Toshiba FT-8901 Owner's Manual page 13

After the battery pack is fully charged;
Operation
While in use (Talk mode)
While not in use (Standby mode)
When the TALK/BATT LOW LED blinks, all handset buttons are
disabled and the battery needs to be charged. If this occurs during a
call, you hear short beeps. Finish the call as soon as possible and
place the handset on the base unit.
NOTES:
• If a call comes in when the battery is too low to operate properly, you will be
unable to answer the call or the call will be disconnected.
• The redial memory numbers backup for up to one minute while you replace
the battery pack.
• If you must replace the battery pack during a telephone call, complete the
replacement of the battery pack within 30 seconds, and you can return to the
original call.
INSTALLATION
Approx. battery life
up to 7 hours
up to 14 days
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