SoftBank 842P User Manual page 37

Battery Time
Using handset in the following conditions may shorten battery time.
Extreme temperatures
Handset/battery/AC Charger terminals are dirty.
Weak signal/out-of-range
Handset is left mid-operation (not in Standby)
Playing Music Player, TV or S! Appli is active, etc.
Extending battery time
Example:
Turn Back Light Time OFF or set a shorter time for Power Saver mode
Z
( P.17-5)
Z
Select OFF for Key Tone (
When Battery Runs Out
Unless a Call is in Progress
A message appears and warning tone sounds for 10 seconds.
Handset power turns off automatically after one minute; press any key
except UV to cancel warning tone manually. Charge or replace battery.
If Manner Mode is active, nothing sounds.
During a Call
A message appears and warning tone sounds via Earpiece or Speaker.
After 20 seconds, call ends and handset shuts down in one minute.
Charge or replace battery.
P.17-3)
Battery Strength Indicator
Battery Strength indicator changes as remaining usage time decreases.
Charge or replace battery when battery level is low (
message appears on Display.
Battery Voltage Battery Voltage
Operating Operating
Voltage Voltage
Level 3 Level 3
Approx. 70% Approx. 70%
Remaining Strength (at 25°C) Remaining Strength (at 25°C)
Note
Alternatively, check battery level from
X X
Phone Settings Battery
Z
P.1-9) or a
Low battery warning message Low battery warning message
appears. Charge or replace appears. Charge or replace
battery immediately. battery immediately.
Level 2 Level 2 Level 1 Level 1 Level 0 Level 0
Approx.20% Approx.10% Approx.20% Approx.10%
Operating Time Operating Time
X
Main Menu Settings
X
Battery Level
1
Red Red
1-11