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OFF – When the BOOST ON/OFF switch is set to
OFF, the Boost function will be OFF every time a call
starts, and the user will need to press the BOOST
Clarity Power button in order to gain the extra level
of amplification. If the phone hangs up, the Clarity
Power will reset to OFF. During a call, the BOOST
Clarity Power button can toggle the Clarity Power
function ON or OFF according to the user’s needs.
CAUTION: VOLUME WILL BE LOUD
WHEN BOOST SWITCH IS SET TO “ON.”
Battery Back-up
Installing four (4) AA Alkaline batteries into the
desk/wall mount bracket attached to the telephone
base will offer you a limited amount of time to con-
tinue operating your telephone in the event of
a power failure.
To Install Battery Back-up Batteries
1. Disconnect telephone line cord and
remove desk/wall mount bracket from
telephone base.
2. Disconnect battery back-up connector from
the telephone base.
3. Install four (4) AA Alkaline batteries
with negative (-) end of battery touching
the spring.
4. Connect battery back-up connector to
terminal on bottom of telephone base.
5. Install desk/wall mount bracket to
telephone base.
To Replace Battery Backup Batteries
1. Disconnect telephone line cord and
remove desk/wall mount bracket from
telephone base.
2. Disconnect battery back-up connector from
the telephone base.
3. Remove batteries from desk/wall
mount bracket.
4. Install four (4) AA Alkaline batteries with
negative (-) end of battery touching
the spring.
5. Connect battery back-up connector to
terminal on bottom of telephone base
6. Install desk/wall mount bracket to
telephone base
After installing the four (4) AA Alkaline batteries
please refer to the chart below:
Power Supply
Power LED Status
AC adapter and Steady Green
good batteries
AC adapter and Steady Red
no batteries
AC adapter and Flashing green and red
bad batteries
Power failure and Slow flashing red
good batteries
Power failure and Fast flashing red
bad batteries
FEATURE SET UP FEATURE SET UP