Samsung SCH-U485 User Manual page 35

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Settings Remote SIM mode.
2 Select
To use Remote SIM mode, start the Bluetooth connection from a
Bluetooth hands-free car kit.
You must authorise the Bluetooth hands-free car kit.
HAC Mode
To insure that the Hearing Aid Compatibility rating for your phone is maintained, secondary
transmitters such as Bluetooth and WLAN components must be disabled during a call.