RadioLink RC8X Instruction Manual page 42

Multimedia Mode: Mainly for the working mode setting of the headphone jack of RC8X.
Audio output: select this mode when headphones are plugged into the headphone jack.
Video input: select this mode when the headphone jack is inserted into a 5.8G video
transmission module or other AV analog video signal equipment.
Note: After the headphone jack and the USB port
are successfully connected
transmission receiving mode, and the camera with 5.8G
image transmission is successfully paired, the RC8X
screen will automatically split the screen up and down.
The upper screen is the menu interface of the
transmitter, and the lower screen is the shooting screen
of the FPV camera. One screen is dual-purpose and
does not interfere with each other. For details, see the
picture on the right.
USB power output: The default is automatic, when
the USB port of the transmitter is used to connect USB
data to upgrade firmware or copy data to the transmitter, it is the normal USB mode. When the
headphone jack is inserted into the 5.8G image transmission receiver, the USB port will turn on
the 5V output, which can supply power to the 5.8G image transmission module.
pop-up window: When the headphone jack is connected to headphones and other devices, a
pop-up window will pop up on the screen of the transmitter, multi-protocol mode selection
(PPM, etc.) or multimedia mode selection (audio output or video input), click and select
to the 5.8G image
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