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a range check.
e check. To access 
the "Range check mode" touch and hold the RTN
e test can be performed. In 
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eeping sound every 3 seconds.
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to the normal level. To exit the "Range check 
PR
 of the screen and touch the
RTN button again. This mode is available one
t
e
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ress the RTN button one time
 from the model while simultaneousl
 the controls. Have an assistant
stand b
 the model to confirm that all
contro
onal. You should be able to wal
ng operates correctly, return to
the model. Set the transmitter in a safe, yet
accessible
 location so it will be within reach
after startin
ine or motor. Be certain
the throttle stick is in the low throttle 
osition,
then start the en
ine or motor. Perform
another range check w
nadvertently, there may be a problem. We
ZRX
Look for loose servo connections or bindin
ushrods. Also, be certain that the batter