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General| Brand | Federal Signal Corporation |
|---|---|
| Model | Unitrol 280 Series |
| Category | Motorcycle Accessories |
| Language | English |
Explains automatic circuitry protecting output transistors from failures and automatic resumption of operation.
Advises on operating temperature range and cabinet waterproofing for the amplifier.
Describes amplifier installation with remote or single-unit control configurations.
Details model components, and optional equipment like air horn and PA kit.
Provides instructions for setting the slide switch and mounting the amplifier unit.
Covers wiring the siren speaker, harness connections, and air horn setup.
Describes the Model 180K system, switch functions, and optional equipment.
Details mounting the amplifier and connecting primary wires to the battery.
Guides on toggle switch, horn button, sound choice, warning light, and speaker connections.
Describes PA kit availability and wiring for models 80KM & 180K.
Explains how the PA kit functions, stopping siren sounds during announcements.
Guides on locating space, drilling, and connecting the PA jack and microphone.
Details the Model 183K system, its controller, amplifier, and features.
Explains connections for B1 and B2 terminals on the rear of the unit.
Describes operation of the progressive slide switch and toggle switch.
Instructions for connecting the horn ring to the control unit.
Outlines common features for models 280K and 480K, including warning lights and PA.
Explains how toggle and lever positions control siren and warning lights.
Details operation of air horn and siren test functions for models 280K and 480K.
Covers radio power control, microphone PA, and recorded tape PA functions.
Details standard/optional equipment, PA microphone, and pigtail wire connections.
Explains audio and control wiring for two-way radios.
Provides guidance on selecting appropriate wire sizes for primary wiring.
Instructions for using a foot switch for siren controls.
Details numbered wires for warning lights and suggests connection methods.
Covers wire sizes, current limits, and higher current capacity using relays.
Covers alarm purpose, motion detectors, individual switches, and warnings.
Guides on required equipment, installation, and preliminary/final connections.
Guides on required equipment, installation, and preliminary/final connections.
Lists detailed specifications for amplifier current drain, output, and frequencies.
Covers using the power jack and tape jack for accessories and audio.
Explains the importance of wire size for operation and safety.
Instructions for replacing indicator lights on the control units.
Outlines the warranty period, coverage, and limitations for Unitrol products.
Provides contact information for factory support and troubleshooting advice.
Requirements for using light/siren systems, including vehicle operation knowledge.
Warnings about hearing damage from loud siren sounds and the need for protection.
Covers sound limitations, signaling limitations, and driving limitations.
Recommends filing instructions and providing copies to new personnel.
Necessary understanding for installers regarding electrical systems and safety equipment.
Risks of hearing damage from loud siren sounds during installation and use.
Covers procedures during installation and after installation testing.
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