4AA BATTERY OPERATION
The FR250 is designed to operate on three AA batteries (not included). Best overall performance results with the use of alkaline or lithium AA batteries. Rechargeable AA batteries can also be used, however they must be charged in their own external charger. Lithium
AAbatteries are more costly and harder to find, yet provide two to four times the
longer
Install the batteries by removing the battery compartment cover and following the battery polarity diagrams imprinted on the underside of the cover. Remove the cover by simultaneously pressing on the inden- tation labeled OPEN and pulling it down toward the bottom of the radio. To play the FR250 on its AA batteries, turn the radio on by set- ting the power selector switch to the BATTERY position.
NOTE: When an AC adaptor is in use, the AA batteries are automatically switched off.
5PREVENTING BATTERY ACID LEAKAGE
To avoid battery acid leakage, only use high quality alkaline, lithium or rechargeable
FR250 OPERATION MANUAL
6EMERGENCY OPERATION WITH NO POWER SOURCE
Even if no power source is available, including the
7USING AN EXTERNAL POWER SOURCE AND
The FR250 can be powered via an AC adaptor/charger (not included). Using an AC adaptor/charger automatically charges the internal
For proper operation, the AC adaptor/charger must meet the specifica- tions described below.
AC ADAPTOR/CHARGER SPECIFICATIONS
Output of 4.5 volt DC; negative polarity;
To power the FR250 with an AC adaptor/charger, plug it into the DC socket on the rear of the FR250 and set the power selector switch to the center DYNAMO/ADAPTOR position.
IMPORTANT NOTE: If using an AC adaptor rated higher than
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