Carson Manufacturing Co., Inc. 5451 North Rural Street Indianapolis, IN 46220 Phone: (888) 577-6877 Fax: (317) 254-2667 www.carsonsirens.com SC-407 Ver. B LIGHT CONTROL / SIREN AMPLIFIER Ver. B has different Auxiliary and Cutout Input Polarity Options SC-407 YELP STBY WAIL ON OFF RAD MAN/PHSR L ALY OFF 1 2 HORN R ALY VOLUME RAD AUX 1 PA AUX 2 3 Carson INSTALLATION AND OPERATING INSTRUCTIONS Carson is a trademark of Carson Manufacturing Company, Inc.
Page 2 of 12 SC-407-10 Ver. B Installation and Operating Instructions TABLE OF CONTENTS GENERAL DESCRIPTION ....................................................................................3 SPECIFICATIONS .................................................................................................3 INSTALLATION .....................................................................................................4 SAFETY PRECAUTIONS ...................................................................
SC-407-10 Ver. B Installation and Operating Instructions Page 3 of 12 GENERAL DESCRIPTION The SC-407 Light Control/Siren is a premium unit designed for single or dual 100W speaker use and lighting control. The primary siren operating modes are Yelp, Wail, Standby and Radio. A Noise Canceling PA Override and push-button Horn Override are available in all modes except Radio.
Page 4 of 12 SC-407-10 Ver. B Installation and Operating Instructions 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 damage 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.
SC-407-10 Ver. B Installation and Operating Instructions Page 5 of 12 Horn Disable - The Horn function can be disabled by cutting the trace on the back of the board at the location designated "cut to disable horn". Automatic Siren Disable - To disable automatic siren operation when the lever switch is in position 3 cut and remove the red wire attached to the lever switch relay board.
Page 6 of 12 SC-407-10 Ver. B Installation and Operating Instructions LIGHT CONTROL CONNECTIONS In addition to these instructions a label located on the bottom of the unit shows the light control switch connections. Fuses / Breakers The lighting control circuits of this unit are not fused. Automotive fuses or circuit breakers must be connected between the power source and the unit properly rated for the circuit requirements.
SC-407-10 Ver. B Installation and Operating Instructions Page 7 of 12 Light Control Rocker Switch Connections The following diagram shows proper connection of the rocker switch leads located at the rear. Note: Negative (NEG) connection must also be made on 10-Pin plug for rocker switches to light up. WARNING: The lighting control circuits of this unit are not fused. Automotive fuses or circuit breakers must be connected between the power source and the unit properly rated for the circuit requirements.
Page 8 of 12 SC-407-10 Ver. B Installation and Operating Instructions OPERATION 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) GENERAL This unit is designed for easy operation under the stress associated with high-speed pursuit.
SC-407-10 Ver. B Installation and Operating Instructions Page 9 of 12 Horn Ring Cycler 2 (Optional) During installation, the auxiliary input may be connected to the horn ring or other switching device, and the HRC2 option programmed. With the Selector Switch set to the STBY position, tap the horn ring to bring the unit out of standby into Wail tone. Repeatedly tapping the horn ring will cycle through Wail, Yelp, and Phaser tones.
Page 10 of 12 SC-407-10 Ver. B Installation and Operating Instructions 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(s) or improper installation. The following chart shows typical symptoms and possible causes. A blown internal fuse doesn't necessarily mean that the unit is bad.
SC-407-10 Ver. B Installation and Operating Instructions Page 11 of 12 PARTS The following parts are available from Carson Manufacturing Company, Inc.
Page 12 of 12 SC-407-10 Ver. B Installation and Operating Instructions RETURN 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.
