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Plantronics DISCOVER 640 User Manual page 4

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6
USING MULTIPOINT
CONTINUED
while answering another. Therefore, to
answer the second call, the first call
must be terminated.
Terminate the first call by pressing the
call control button once.
FITTING YOUR HEADSET
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The Headset comes with 3 Soft Gel Ear
Tips and an Optional Ear Stabilizer.
The medium size Ear Tip is installed for
wearing on right ear.
1. Twist the Ear Tip to the right for left
ear-wearing.
2. Place the Headset into your ear with
the elongated side of the Ear Tip
pointing up and forward.
If the fit is not comfortable, either too
tight or too loose, remove the Ear Tip
from the Headset by turning the Ear
Tip to the neutral* position and pulling
the Ear Tip away from the Headset.
1. Select the Ear Tip Size that fits more
comfortably in your ear.
2. Hold the Ear Tip with the elongated
edge pointing down and push the Ear
Tip post into the opening on the
Headset.
3. Twist the Ear Tip to the left for right
ear-wearing or to the right for left
ear-wearing.
Wait for the beep and then answer the
second call by pressing the call control
button again. If you choose not to
answer the second call, and you have
voice mail on the second device, the
call will go into voice mail.
4. Place the Headset into your ear with
the elongated side of the Ear Tip
pointing up and forward.
USING OPTIONAL EAR
STABILIZER
The Ear Tip Stabilizer may be attached
to the Headset to improve stability.
1. Remove the Ear Tip from the
Headset by turning ear tip to neutal
position* and pulling ear tip away
from Headset.
2. Attach the Stabilizer in between the
ear tip and the Headset.
3. Replace the Ear Tip.
ANSWERING AND ENDING
CALLS
1. To answer a call, apply a quick press to
the Call Control Button or the Volume/
Mute Button.
2. To end a call, apply a quick press to
the Call Control Button.
If the Headset is in the Headset Carrying
Pocket when a call is received, the
Carrying Pocket will vibrate. Removing
the Headset from the pocket will answer
the call.
Returning the Headset to the Headset
Carrying Pocket will end the call.
ADJUSTING THE VOLUME
To increase the listening volume of the
Headset, press the upper end (+) of the
Volume/Mute Button.
To decrease the listening volume,
press the lower end (-).
USING THE MUTE
To turn the mute on while on a call,
press both sides of the Volume/Mute
Button simultaneously until you hear a
beep.
To turn the mute off, press both buttons
again.
MOVING OUT OF RANGE
As the Headset is moved away from the
cellular phone or Bluetooth device,
• Audio quality will degrade
• A beep will be heard in the Headset,
• Only the power off function will
operate
After 30 seconds, the Headset will
attempt one time to reconnect to the
phone or device.
7

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