Radio Shack TRC-442 owner manual Using Vehicle Battery Power

Models: TRC-442

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USING VEHICLE

21-1586.fm Page 8 Thursday, August 5, 1999 9:50 AM

Cautions:

Do not run the cable over sharp edges or moving parts that might damage it.

Do not run the cable next to power cables or other CB antenna cables.

Do not run the cable through a vehicle’s engine compartment or other areas that produce extreme heat.

Note: To achieve your radio’s maxi- mum range, adjust the antenna’s Standing Wave Ratio (SWR) using an SWR meter (not supplied).

Follow the instructions supplied with the SWR meter and antenna to adjust your antenna’s SWR to the lowest pos- sible value. SWR values of 2.0:1 are generally acceptable, with readings of 1.5:1 or lower being more desirable.

USING VEHICLE

BATTERY POWER

You can power this CB from your vehi- cle’s battery or from standard AC pow- er with an optional DC power supply. For information on using AC power, see “Using the CB as a Base Station” on Page 9.

Follow these steps to power the CB from your vehicle’s battery.

Manual backgroundManual backgroundManual backgroundManual background Red wire to switched Manual backgroundManual backgroundManual backgroundManual backgroundManual backgroundManual backgroundaccessory terminal

Black wire to vehicle’s frame

or battery (–)

1.Connect the red wire, with the in- line fuse, to a source of voltage that turns on and off with the igni- tion switch, such as a spare accessory terminal in your vehi- cle’s fuse box. This prevents the battery from being drained if you leave the CB on when you turn off the ignition.

2.Connect the black wire to your vehicle battery’s negative (–) ter- minal or to a metal part of the vehicle’s frame that is not insu- lated from the frame by a plastic part.

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Radio Shack TRC-442 owner manual Using Vehicle Battery Power