AK28 HD/HD+ User Manual V1.1
23
2020 SIYI Tech All Rights Reserved
WARNING
Do not fold or cover antennas and avoid any obstruction between the transmitter and the
aircraft in flight, otherwise there will be an obvious decrease to transmission signal quality.
3.2 How to Charge AK28 HD/HD+ Transmitter
Before charging your AK28 HD/HD+ transmitter, please read the part “1 READ TIPS
- 1.3 Precautions on Charging AK28 HD/HD+ Transmitter” carefully.
Transmitter Power Off Charging
Please use the original OTG Micro-USB cable coming in AK28 HD/HD+ packing list
for connecting the Micro-USB port on bottom transmitter to the USB port on the
charger adapter. When the charging indicator is solid red, transmitter is under
charging. When the charging indicator turns to solid green, charging is finished.
