horn and Manual/Toggle switch
Auxiliary input connection for re mote Manual/Horn 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)
5 push-on/push-off buttons (1 programmable 8 sec. time delay)
4-position slide switch (Off, L1, L1 & L2, L1 & L2 & L3 & Wail)
Detachable, 12-pin, positive locking connector with pigtail leads for Amplifier
(2) Positive, (2) Negative, (2) Speaker, (2) Radio, Auxiliary, Park Kill
Telephone style communication cable between Control Head and Amplifier
+12 - three position barrier style terminal block
L1, L2, L3 (Slide Switch) 3-position Eurostyle terminal block
S1, S2, S3, S4 (Push buttons) 4-pos ition Eurostyle terminal block
S5 (Push button) flying lead
Amplifier: 2-1/2” High, 7” Wide, 7-3/8” Deep (plus 3/4" flange on eac h side)
Control Head Face Plate: 3-5/16" High X 6-13/16" Wide X 11/16" Deep
ST300: 8.5 lbs.
-24-
Parts
Part Description
SST300-AMP8
Amplifier Only
SST300-CH Remote Control Head for ST300
SWH-43A Amp Wiring Harness
30008-22 25’ Communication Cable Between Control Head and Amp*
P30053-31 Amplifier Case Screws
P30028-8 5 Amp Automotive Blade Fuse
P30028-1 20 Amp Automotive Blade Fuse for Amplifier
P30032-8 TIP36C Power Transistor
P30232-1 Noise Canceling Microphone
P30208-10 Microphone Strain Relief
P30069-38 Microphone Bracket with Screws
* CAUTION: These are not a standard telephone cables and
CANNOT be replaced with one.
No Hassle Guarantee
Providing quality products to professionals who
protect and serve the public is our core purpose.
If you aren’t satisfied with a newly purchased item, simply return
it to us so we can repair it, replace it or refund your money.
To Return Merchandise…
Within the first 60 Days:
Please contact Galls Customer Service Department at (800) 477-7766.
After 60 Days:
Please contact the manufacturer at (585) 226-9025.
If you have any questions concerning this or any other Galls product, please
contact our Customer Service Department at (800) 477-7766.
-25-
Limited Warranty
Galls warrants this new product to be free from defects in material and workmanship, under
normal use and service, for a period of five (5) years from the date of delivery to the first userpurchaser.
During this warranty period the obligation of Galls is limited to repairing or replacing, as Galls
may elect, any part or parts of such product which after examination by Galls 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 GALLS BE LIABLE FOR ANY LOSS OF
PROFITS OR ANY INDIRECT OR CONSEQUENTIAL DAMAGES ARISING OUT OF ANY SUCH
DEFECT IN MATERIALS OR WORKMANSHIP.
Use this table to record the function of your switches.
SLIDE SWITCH FUN CTION S
POSITION 1 POSITION 3
L1 L1
POSITION 2
SAM E AS IN POSITION 1 SAME AS I N POSITIO N 1 & 2
L1
L2
L2
L3
SAME AS IN POSITION 2
PUSH BUTTON SWITC HESSLID E SWITCH
OFF L1 L2 L3
S1 S2 S3 S4 S5
MAN PHSRHFHOR N WAIL YEL P RADIO
PUSH BUTTO N SWITCH FUNCTIONS
S1
S2
S3
-26-
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