Whistler BT3200 - Manual (Page 7)

Recharging Headset - (continued)
2). Connect the headset to the charger as described. Please make sure that the
charger plug is inserted correctly into the headset.
3). The red LED is illuminated during the charging process. When the headset is fully
charged, the red LED turns off. Disconnect the charger unit from the headset after
the charging process.
4). If the battery status is low, you will hear a warning signal in the headset.
Check Battery Status
Press both volume keys (+&-) for 10 seconds from power off status and then release. The
red LED will indicate the battery status.
Low Battery: The red LED will flash approximately 4 times (fast)
Medium Battery: The red LED will flash approximately 2 times (slower)
Full Battery: The red LED will flash one time (long flash).
Storing and Recharging Headset Storing and Recharging Headset
Battery Charge / Usage Time
The usage times may vary depending on the number of connected systems.
The battery must be replaced by Whistler personnel.
10 11
Model
Charge
Time
Usage Time
Stand-by Speaking/music/intercom
BT2200/2300
BT3200/3300
~ 3h
~180h ~14h
~90h ~7h