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TROUBLESHOOTING
Problem Solution
Problem Solution
I plugged everything in but
the lights won’t come on.
• Check that the AC charger jack is connected to the base unit.
• Check that the AC charger is securely connected to a working
wall outlet.
• Check that the AC charger is the model supplied by Plantronics.
My headset does not work
w
ith the base unit.
• Check that the phone is connected to the base unit’s phone cord
j
ack and it is pushed in firmly.
• Check that the phone handset is connected to the base’s phone
handset jack and it is pushed in firmly.
• Headset may be out of range of the base. Move closer to base
unit until headset is within range. Range varies with office
environment.
• Headset battery is dead. Recharge the battery by placing the
headset in the headset charging cradle or by using the AC
charger supplied. See page 9.
• Listening volume too low. Press the volume up button on the
headset. If the volume is still too low, select another listening
volume major adjust switch setting. See page 15.
• Incorrect configuration dial setting for your phone. Try other
phone configuration dial settings on the base unit. Ensure the
selected number is in line with the position indicator. See page 14.
• You may have to resubscribe your headset with the base. See
page 11.
• Headset is muted. Long press (3 sec.) the volume down button
on headset to unmute the microphone. See page 16.
• Improper positioning of voice tube. Try various other positions.
• Speaking volume is too low. Increase the speaking volume by
adjusting the speaking volume minor adjust buttons on the base
unit as described on page 16. If the volume is still too low, select
another speaking volume major adjust setting as described on
page 16.
• Incorrect configuration dial setting for your phone. Try other
phone configuration dial settings on the base unit. Ensure the
selected number is in line with the position indicator. See page 14.
I can hear a dial tone in
more than one
configuration position.
Phone will work in more than one configuration dial position.
Use the position that sounds best to you and the person you call.
I cannot hear a dial tone
in any configuration
position.
• Check that the phone is connected to the base’s phone
cord jack. See page 6.
• Check that the phone handset is connected to the base’s
phone handset jack. See page 6.
I cannot hear
caller/dial tone.
• Check that all cords and jacks are connected correctly.
• Check that the base has power (red indicator light) and the
headset battery is fully charged.
• Try other phone configuration dial settings on the base unit.
Ensure the selected number is in line with the position indicator.
See page 14.
• Ensure you are in headset mode. Press the call control button to
select correct mode. The talk indicator light on the base is green.
Callers cannot hear me.
Sound in handset is
distorted/hear echo in
handset.
• Reduce speaking volume by changing the speaking volume
major adjust switch setting. See page 16.
• Point microphone towards your chin.
• Listening volume too high on phone. If your phone has a
handset volume control, lower this until the distortion
d
isappears.
•
If the distortion is still present, lower the listening volume
adjust button on the headset. If the distortion persists,
select another listening volume major adjust switch setting.
See page 15.
• Base is too close to computer or phone. See page 9 for
proper positioning.
• System needs to be reset. Perform system reset as
described on page 21.
I can hear too much
background conversation,
noise or sidetone.
Speaking volume is too high. Lower the speaking volume by
adjusting the speaking volume minor adjust buttons on the
base. If the volume is still too high, select another speaking
volume major adjust setting. See page 16.
People I talk to can hear a
buzz in the background.
• Move the CS70N base further away from your phone.
• AC charger is plugged into a power strip. Plug the AC charger
into the wall directly.
• Picking up another radio frequency. Call the Plantronics
Technical Assistance Center for an RF filter.
Battery talk time performance
is significantly degraded even
after a full recharge.
Battery is going bad. Replace the battery with a new battery
pack. See page 21.
The call is dropped. (Talk
indicator on the headset and
base will not be illuminated.)
Headset lost subscription. Try to reset the system. See page
21. If this does not work, try the resubscription procedure
on page 11.
I hear static that does not
allow me to communicate.
• Link to headset is lost. Try to reestablish a link by pressing
the headset talk button.
• Unplug the AC charger from the base for 5 seconds, then
plug back in.
• Reset the whole system as described on page 21.
I hear beeps in the headset.
• One beep every 10 seconds is caused by a low battery
warning. Recharge battery by returning it to the base charge
cradle for one to three hours until charge light stays lit or
quits blinking.
• Two beeps is an out of range warning. Move closer to the base.
• Three rapid beeps every 30 seconds indicates your mute is
on. Press the mute button once to turn mute off.
• When an optional lifter is connected, three repetitive beeps
indicate a call is coming into the headset. Press the call
control button on the headset to answer the call.
Handset lifter is installed
but does not lift handset.
Be sure the handset lifter power cord is firmly pushed into
the handset lifter jack on the base.
My handset lifter operates
every time I remove or
replace my headset in the
base unit.
IntelliStand is enabled. To disable the handset lifter, move
the IntelliStand switch to position .
BASE INDICATOR LIGHTS
Fully Charged
Solid amber
Charging Flashes amber
Solid green
Power Solid red
Talking
Flashes greenMuted
Action Light
Indicator Lights
Talking/Muted (Green)
Power (Red)
Charging (Amber)
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