User Manual

GuiLin FeiYu Electronic Technology Co., Ltd
GuiLin FeiYu Electronic Technology Co., Ltd http://www.feiyudz.cn E-mail: [e-mail]
Page 6
Optional Antenna:
Trouble and solve ways:
Item
Trouble
Trouble causes and solve ways
1
No shine of
Indicator light
a、Power Line badness touch .
b、Power is bad.
c、Power line meet in reverse, or diode of polarity protect is bad.
2
No transmitting or
receiving
a、Radio is badness touch with PC/terminal.
b、Radio with TTL not match terminal.
c、RX frequency and TX frequency is not same.
3
High Bit error rate
a、antenna not match, or touch bad;
b、RF baud rate is not right.
c、Power supply ripple is too great.
4
Indicator light
twinkling
a、Electromagnetism disturb in circumstance.
b、Same frequency disturb in the circumstance.
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