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8
Low battery indicator
When the battery is low:
• a warning tone sounds,
• the low battery message displays, and
• the empty battery icon
blinks.
If the battery level becomes too low, the
phone automatically turns off. Recharge
your battery.
Power on or off
Keypad lock
When you close the phone, the keypad lock
feature locks the exposed keys so that
nothing will happen if the keys are
accidentally pressed.
To unlock the keypad, press <
Unlock
> and
press <
OK
>.
Remove the adapter from the phone.
Switch on
Do not turn on
the phone when
mobile phone
use is
prohibited.
1. Open the phone.
2. Press and hold [
].
3. If necessary, enter the
PIN and press <
OK
>.
Switch off
1. Open the phone.
2. Press and hold [
].
Summary of Contents for SGH D840
Page 1: ...SGH D840 User s Guide ...