Samsung SCH-a610 사용자 설명서

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LCD backlight setting
To prolong battery life, the display goes blank when your 
screen is idle for a preset length of time. You can adjust this 
setting in the 
Backlight
 sub menu.
1.
In standby mode, press the left soft key (
Menu
then 
press ,  , , . 
The 
following 
options 
appear in the display.
*5 Seconds - (Default setting)
10 Seconds
15 Seconds
Folder Open 
With Folder Open selected, your LCD remains on as long 
as the flip is open. This can drain your battery significantly.
2.
Use the navigation key to highlight an option. Press 
 
to select the highlighted option.
Step ringer
Step ringer can prevent injury to your hearing. When your 
phone rings, it first begins to ring at the lowest volume level 
(level 1), then gradually ascends to the set level.
Silence an incoming ringer
During an incoming call, press the up or down volume 
key to silence the ringer.
Ignore an incoming call
Ignored calls are immediately forwarded to voice mail.
During an incoming call, press the left soft key (
Ignore
. The incoming call is forwarded to your 
voice mailbox.