LED and Sounds
When your battery is low:
• the LED blinks red when the PTT button is pressed.
• you hear a low-battery “chirp” (short, high-pitched tone).
Fuel Gauge Icons
A blinking fuel gauge icon ( ) is displayed only when the
battery voltage drops to low level. In this case, replace the
battery with a fully charged one.
Gauge Battery Charge
Top Display:
76% to 100% full 
3
Table continued…
Gauge Battery Charge
Top Display:
51% to 75% 
3
Top Display:
26% to 50% 
3
Top Display:
11% to 25% 
3
Table continued…
3
These are for IMPRES battery operation only.
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