MK TX-3 User Manual download pdf (Page 5)

Assembly

1. Fix the iOSD controller on your aircraft.

2. Connect the iOSD with the video signal source, wireless video TX module, DJI autopilot system and R/C

receiver. Make sure the connection is correct in accordance with the wiring diagram.

3. Setup a 3-position switch on the R/C TX as the iOSD control switch.

4. Connect your wireless video RX module with the display screen.

Please refer to DJI autopilot system manual, your TX manual, and your wireless video RX for more details.

3-Position Switch Control

Choose a 3-position switch and make sure you connect the correct channel of the receiver to the iOSD switch port.

 Position -1 Position -2, (hold position -2 for 1.5s): every toggle from Position -1 to Position -2 increases the

channel of the wireless video transmitter module by 1 (from CH1 to CH8), only for the wireless video

transmitter module specified by DJI.

 Position -3 Position -2, (hold position -2 for 1.5s): toggle the switch to select the required video input, when

there are two video inputs. Only the toggle from Position -3 to Position -2 can change the video input source.

AV1 is default.

Position -1 Position -2 Position -3

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MK TX-3 User Manual Page 5