ASTRO XTS 4250 Digital Portable Radio, Advanced Model 101
Helpful Tips
LED and Sounds
When your battery is low:
• you see the LED flash red when the PTT button is pressed
• you hear a low-battery “chirp” (short, high-pitched tone)
Conventional Fuel Gauge Symbol
A flashing fuel gauge symbol (
b) is displayed only when the
battery voltage drops to low level. In this case, replace the battery
with a fully charged one.
Smart Fuel Gauge Symbol
Consult the Smart Battery manual. All conditions must be met for a
battery to be classified as a “Smart Battery.” When your radio has a
Smart Battery installed, the fuel gauge symbol is always displayed.
Replace the battery with a fully charged one when the fuel gauge
shows the lowest level.
Gauge shows if the battery’s charge is
b
71% to 100% full
j
41% to 70%
k
11% to 40%
l
10% or less (at 10%, the gauge begins flashing)
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