Chapter 5 Image Transmission of F121
The image transmission device of F121is 5.8G 25mW all-channel camera integrated image transmission. If it’s
the image transmission version purchased, the binding between F121 and the FPV screen has been done by
factory default. Pilots only need to power both on before flight. If it’s the standalone version of F121, an FPV
screen or a goggle with integrated 5.8G image transmission receiver is needed and setup by following its
instructions.
The default transmission power is 25MW. Available power among 25MW,100MW and 200MW can be changed
by pressing the button on the camera. More instructions about setting the power, please visit www.radiolink.com
for detailed manual.
Note As device of image transmission includes transmit and receive, the distance could be influenced by the
gain of transmit and receive.
Definition of the image transmission led indicator
① RED and BLUE(and YELLOW) always on means normal working status.
② If RED(and YELLOW) is always on while BLUE is off, meaning it’s at PitMode. That is, transmission off.
The transmission distance is 1-2m. It’s advised to choose this mode if there are many people switching channels
simultaneously at the same space so that channels won’t get mixed.
Customize the power and the channel frequency
After powering on, wait for 10 seconds to initialize, red and blue(and yellow) always on means normal working
status. Long press the channels/power switching button, the channel frequency, the channel team and the
transmit power will recycle.
Table of Band/Frequency
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