VTech 15200 User Guidance page 42

The feature is preset to AUTO. You may also manually
change the power fail back-up setting.
To change the power fail back-up setting
Press MENU when the handset is not in use.
1.
. Press
Press OK and
3.
Press OK and
.
OFF.
Press OK to save your selection. You hear a
5.
conirmation tone.
Notes:
If OFF is selected, Power Fail Back-Up mode will
•
not be enabled.
If AUTO is selected, the registered handset(s)
•
will display TO PWR UP BS PUT IN CRADLE when
mains power interruption occurs. Place the
handset with suficient battery power (usually
not lower than level 2) onto the main base unit
to activate Power Fail Back-Up and start up the
base. If handset is already on the main base unit it
will automatically activate the Power Fail Back-Up
mode (if it has suficient battery power) and start
up the base. If AUTO is selected and handset is
not returned to base unit within approximately
 minutes the handset will temporarily revert to
Manual mode to converse battery power.
If MANUAL is selected, the registered handset(s) will
•
display TO PWR UP BS PRESS TALK OFF when mains
power interruption occurs. Press
the handset onto the main base unit to activate the
Power Fail Back-Up mode and start up the base.
to scroll to HS SETTINGS.
or
or
or
to scroll to POWER OUTAGE.
to select MANUAL, AUTO or

and then place