Battery
This product has a replaceable battery. To ensure replacement batteries meet Plantronics high quality standards and for optimal performance, only use replacement batteries provided by Plantronics.
Low Battery Warning
If you are on a call and the headset battery is critically low, you will hear a repeated single low tone every 15 seconds indicating that the battery is low. You should recharge the headset immediately.
If you are not on a call and press the call control button, you will hear three low tones if the battery is critically low. You should recharge the headset immediately.
Muting Your Headset During a Call
To mute/unmute the call, press the mute button.
When mute is activated, the Call/mute LED on the base will be solid red and you will hear three high tones (you will still be able to hear the caller).
Adjusting Your Headset Volume
Make set up volume adjustments for the desk phone with the base volume dials.
Out of Range Warning Tones
If you are on a call and go out of the operating range, you will hear three low tones. You will hear a single mid tone when you are back in range.
If you stay out of range, an active call will be suspended. The call will be
If you are not on a call and go out of the operating range and then press the call control button, you will hear a single tone for the button press and three low tones for the failure to make a link.
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