Samsung SGH-i718 Series User Manual page 18

Getting started
If the phone is nearly out of battery power, it
shows the "Main Battery Very Low" message. In
this case, you cannot perform a synchronisation
without connecting the phone to a power source
and the phone doesn't give you any instructions
for saving data. Connect the adapter to the
phone immediately.
Adjusting the power settings
You can conserve battery power by adjusting
the Power settings. During standby, the phone
goes to Sleep mode after a specified period of
time of inactivity, so very little power is being
consumed. This helps to preserve programmes
and data stored in the RAM.
A lower setting increases the usable battery
time. A higher setting decreases the usable
battery time and allocates it for standby usage.
To adjust the power setting:
1. From the Start menu, tap Settings → System
tab → Power.
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2. Select the power settings:
In the Battery tab, check the remaining
amount of battery power.
In the Advanced tab, set whether or not the
phone turns off the backlight after the specific
period of time when the phone is inactive and
the main battery is being used as the power