FUTABA T16IZ Short Manual page 30

Range Testing Your R/C System
It is extremely important to range check your models prior to each flying session. This enables you to ensure
that everything is functioning as it should and to obtain maximum enjoyment from your time flying. The T16IZ
transmitter incorporates a system that reduces its power output and allows you to perform such a range check.
Range check mode
1. While pushing "U.MENU/MON." button.
2. THR Stick Slow. 3. T16IZ Power ON.
4. Select "Range check" at the System menu.
5. "Start" tap.
6. The HOME/EXIT button is pressed
to end a range check.
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During this mode, the RF power output is reduced so the
range test can be performed. In addition, when this mode
is activated the right LED on the front of the transmitter
starts blinking and the transmitter gives users a warning
with a beeping sound.
The "Range check mode" continues for 60 seconds and
after that the power will return to the normal level. To
exit the "Range check mode" before the 60 seconds,
press the "HOME/EXIT" button. NEVER start flying
when the "Range check mode" is active.
Should you require additional time to perform a range
check, highlight Restart before your time expires and tap
the screen one time.
Range check procedure
1. With the "Range check mode" on, walk away from
the model while simultaneously operating the
controls. Have an assistant stand by the model
to confirm that all controls are completely and
correctly operational. You should be able to
walk approximately 30-50 paces from the model
without losing control.
2. If everything operates correctly, return to the
model. Set the transmitter in a safe, yet accessible,
location so it will be within reach after starting the
engine or motor. Be certain the throttle stick is in
the low throttle position, then start the engine or
motor. Perform another range check with your
assistant holding the aircraft with the engine
running at various speeds. If the servos jitter or
move inadvertently, there may be a problem.
We would strongly suggest you do not fly until the
source of the difficulty has been determined. Look
for loose servo connections or binding pushrods.
Also, be certain that the battery has been fully
charged.
Range checking on
low power.
About 100 feet
Range check mode
WARNING
Do not fly in the range check mode.
*Since the range of the radio waves is short, if the model
is too far from the transmitter, control will be lost and
the model will crash.