User Guide
Page 7
...during a call from phone to clear indicator LED. Double tone when min/max volume level reached. Doing so can cause hearing loss. See www.plantronics.com/healthandsafety for from While on a call, press headset to phone or call Tap any button to headset 1 second. Headset Controls and Indicators ... only occur during a call . WARNING Do not use headsets at each change in volume. None Mute on: sequence starts with the high-low tones plus voice prompt "Mute On" (in English). Indicator LED On: blue glow for 2 seconds Off: red glow for an extended period of time. Tone...
...during a call from phone to clear indicator LED. Double tone when min/max volume level reached. Doing so can cause hearing loss. See www.plantronics.com/healthandsafety for from While on a call, press headset to phone or call Tap any button to headset 1 second. Headset Controls and Indicators ... only occur during a call . WARNING Do not use headsets at each change in volume. None Mute on: sequence starts with the high-low tones plus voice prompt "Mute On" (in English). Indicator LED On: blue glow for 2 seconds Off: red glow for an extended period of time. Tone...