12
Getting started
ON/OFF
Headset base installation
Adjust lier audio
Press MODE on the headset base to change
the mode if the LIFTER MODE light is not on.
Make sure that the LIFTER MODE light on the
headset base is on.
Li the corded handset from the telephone
cradle.
Aer you install and charge the battery (see
pages 14- 15), put the headset next to your ear.
Press ON/OFF on the headset and listen for the
dial tone.
If there is no dial tone or the dial tone is not
clear, slide the LIFTER AUDIO ADJUST on the
side of the headset base from A to G until the
dial tone is clear.
If the dial tone is not clear, repeat step 5 until
you find the clearest dial tone.
1.
2.
3.
4.
5.
6.
MODE
LIFTER MODE
light
LIFTER AUDIO ADJUST
13
Getting started
Quick reference guide - headset
ON/OFF
Press to make and/or answer a
call, and to end a call.
The light is on when the headset
is charging in the headset base.
The light flashes slowly when you
are on a call, or flashes quickly
when there is an incoming call.
VOLUME + –
Press the volume key on the
side of the headset to adjust the
listening volume when on a call.
MUTE/FLASH
Press to mute the microphone
during a call.
Press and hold to receive call
waiting during a call.
Press to mute the ring tone in
the earpiece when there is an
incoming call.
Battery cover
Open to install or replace the
battery.
Microphone
EARPIECE
12
marathon_quickstart_04df.indd 12 3/3/2016 2:42:35 PM
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