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For safety extend the antenna to its full length, Check that the transmitter antenna is not loose, When turning on the power switch – Futaba 3FR User Manual

Page 5: When turning off the power switch

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FOR SAFETY

Extend the antenna to its
full length.

If the antenna is
collapsed, the ef-
fective range of
the radiowaves
w i l l b e c o m e
shorter.

Always test the digital proportional R/C
set before use.

Any abnormality in the digital proportional R/C set,
or model, may cause a crash.

*Before starting the engine, check that the
direction of operation of each servo matches
the operation of its control stick. If a servo
does not move in the proper direction, or op-
eration is abnormal, do not fly the plane.

Check that the transmitter antenna is not loose.

If the transmitter antenna comes off during use, control will be
lost and the model will crash.

Extend to

full length

Test

(In case of a set w/ frequency board)

Do not touch the engine, motor, and speed control
during and immediately after use.

They are hot and will cause a burn.

When turning on the power switch

After setting the transmitter throttle lever to
maximum slow,
1. Turn on the transmitter power switch,
2. Then turn on the receiver power switch.

When turning off the power switch

After stopping the engine,
1. Turn off the receiver power switch,
2. Then turn off the transmitter power switch.

If the power switch is turned
off in the opposite order, the
engine may go to full throttle
unexpectedly and cause an
injury.

*Maximum slow: Direction in which
the engine or motor runs at the slow-
est speed.

When adjusting the digital
proportional R/C set, al-
ways stop the engine, ex-
cept when necessary.

If the engine suddenly goes to high
speed, it may cause an injury.

When flying, always in-
stall the frequency board
to the transmitter an-
tenna.

When the frequency was changed,
also change the frequency board.

Power ON

Power OFF

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