Icom ID-52A Advanced Manual english - Page 27
About the optional battery case, Battery life, About the battery replacement
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3 BATTERY CHARGING About the optional battery case The BP-273 uses three AA (LR6) size alkaline batteries. 1. Remove the battery case top, as shown below. 2. Install three AA (LR6) size alkaline batteries. LLInstall only alkaline batteries. LLBE SURE to observe the correct polarity. 3. Attach the battery case. (p. 1-2) BP-273 Alkaline battery Batteries cautions •• When installing batteries, confirm that they are all the same brand, type, and capacity. Do not mix new and old batteries together. •• DO NOT incinerate used battery cells since the internal battery gas may cause them to rupture. •• DO NOT expose a detached battery case to water. If the battery case gets wet, BE SURE to wipe it dry before using it. •• DO NOT use batteries whose insulated covering is damaged. •• Keep the battery terminals clean. It's a good idea to clean them occasionally. •• Remove the alkaline batteries when the battery case is not used. Otherwise, the installed alkaline batteries will be exhausted due to the built-in stepup converter. 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 using the case. Also, the transmit output power selection is disabled. •• The transceiver meets IPX4 requirements for waterproof protection when the BP-273 is attached. •• 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. 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) The approximate battery life: FM mode 4.5 hours LLThe battery life may differ, depending on your operating style, or the installed alkaline batteries. DDAbout the battery replacement When the alkaline batteries are almost exhausted, "LOW BATTERY" is displayed, and the battery icon starts to blink. After 10 seconds, the transceiver power is automatically turned OFF. In that case, replace all 3 batteries with new alkaline batteries. LLThe battery icon for the BP-273 cannot display the capacity of the alkaline batteries. The battery icon always displays " ," and it does not reflect with the true battery capacity. 3-8