Plantronics Voyager PRO UC - Manual (Page 7)

7 7
Charge your headset before using. Plug in your headset and
place on a flat non-metallic surface. The Smart Sensors in your
headset fully calibrate while charging. When fully charged, the LED
goes off.
NOTE Always charge at near room temperatures; never charge
battery at temperatures below 0ºC (32ºF) or above 40ºC (104ºF).
Check battery level and Smart Sensor
To check the battery status, the headset must be powered on. While wearing the headset short
press power button and a voice alert will advise you of the talk time you have remaining on
your current charge. If you hear a beep after the remaining talk time your Smart Sensors are
not calibrated properly. Remove headset from your ear and place headset flat on a non-metallic
surface and connect to the AC charger or the USB cable charger for 10 seconds to recalibrate
the Smart Sensors. While not wearing your headset short press the power button and the
indicator light flashes red to show the battery charge level as shown below.
Charge indicator lights
Red flashes Battery level
More than 2/3 full
1/3 to 2/3 full
Less than 1/3 full
USB cable
A USB cable is supplied to allow you to charge the headset from a PC’s USB port. The PC must
be powered on to charge via USB 2.0 or higher.
When the battery charge is very low, a tone and voice prompt will automatically occur.
Low battery warnings
Battery level Tone Voice prompt
30 minutes of talk time
remaining (this alert only
occurs during an active call) Double high tone every 15
minutes “Battery Low” repeats every
30 minutes
10 minutes of talk time
remaining Triple high tone every 30
seconds “Recharge Battery” repeats every
3 minutes
charging time
30 min ...........................
Minimum charge
before first use
1.5 hours ......................
Full charge
Charge your headset