19
18
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
with the base unit.
• Check that the phone is connected to the base unit’s phone
cord jack 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 21.
• Headset is muted. Long press (3 sec.) the volume down
button on headset to unmute the microphone. See page 16.
• Speak 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.
• Check that the phone handset is connected to the base’s
phone handset jack.
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
disappears.
• 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 CS70 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 21.
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 control dial once to turn mute off.
• When an optional lifter is connected, three repetitive beeps
indicate a call is coming into the headset. Press the talk
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 green
Muted
Action
Light
Indicator Lights
Talk (Green)
Power (Red)
Charge (Amber)
