Radio Shack TRC-237 owner manual Powering the CB, Using the Power Jack and ALKALINE/NI-CD Switch

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POWERING THE CB

You can power your TRC-237 from any of these sources (none supplied):

Eight AA alkaline batteries with the two supplied dummy batteries

Ten rechargeable AA nickel- cadmium batteries

12-volt vehicle battery power using a fused power cord

Standard AC power using a power supply

USING THE POWER JACK AND ALKALINE/NI-CD SWITCH

The POWER jack lets you connect an ex- ternal power source (such as your vehi- cle’s battery power or AC power), or connect a battery charger to charge nickel-cadmium batteries while they are in the TRC-237.

The TRC-237 also has a slide switch (AL- KALINE/NI-CD) inside the battery com- partment that you must set correctly, depending on what power source you are using and whether or not you want to charge rechargeable batteries while they are in the TRC-237.

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Contents TRC-237 Features PLL Phase-Locked-Loop FrequencyDigit LED Display lets you easily Battery Test Button and Battery IndicaFlexible Antenna with BNC Connector Automatic Noise Limiter ANL CircuitFCC Information Contents Powering the CB Using the Power Jack and ALKALINE/NI-CD SwitchUsing Batteries Fm Page 8 Thursday, August 5, 1999 1143 AM Fm Page 9 Thursday, August 5, 1999 1143 AM Testing the Battery Power Thursday, August 5, 1999 1143 AM Using Vehicle Battery Power Using AC Power Thursday, August 5, 1999 1143 AM Connecting Antenna Connecting an Optional Antenna Thursday, August 5, 1999 1143 AM Receiving Transmissions Adjusting Squelch OperationThursday, August 5, 1999 1143 AM Transmitting CB Operation Tips Common Uses for a CB RadioUsing Common 10-CODES Code MeaningCode Meaning CB Courtesy Maximum RangeTroubleshooting Symptom SuggestionMaintenance Specifications ReceiverLimited Ninety-Day Warranty