Icom ID-51A PLUS2 Advanced Owners Manual - Page 32
Optional battery case
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Previous view 4 BATTERY CHARGING ■■Optional battery case When using the BP-273 battery case, install three AA (LR6) size alkaline batteries, as described below. qqRemove the battery case if it is attached. (p. 1-2) wwInstall three AA (LR6) size alkaline batteries. • Install only alkaline batteries. • Be sure to observe the correct polarity. eeAttach the battery case. (p. 1-2) TIP: A built-in step-up converter in the BP-273 increases the voltage to 5.5 V DC. Approximately 100 mW of output power is possible with the BP-273 operation. Also, the transmit output power selection is disabled. CAUTION: • When installing batteries, make sure they are all the same brand, type and capacity. Also, do not mix new and old batteries together. • Keep the battery terminals clean. It's a good idea to occasionally clean them. • Never incinerate used battery cells since the internal battery gas may cause them to rupture. • Never expose a detached battery case to water. If the battery case gets wet, be sure to wipe it dry before using it. • Never use batteries whose insulated covering is damaged. • Remove the alkaline batteries when battery case is not used. Otherwise the installed alkaline batteries will exhausted due to built-in step-up converter. DDBattery life The approximate battery life (operating time) as shown below is calculated under the following assumptions; • Power save setting: Auto (Short) • Duty cycle: TX : RX : Stand-by = 1 : 1: 8 (based on operating style) FM mode DV mode Approx. 7.5 hrs. Approx. 7 hrs. NOTE: • The battery life may differ, depending on the operat- ing style or the installed alkaline batteries. • The batteries may seem to have low capacity when used in low temperatures, such as -10°C (+14°F) or below. Keep the batteries warm in this case. DDAbout the battery replacement When the alkaline batteries are almost exhausted, "LOW BATᐜT㔞ER⾲Y♧" is displayed and the battery icon starts to blink. After 10 seconds, the transceiver power is automatically turned OFF. In that case, replace all batteries with new alkaline batteries. TIP: When the BP-273 battery case is attached to the transceiver, the battery icon cannot display the battery capac໓ity of the alkaline batteries. The battery icon stays " ," and it does not reflect with the true battery capa㟁c⾲ity.♧ 4-4