Geemarc SCREENPHONE User Manual page 14

Insert the mains adaptor into the socket located at the rear of the
telephone
DC 9V
then plug the other end of the cable into a 13 amp wall socket.
Please choose a socket which is easily accessible and near to
your telephone socket. This means you can unplug the mains
power quickly in case of a problem.
NOTE:
Fit 4 x AA sized batteries in order to save and use stored numbers
in case of power failure. The telephone will retain all functions
when operating solely under battery power except:
The LCD backlight will be disabled
The flash strobe will be disabled
Without mains and batteries the telephone will not operate.
It is advisable to use mains power with the batteries inserted
as a means of backup in case of power failure.
INSTALLATION
13