Page 1
Carson Manufacturing Co., Inc.
5451 North Rural Street
Indianapolis, IN 46220
Phone: (888) 577-6877 Fax: (317) 254-2667
www.carsonsirens.com
SC-1002/1012-10
SIREN AMPLIFIER W/ LIGHT CONTROL
INSTALLATION AND OPERATING
INSTRUCTIONS
Carson is a trademark of Carson Manufacturing Company, Inc.
SC-1002
OUTPUT
M
A
N
A
U
T
O
MECH
WAIL
Y
ELP
PHSR HORN
LT1 LT2
MAN
AUTO
S
T
B
Y
W
A
I
L
YELP
MECH PHSR
HORN
LT1 LT2
SC-1012
Sound Hazard
- Sound level from siren speaker (>120dBA @ 10 feet) may cause hearing damage.
Do not operate siren without adequate hearing protection for you and anyone in immediate vicinity.
(Ref. OSHA 1910.95 for occupational noise exposure guidelines)
OUTPUT
SC-1000
POWER
LT2
LT1
HORN
PHSR
MECH
Y
ELP
MAN
AUTO
LAMP
NEG
HAND
CONTROL
REMOTE PANEL
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Page 2 of 12 SC-1002/1012-10 Installation Instructions
3/27/07 CP4997A
TABLE OF CONTENTS
GENERAL DESCRIPTION ....................................................................................3
SPECIFICATIONS ................................................................................................. 3
INSTALLATION ..................................................................................................... 4
SAFETY PRECAUTIONS .................................................................................4
UNPACKING ..................................................................................................... 4
MOUNTING ....................................................................................................... 4
OPTION SWITCHES .........................................................................................5
ELECTRICAL CONNECTIONS .........................................................................5
OPERATION .......................................................................................................... 8
POWER ON/OFF ..............................................................................................8
SIREN CONTROLS ..........................................................................................8
Man or Auto Selector Switch .......................................................................8
Mech - Wail - Yelp Selector Switch .............................................................8
Phaser Button (SC-1002) or Rocker (SC-1012) ..........................................8
Horn Button (SC-1002) or Rocker (SC-1012) ..............................................8
Auxiliary Input Functions .............................................................................8
Horn Ring Cycler 2 (HRC2) ........................................................................8
LIGHT CONTROLS ...........................................................................................9
Lighted Rocker Switches LT1 and LT2 ........................................................9
SERVICE ............................................................................................................. 10
PROBLEMS .................................................................................................... 10
PARTS ............................................................................................................ 10
RETURNS .......................................................................................................11
WARRANTY ....................................................................................................11
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.
Carson Manufacturing Co., 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.
Carson Manufacturing Co., 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.
Page 3
SC-1002/1012-10 Installation Instructions Page 3 of 12
CP4997A 3/27/07
GENERAL DESCRIPTION
The SC-1002/1012 Siren Amplifier with Light Control is designed for single 100W speaker use.
The primary operating modes are Mechanical, Wail, Yelp, and Standby, selected by 3-position
rocker switches. Momentary Horn Override, Momentary Phaser Override or push-on/push-off
Phaser operation while in the Mechanical, Wail, and Yelp modes. Manual siren control of Mechanical, Wail, and Yelp. Lights can be controlled with two rocker switches. The SC-1012 is a
remote unit wired to a supplied switch panel or user supplied switches. An internal DIP switch
provides options to change tones, disable tones, HRC2 operation, and Auxiliary input polarity.
The unit utilizes short circuit, high voltage, and reverse polarity protection systems for maximum
service life. An output light indicates siren signal output for troubleshooting.
SPECIFICATIONS
Siren Section
Input Voltage 9 - 16 VDC (negative ground)
Input Current 8 AMPS (@14 VDC - single 100W speaker)
Standby Current < 75 ma (@ 14 VDC w/ enable lead energized)
Output Power 105 WATTS RMS MAX. (15 VDC - single 100W speaker)
Siren Frequency 700Hz - 1500Hz (Mechanical 700Hz - 1600Hz; Two-Tone and Horn = 435 & 585Hz)
Tones / Cycle Rates Horn Mechanical Wail Yelp Phaser Two-Tone
Cycle Rates 109 CPS 5 CPM 13 CPM 190 CPM 15 CPS 60 CPM
High Voltage
Protection
16 - 18 VDC will cause siren output to cease, resume at normal voltage
Short Circuit Current 50 AMPS (supply circuit must be capable of supplying this)
Operating Temp. -15° F to +140°F
Controls Two 3-position rocker switches (Mechanical, Wail, Yelp, Manual, and Standby).
SC-1002 - Pushbutton switches (Horn and Phaser momentary or toggle).
SC-1012 - Momentary rocker switch (Horn and Phaser momentary or toggle).
Auxiliary input programmable for positive or negative activation.
Internal 8-position DIP switch option selector.
Connections Screw down terminals for Positive and Negative Supply; Removable 6-Pos Terminal
Block (2) Speaker, Auxiliary and Enable inputs, (2) light control outputs.
SC-1012 has removable 10-Pos Terminal Block Plug for remote panel.
Light Control Section
Controls Two lighted rocker switches.
Current 20 AMPS per switch, 20 AMPS total
Connections Two light control outputs (see 6-Pos Terminal Block under Siren Connections)
General
Size 6" Wide, 6" Deep, 2" High
Weight SC-1002 - 3 LBS; SC-1012 - 3-1/2 LBS.
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Page 4 of 12 SC-1002/1012-10 Installation Instructions
3/27/07 CP4997A
INSTALLATION
Proper installation of the unit is essential for years of safe, reliable operation. Please read all
instruction before
installing the unit. Failure to follow these instructions can cause serious dam-
age to the unit or vehicle and may void warranties.
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.
Qualifications - The installer must have a firm knowledge of basic electricity, vehicle electrical
systems and emergency equipment.
Mounting - Mount the unit for easy access by the vehicle operator. DO NOT mount in air bag
deployment area. Assure clearances before drilling in vehicle.
Wiring - Use wiring capable of handling the current required. Make sure all connections are tight.
Route wiring to prevent wear, overheating and interference with air bag deployment. Install and
check all wiring before connection to vehicle battery.
Testing - Test all siren functions after installation to assure proper operation. Test vehicle operation to assure no damage to vehicle.
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 contents for shipping damage. If found alert carrier immediately
. Contents should include unit, mounting bracket, amplifier mounting hardware, 6-Pos connector, and these instructions. The SC-1012 is also supplied with a remote panel containing switches, 10-Pos connector,
and 3/16” quick-connect terminals. Contact supplier immediately if any components are missing.
MOUNTING
The mounting bracket supplied can be installed above
or below the unit. Mounting bolts slide into channels
on each side of the case. Lockwashers should be
used between the case and bracket as well as between the bracket and nut. Choose a mounting location convenient to the operator and away from any air
bag deployment areas. Inspect behind mounting area
for clearance. Assure adequate ventilation to prevent
overheating. Consider wire routing and access to
connections. Install mounting bracket to vehicle using
1/4" hardware (not supplied).
SC-1012: The remote panel of the SC-1012 is typically
mounted underneath the vehicle dashboard using
mounting hardware (not supplied). Mount the panel in
a location away from the driver’s or passenger’s legs.
Lockwashers
Nut
Channel
(from rear)
Bolt
Bracket
Sound Hazard
- Sound level from siren speaker (>120dBA @ 10 feet) may cause hearing damage.
Do not operate siren without adequate hearing protection for you and anyone in immediate vicinity.
(Ref. OSHA 1910.95 for occupational noise exposure guidelines)
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SC-1002/1012-10 Installation Instructions Page 5 of 12
CP4997A 3/27/07
OPTION SWITCHES
An internal 8-position DIP switch on the circuit board may be changed to select various options.
Accessing Option Switches - the DIP switch is located just behind the front panel of the amplifier. Use a 7/64” allen wrench to remove the 4 corner screws and front panel.
SW-1 (AUX_P) Auxiliary Input Polarity - The auxiliary input is normally activated with positive.
Turn switch off for negative activation.
SW-2 (INST_ON) Instant ON - The Enable input is normally required to turn on the unit. Turning
this switch on allows the front panel switches to instantly turn on the unit.
(SC-1002 and SC-1012 only)
SW-3 (T-T) Two-Tone - Two-Tone replaces Phaser tone by turning this switch on.
SW-4 (H_I) Horn Inhibit - Horn tone is disabled by turning this switch on. Horn will be replaced
with Yelp.
Tone Disable - All siren tones may be disabled except Wail and Yelp by turning on “T-T” and
“H_I” switches.
SW-5 (HRC) Horn Ring Cycler 2 (HRC2) - While the siren is in standby, the auxiliary input can
cycle through Mechanical, Wail, Yelp, and Phaser tones by repeatedly activating the auxiliary
input. Turn this switch on for HRC2 feature. See OPERATION section for further details.
SW-6 (SM) Short Manual - The Manual siren tone will normally die out and stop when released.
Turn this switch on to have Manual stop immediately.
SW-7 (MECH2) Mechanical Tone 2 - Turn this switch on for a different mechanical tone sound.
SW-8 (FALL) Mechanical Fall - Turn this switch on for a quicker mechanical tone fall time.
ELECTRICAL CONNECTIONS
Electrical connections to the unit are made using terminal block plug(s) and screw terminals located on the amplifier. Label(s) on the unit identifies each terminal function. Install the plug on
the unit before wiring. If the unit needs service the plug can be easily removed without unwiring.
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 amplifier is fused.
Attach leads by stripping 3/8”, inserting into plug and clamp by tightening screw. Make sure the
screw is tight and the wire can’t be pulled out.
Failure to adequately tighten the screw can result in improper operation or burning the
connector and wire.
Wire Size and Termination - The diagram shows the minimum wire size used for each connec-
tion, 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 for installation on the vehicle.
Unit Enable Input Connection - This is like a power switch for the unit. Connect to a positive
circuit controlled by the vehicle ignition switch, usually a terminal at the vehicle fuse panel. The
required current is low (15mA typ.). Permanent power connection is not recommended as this
keeps unit on unattended and may drain battery. The unit may also be configured without this
connection. See Instant ON under OPTION SWITCHES section.
Auxiliary Input Connection - A momentary input typically connected to the horn ring of the vehicle. See Auxiliary Polarity under OPTION SWITCHES section for proper activation polarity.
Input current is 1 to 20 mA.
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Page 6 of 12 SC-1002/1012-10 Installation Instructions
3/27/07 CP4997A
ELECTRICAL CONNECTIONS (ALL MODELS)
BAT
-
+
Plug installed
this orientation
6-P Terminal Block Plug
(CP4956-06)
BLK
RED
(2) #18 AWG BRN
#22 AWG ORG
Unit Enable
(like an ON/OFF switch)
Connect to positive circuit
(fuse panel) controlled by
ignition or other switch
+VDC Switching examples
HORN
RING
SWITCH
+VDC
AUX
SPLICE
HORN
RING
SWITCH
+VDC
AUX
Added
SPDT
Switch
HORN
HORN
-VDC
switching
example
Must set AUX_P
option switch
MOMENTARY
FOOT
SWITCH
AUX
#22 AWG
WHT
15A Automotive
Type Fuse
SIREN
FUSE
LT2
NEG
POS
LT1
ENA
AUX
SPK
SPK
LITE
FUSE
25A Automotive
Type Fuse
Load
1
Load
2
Back of Unit
RED and BLK (Supply)
Recommended Wire Size
Load 1 + Load 2 +
8 for Amplifier
Amps
Size
8 - 10 #16
10 - 15 #14
15 - 25 #12
Use next larger size if
longer than 10 ft.
25 - 28 #10
Load 1 and Load 2
Recommended
Wire Size
Amps Size
5 - 10 #16
10 - 15 #14
15 - 20 #12
Use next larger size if
longer than 10 ft.
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SC-1002/1012-10 Installation Instructions Page 7 of 12
CP4997A 3/27/07
ELECTRICAL CONNECTIONS (SC-1012 only)
Plug installed
this orientation
10-P Terminal Block Plug
(CP4688-10)
Front of Unit
MAN
AUTO
S
T
B
Y
W
A
I
L
YELP
MECH PHSR
HORN
LT1 LT2
SC-1012
LAMP
LT2
LAMP
LT1
PHSR
HORN
MECH
YELP
MAN
AUTO
NEG
Note Top Orientation
LT1 and LT2
Lighted Rocker Switch
Circuit
LAMP
AUTO
MAN
YELP
MECH
PHSR
HORN
LT1
LT2
NEG
REMOTE PANEL
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Page 8 of 12 SC-1002/1012-10 Installation Instructions
3/27/07 CP4997A
OPERATION
SC-1002 and SC-1012 Models
POWER ON/OFF
The unit is enabled (turned on) by applying positive voltage to the orange enable lead. On the
SC-1002, backlight turns on. On the SC-1012 remote amplifier, POWER light comes on.
This is normally controlled with the ignition switch on the vehicle. See INSTALLATION section.
An Instant ON feature may be selected so the unit is turned on when the front panel controls are
activated. See OPTION SWITCHES section.
SIREN CONTROLS
MAN or AUTO SELECTOR SWITCH
A 3-position rocker selector switch controls the primary operating mode
of the siren.
Manual - Provides manual control of Mechanical and Wail tone rise and
fall or momentary Yelp depending on the position of Mech - Wail - Yelp
switch.
Auto - Keeps siren tone running (automatic rise and fall) depending on
the position of Mech - Wail - Yelp switch.
Standby - A silent mode that may be overridden anytime.
MECH - WAIL - YELP SELECTOR SWITCH
A 3-position rocker selector switch controls the primary siren tone.
Mech - A simulated mechanical siren tone. Tone may be changed or
disabled. See OPTION SWITCHES section.
Wail - A slower changing tone used on highways.
Yelp - A rapidly changing tone used in congested areas.
PHASER BUTTON (SC-1002) or ROCKER (SC-1012)
A very rapid changing tone used at intersections and very highly congested
areas. With selector switch in Auto, this tone override is toggled on and off
by repeatedly pressing switch. With selector switch in Standby, this tone
override is momentary as long as the switch is pressed. May be optionally
replaced with Two-Tone or disabled. Two-Tone is two alternating frequencies like a European. See OPTION SWITCHES section.
HORN BUTTON (SC-1002) or ROCKER (SC-1012)
Produces a simulated Air-Horn tone while pressed. Overrides all siren
modes. Horn tone may be disabled. See OPTION SWITCHES section.
AUXILIARY INPUT FUNCTIONS
The switch or horn ring attached is intended to be momentary.
With selector switch in Standby, activating auxiliary is the same function as activating Manual.
Note that the orange enable lead must be activated for the unit to be on while in Standby.
When the selector switch is in Auto activating auxiliary is the same as pressing Horn switch.
Horn Ring Cycler 2 (HRC2) - this feature may also be added by turning on the HRC2 option.
HRC2 is only available while the unit is in Standby. Tapping the attached horn ring or other
switch, will bring the unit out of standby into Mechanical tone. Repeatedly tapping the horn ring
will cycle through Mechanical, Wail, Yelp, and Phaser tones. Tapping the horn ring twice quickly
will stop the siren tones and return the unit to standby. Pressing and holding the horn ring will
produce Horn tone until released. Then the siren will return to its previous siren tone or standby.
MAN
AUTO
S
T
B
Y
W
A
I
L
YELP
MECH
PHSR HOR
N
SC-1002
PHSR
HORN
SC-1012
Selector
Position
Mech - Wail - Yelp
Position
Phaser
Switch
Auxiliary Input
(Horn Ring)
Standby Silent Momentary Phaser Man. Mech., Wail, or Yelp or HRC2
Manual Man. Mech., Wail, or Yelp Phaser Toggle Momentary Horn
Auto Mechanical, Wail, or Yelp Phaser Toggle Momentary Horn
Sound Hazard
- Sound level from siren speaker (>120dBA @ 10 feet) may cause hearing damage.
Do not operate siren without adequate hearing protection for you and anyone in immediate vicinity.
(Ref. OSHA 1910.95 for occupational noise exposure guidelines)
Page 9
SC-1002/1012-10 Installation Instructions Page 9 of 12
CP4997A 3/27/07
OPERATION (SC-1002 and SC-1012 Models continued)
LIGHT CONTROLS
LIGHTED ROCKER SWITCHES LT1 and LT2
When turned on the rocker switch will light up and activate the
corresponding light output.
LT1 LT2
Page 10
Page 10 of 12 SC-1002/1012-10 Installation Instructions
3/27/07 CP4997A
SERVICE
This unit is designed to provide years of reliable service under even the worst conditions. Many
times there may appear to be a problem with the unit when the true problem is in the speaker,
controlled devices, or improper installation. The following chart shows typical symptoms and
possible causes.
A blown siren fuse doesn't necessarily mean that the unit is bad. If a speaker or speaker lead is
shorted the fuse will blow before the unit is damaged. Disconnect the SPKR leads and replace
the fuse. If the OUTPUT light comes on with siren power enabled and Wail mode selected it is
OK. Check the speaker or leads for possible shorting.
PROBLEMS
PARTS
The following parts are available from Carson Manufacturing Company, Inc.:
Part Description
CP4062-K2523 3/16” quick-connect terminal - AMP#2-520194-2 or equivalent (SC-1012 only)
ED1602 Hardware Kit (bolts, nuts, lockwashers)
CP3571 Bracket, mounting
CP4956-06 Connector, 6-pin Terminal Block Plug
CP4688-10 Connector, 10-pin Terminal Block Plug (SC-1012 only)
CP4990-150 Fuse, 15 Amp Mini Automotive (Siren)
CP4990-250 Fuse, 25 Amp Mini Automotive (Lite)
CP4748-2 Switch, Red Rocker ON - OFF - ON (Mech - Wail - Yelp)
CP4751-2 Switch, Momentary Red Rocker Switch, (ON) - OFF - (ON) (Phsr - Horn) (SC-1012 only)
CP4995-2 Switch, Red Rocker (ON) - OFF - ON (Man - Standby - Auto)
CP4993 Switch, Lighted Rocker for Light Control
CP4998 Transistor, output (replace in pairs, 2 required)
SC-1012-10CH SC-1012 Remote Panel Assembly (includes rocker switches)
CP4997 Instruction Manual
Symptom Possible Cause Check
No power or siren
output
No power to enable input
Bad speaker
Connector(s) loose
Rear panel fuse blown
Loose connection at power source
Does backlighting or POWER light (SC-1012) come on?
Is the OUTPUT light on face coming on in Wail?
Do you hear a "pop" when turned on?
Is an external fuse or circuit breaker used?
Are the negative leads connected to a good ground?
No siren tones Bad Speaker
High Voltage Protection
Is the OUTPUT light on face coming on in Wail?
Input voltage must be less than highest rated voltage.
Distorted siren
sound
Speaker assembly loose
Intermittent Aux Input connection
Low vehicle voltage
Is the speaker bell or tip loose?
Is the Aux Input used and wired properly?
Input voltage must be greater than lowest rated voltage.
Intermittent siren
tone
High Voltage Protection
Connector loose
Bad power connection
Circuit breaker in supply connection
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?
Is a circuit breaker used with at least a 50A rating?
Horn function
stuck on or
Manual stuck on
Horn or Manual switch stuck
Aux Input improperly connected
Aux Input Polarity Option set wrong
Does the horn or manual switch return when released?
Is the Aux Input used and wired properly?
Is the AUX_P option properly configured?
Wrong siren tone Two-Tone option installed
Tones disabled.
Is the T-T option selected?
Check option switch settings.
Some siren tones
not working
Tone disabled Check option switch settings.
Light switches not
working
Loose output connections
Rear panel fuse blown
Do the Light Control switch indicators light?
Is the corresponding fuse blown?
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SC-1002/1012-10 Installation Instructions Page 11 of 12
CP4997A 3/27/07
RETURNS
If you have any questions concerning this or any other Carson product, please contact our Technical Service Department at (888) 577-6877. Many issues can be handled over the phone. We
can also be reached via e-mail at service@carsonsirens.com
If a product must be returned for any reason, please contact our Technical Service Department to
obtain a Returned Merchandise Authorization number (RMA#) before you ship the product to
Carson. Please write the RMA# clearly on the package near the mailing label. Be sure to provide
a return address, contact and phone number, along with a brief description of the problem.
LIMITED WARRANTY
Carson Manufacturing Company, Inc. warrants this new product to be free from defec ts in
material and workmanship, under normal use and service, for a period of five (5) years from
the date of delivery to the first user-purchaser.
During this warranty period the obligation of Carson Manufac turing is lim ited to repairing or
replacing, as Carson Manufacturing may elect, any part or parts of such product which after
exam ination by Carson Manufacturing is determined to be defective in material and/or workmans hip.
This warranty does not cov er labor charges for removal or re-installation of the product.
Fuses and lamps are not c overed under this warranty.
This warranty does not extend to any unit that has been subjec ted to abuse, m isuse, 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 Carson Mfg.
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 CARSON MANUFACTURING
COMPANY, INC. BE LIABLE FOR ANY LOSS OF PROFITS OR ANY INDIRECT OR CONSEQUENTIAL DAMAGES ARISING OUT OF ANY SUCH DEFECT IN MATERIALS OR
WORKMANSHIP.
Page 12
Page 12 of 12 SC-1002/1012-10 Installation Instructions
3/27/07 CP4997A
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