AT&T Marathon - Page 11

10
Getting started
Headset base installation
Option 3: Headset base with corded phone for multiple
line system or digital business system installation
With this installation, you can make and receive calls using the
LIFTER MODE without a lier. Make sure the LIFTER AUDIO
ADJUST setting is correct (see page 12).
DSL filter (not
included) is required
if you have DSL
high-speed Internet
service.
2. Plug the headset
base power adapter
into an electrical
outlet not controlled
by a wall switch.
5. Plug the other end of the 4-conductor
telephone line cord into the handset
jack of the corded phone.
Curly handset
cord
3. Unplug the curly
handset cord from
the telephone. Plug
the end of the curly
handset cord into the
CURLY CORD
(light blue dot) jack on
the headset base.
4. Plug one end of
the 4-conductor
telephone line cord
into the BASE
JACK
(orange dot) on the
headset base.
7. Plug the other end
of the telephone
line cord into a
telephone jack.
6. Plug one end of the
telephone line cord into the
telephone jack of the corded
phone.
1. Plug the small end of
the headset base power
adapter into the POWER
jack (green dot) at the
back of the headset
base.
11
Getting started
Headset base installation
No lier mode or lier mode
There are two answer modes available on the
headset base. The current mode is indicated
by two lights on the front of the headset base
named NO LIFTER MODE and LIFTER MODE.
When plugging your headset base into the
telephone wall jack (installation option 1 or 2),
make sure the headset base mode is set to NO
LIFTER MODE.
-OR-
When connecting your headset base to a
multiple line corded telephone (installation
option 3), make sure the headset base mode
is set to LIFTER MODE and the LIFTER AUDIO
ADJUST setting is correct (see page 12).
To change the answer mode:
When the headset is not in use, press MODE on
the headset base to select NO LIFTER MODE or
LIFTER MODE. The corresponding light on the
front of the headset base turns on to indicate the
current mode.
For complete instructions on installing and
using the handset lier, see the handset
lier user’s manual.
NOTE: If you are using the handset lier,
you must use the LIFTER MODE.
•
•
MODE
11
marathon_quickstart_04df.indd 11 3/3/2016 2:42:34 PM