INTRODUCTION This manual contains installation instructions for the FMD Mobile Radio and associated accessories. Included are mounting and cabling instructions. Interconnection and wiring diagrams are provided at the back of the manual. Before installation, the radio personality should be programmed. Refer to the applicable programming manual for instructions.
UNPACKING AND CHECKING EQUIPMENT When ready for installation, carefully unpack the radio and any accesso- ries. It is recommended that you identify each item in the packing case. If any damage has occurred to the equipment during shipment, file a claim with the carrier immediately.
It is suggested that you take advantage of the experience of one of the many authorized Service Stations located throughout the United States by having them install your radio and make the final adjustments. A typical in- stallation is shown in Figure 2. WARNING Interference with vehicular electronics - Electronic fuel injection systems, electronic anti-skid braking systems, electronic cruise con-...
Radio installation in vehicles powered by liquefied petroleum gas, with the LP gas container in the trunk or other sealed-off space within the interior of the vehicle, must conform to the National Fire Protection Association Standard NFPA58 which requires that: •...
Emergency Switch No modifications are required to use the optional emergency switch. Re- fer to the connection diagram for wiring details. External And Remote Internal Speakers No modifications are required to use a single external speaker with the radio (a horn speaker is configured as an external speaker). If a remote inter- nal speaker is used in addition to the external speaker, the radio jumper con- figuration must be changed.
Bypass Ignition Switch The bypass ignition switch option allows the radio to be operated at all times. In this configuration, the ignition switch may be turned off and the ra- dio will continue to operate. Refer to Table 1, the connection diagram, and the power cable installation section of this manual.
If an existing hole is not conveniently located for passing the power ca- ble through the fire wall, drill a hole and insert the rubber grommet pro- vided. Leave at least 18 inches of slack in the plug end of the cables next to the radio.
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Figure 6 - Power Cable CAUTION Certain problems maybe encountered when accessory equipment is connected to the ignition or accessory lines. In some vehicles these lines have large filter capacitors or a leakage path is present. If the equipment does not turn off within a reasonable amount of time after the ignition is turned off, first verify that the radio jumpers are in their correct positions.
A three-wire cable is used to provide power to the radio. The red fused lead supplies power to the radio directly from the vehicle battery. The yellow fused lead is an ignition sense lead. It is used by the radio electronics to de- termine when the ignition switch is turned on.
Figure 8 - Microphone And Microphone Hanger ANTENNA Installation instructions for the antenna are packaged with the antenna. The antenna must be installed in accordance with good engineering practices for optimum results. The most effective mounting position is usually in the center of the roof of the vehicle.
INSTALLATION NOTE Refer to the operator’s manual for the external speaker volume ad- justment procedure. 1. Mount the speaker in the desired location and make the electrical con- nections indicated in Figure 9. Figure 9 - Horn Speaker Mounting 2. Using the backplate as a template, mark and drill two 13/64-inch holes for the backplate retaining screws, and four 9/32-inch holes for the speaker mounting screws.
5. Connect the speaker cable leads and the speaker leads using the two splice connectors supplied. 6. Provide strain relief for the speaker cable using a standard cable clamp (not supplied). 7. Mount the speaker using four 1/4 x 7/8 inch screws and lock washers supplied.
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