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③
Date transmitting indicator: light will flicker in the condition of data transmitting.
④
Signal strength indicator: S3 ON, signal is weak; S3 and S2 ON, signal is moderate; S3, S2
and S1 ON, signal is strong.
⑤
Key switch: used for firmware upgrading, out-of-control protection settings, restore the
default transmission settings.
Side view
①
LAN port: used for video transmission or getting video transmission parameters.
②
LAN indicator: After connecting LAN port, indicator will flicker.
③
TTL port: full duplex serial port
④
S-Bus port: dual S-Bus output
⑤
S-Bus1 data indicator: indicator will flicker when there is data transmitting and
receiving of S-Bus1.
⑥
Power supply port: 7.4-12v.
⑦
S-Bus2 data indicator: indicator will flicker when there is data transmitting and
receiving of S-Bus2.
⑧
WAN connection indicator: indicator will flicker when connecting WAN port.
⑨
Video transmission WAN port: used to connect to an external network or the Internet.
By default, the S-BUS1 and S-BUS2 interfaces output the CH1 to CH16 of the remote
control to 1-16 channels.
4.3. V20 Receiver Installation and Connection
1. Connecting antennas to SMA port of V20.
2. Fix the receiver to the appropriate position of the aircraft by using double-sided tape.