End key, Headset connector, Service led – Samsung SCH-A790ZKVXAR User Manual
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End key
•
Press and hold
to turn on your phone.
•
Press and hold
to turn off your phone.
•
Briefly press
once to disconnect a call, return to
standby mode, or cancel any input.
Headset connector
The headset connector, located on top of the phone next to 
the antenna, is the input jack for the optional hands-free 
headset. The headset includes an earbud and microphone in 
a convenient, lightweight unit so you can talk without using 
your hands.
•
Before connecting the headset, gently slide open the
cover for the input jack to expose the connector inside.
Service LED
The Service LED on the front flip has the following functions.
•
Flashes to indicate an incoming call or message.
•
Lights momentarily when you power up the phone and 
flashes red when the phone is in need of a charge. 
•
Green indicates you are in service in your 
coverage area.
Turn the Service LED on or off
1.
In standby mode, press the left soft key
Menu
, then press
, , .
Off
and
On
appear in the display.
2.
Use the navigation key to highlight your preference, then 
press .