Galls Street Thunder ST280 Installation And Operating Instructions Manual
Siren amplifier with light controls
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Page 1: Light Controls
Street Thunder ™ ST280 SIREN AMPLIFIER WITH LIGHT CONTROLS INSTALLATION AND OPERATING INSTRUCTIONS 1340 Russell Cave Road / P.O. Box 54308 Lexington, KY 40505 Tel: (800) 477-7766 Fax: (800) 944-2557 Website: www.galls.com PLITSTR311 REV. D 4/25/05... -
Page 2: Table Of Contents
Galls 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: General Description
GENERAL DESCRIPTION The ST280 Siren Amplifier is a premium 200W unit designed for single or dual 100W speaker use and full lighting control. The primary operating modes are Thunder, Yelp, Wail, Hands Free, Manual, PA, and Radio. A Noise Canceling PA Override and push-button Horn Override are available in all modes. -
Page 4: Installer-Selectable Options
Installer Selectable Options (Jumper Settings) The ST280 has several options that can be selected during installation. Jumpers on the printed circuit board, inside the case, allow the installer to select these various options. These options should be set before installation of the unit. Auxiliary input polarity Park Kill input polarity Two-tone replacement of Thunder tone... - Page 5 Installer Selectable Options (continued) Park Kill Input Polarity - The park kill (cutout) input turns off any siren tone output when activated (i.e. vehicle shifted into park, door opened, etc.), and remains off until a control on the siren is activated or changed. The wiring diagram on page 8 shows two connection examples.
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Page 6: Mounting
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. -
Page 7: Siren Electrical Connections
Please follow these guidelines when wiring the siren: • 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. •... - Page 8 Siren Wiring Connections (CONTD) Optional Connections: BLUE: (Pins 3 & 6) Input From Radio - Used 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 case polarity would not be important.
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Page 10: Lighting Electrical Connections
Light Wiring Connections: Red: (8 AWG) +12VDC Power - The two large red wires exiting the back of the siren should be connected to +12VDC. They will supply the power to the lights hooked up to the 9-pin connector. You must connect BOTH red wires. -
Page 11: Lighting Wiring Diagram
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Page 12: Operation
OPERATION 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. LIGHT SLIDE SWITCH The slide switch is designed for quick pursuit mode operation. -
Page 13: Selector Switch
SELECTOR SWITCH Whenever +12VDC is applied to the yellow wire, the siren will be "on" in the selected mode. The rotary selector switch controls the primary operating function of the siren. Thunder - Ultra-fast changing tone used for maximum attention. Yelp - A rapidly changing tone used in congested areas. -
Page 14: Manual/Horn Rocker Switch
MANUAL / HORN MOMENTARY ROCKER SWITCH The front panel of the ST280 contains a momentary rocker switch that operates the Manual function when the left side is depressed and the Air Horn when the right side is depressed. Manual – Pressing the left side of this momentary rocker switch provides a generally quicker changing tone when the selector switch is in the Wail, Yelp or Thunder positions. -
Page 15: Volume Controls
VOLUME CONTROLS The radio repeat volume (Radio) control is recessed in the upper left hand corner of the front face. 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. -
Page 16: Service
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. -
Page 17: Specifications
Shipping Weight 6 lbs. 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 seven (7) years from the date of delivery to the first user-purchaser. -
Page 18: Return
Simply follow the instructions on the reverse side of the packing slip that comes with your order. Galls provides a preaddressed label for you to affix to the package. If you don't have your packing slip, place the item in the original packaging (along with a brief explanation for the return), then place in a second box to prevent damage.
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