I.beam; Usb; System Info - Samsung SCH-I839 User Manual

Battery power remaining: you can check how much
battery power remains.
On battery power: you can set whether or not the phone
turns off after a specified time when the phone is inactive
and the main battery is being used as the power source.
On external power: you can set whether or not the phone
turns off after a specified time when the phone is inactive
and when the phone is being charged.

I.Beam

You can set the phone to receive all data incoming via the
infrared port.

USB

You can set up the options for USB connections.
USB: you can select which features a USB connection is
used for. Depending on the type of operation, you may
need to change this setting each time.

System Info

You can view information about your phone's system.
Memory: you can check memory information for the
system.
Storage: you can check information on the amount of
memory for storing data.
Setup
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