RadioLink Electronic Limited
15
The frequency changes each time the button is short pressed once. The BLUE LED flashes once means
Frequency 1, twice means Frequency 2, 3/4/5/6/7/8 etc.
Band Selection:
L
ong press the channels/power switching button for 5 seconds, the RED LED flashes twice
means entering the band selection mode, then short press the button again to change the band. The band
changes each time the button is pressed once. The BLUE LED flashes once means Band A, twice means Band
B, C/D/E/F etc.
Power Selection:
L
ong press the channels/power switching button for 5 seconds, the RED LED flashes three
time means entering the power selection mode, then short press the button again to change the power. The
power changes each time the button is pressed once. The BLUE LED flashes once means 25mA, twice means
100mW and three times means 200mW.
Turn on/off the transmission:
When at the normal working status (both RED and BLUE LED on), quickly press
the button twice and the working mode will change. When the RED LED is on and BLUE LED is off, it means it’s
at Pitmode(Low power mode). When both RED and BLUE LED are on, it means the normal transmission mode.
When all parameters have set, long press the channels/power switching button till the RED and BLUE
LED always on to make the settings saved, then into normal working status. Otherwise, the setup mode
remains and all the parameters set above can’t be saved with success.
Note
①
When installing the image transmission, make sure the heat radiation is considered. Otherwise, the
transmission power will decrease even turn off as the protection of overheating is activated.
②
It’s normal that the camera will get heated during usage. DO NOT touch it directly with hands in case of
getting burnt.
③
If the transmission antenna is broken or not well welded, the transmission distance will be impacted. Replace
the antenna as soon as possible.
④
The detailed instructions of setting FPV screen and goggle, please refer to its corresponding manual.
⑤
If there’s interference during the usage, try switching the camera channel first, then search for a new channel
on FPV screen or goggle.
Chapter 6 FPV Goggles of F121 Pro
6.1 Buttons and Connector
