Switching the function of the remote sensor
For remote control operation, the remote sensor of the external device (monitor, etc.) can be switched, as you prefer.
Switching the Remote Control Sensor
1 In the SETUP screen mode, press the joystick up or down to select SYSTEM SETUP, then press the joystick right.
The SYSTEM SETUP screen is displayed.
2 Press the joystick up or down to select REMOTE SEL.
3 Press the joystick left or right to select the monitor to be controlled by the remote control.
FRONT: Remote control operation can be performed when the Alpine monitor is connected using an RGB cable, and also when a monitor (other than Alpine) connected to a remote control sensor unit (optional) is connected.
4 Press TA/RTN/SETUP to return to the previous screen. Press TA/RTN/SETUP repeatedly to return to the main source screen displayed before starting the setup operation.
•Select SETUP on the FUNCTION screen to recall the SETUP screen after pressing and holding 
/MENU/FUNC. for at least 2 seconds.
•The sensor of the touch panel rear monitor has priority over the sensor of the remote control, if the rear monitor (connected to the Alpine touch panel rear monitor via the Monitor control lead) is touched, regardless of the remote control sensor switch setting. Note, however, that the sensor of the remote control that has been set takes priority if it has been 5 seconds since last touching the panel.
Setup
Joystick
GENERAL Setup
General Setup Operation
The Parking Brake must be engaged to access the SETUP mode screen. Attempting to access this screen while driving will display the
The following steps 1 to 5 are common operations to each “Setting item” of GENERAL Setup. Refer to each section for details.
1 Press and hold TA/RTN/SETUP for at least 2 seconds.
The SETUP screen is displayed.