Plantronics W740A-M Headphones User Manual


 
Now that you’ve assembled your headset, installed the software and
connected your phones, read this section to learn about the headset
features, how to use the controls and more.
1
Volume/Mute button
Increase the volume
Press the volume button up
Decrease the volume Press the volume button down
Mute/unmute a call To mute/unmute the headset, press the volume/mute button in
Flash between calls During a call, long press the volume button up or down for 1.5 seconds
2
Call button
Place, answer, end a call
Short press the call control button
3
Headset LED
Flashes white when in use
WARNINGS For your safety, do not use headset at high volumes for extended periods of time.
Doing so can cause hearing loss. Always listen at moderate levels. For more information on headsets
and hearing, visit plantronics.com/healthandsafety.
If the headset battery is installed and charged, the headset is automatically on. The headset
does not have an on/off button. If you won’t be using the headset for a long period of time and
the headset will not be in the charging cradle, place the headset in sleep mode or remove the
battery.
Place the headset in sleep mode
Placing the headset in sleep mode with a fully charged battery will provide up to 50 hours of
standby time.
1
While the headset is idle, press the call button for three seconds until you see the headset flash
white twice. .
2
To wake the headset, press the call button again until you see two white flashes or hear three
high tones.
Battery storage time
If you remove a fully charged battery from the headset, it will provide up to 75 days of battery
storage time, stored under normal conditions.
Talk time
With a single full charge, the headset will provide up to 7 hours of continual talk time. Talk time
will be reduced when operating in wideband mode and/or if the headset is used consistently at
Headset features
Headset controls
Headset power
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