VTech 15750 User Manual page 19

The feature is preset to Auto. You may also manually
change the power fail back-up settings.
Using a handset:
MENU
1. Press
. Press
SELECT
3. Press
SELECT
4. Press
SELECT
5. Press
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 Out of range OR no power at base
and Put HS ON base to power base alternately
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 power BS Press TALK-OFF when mains
power interruption occurs. Press OFF/CLEAR and then
place the handset onto the main base unit to activate
the Power Fail Back-Up mode and start up the base.
when the handset is not in use.
or to scroll to Settings.
and
and
to save your selection. You hear a
or to scroll to Power outage.
or to select Auto, Manual, or Off.
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