User Manual

41
Range Test Your Radio
 Step 1
Before going to the field, be sure that your batteries
are fully charged, per the instructions included with
your radio. Charge both the transmitter and receiver
pack for your airplane. Use the recommended charger
supplied with your particular radio system, following the
instructions provided with the radio. In most cases the
radio should be charged the night before going out flying.
 Step 2
Before each flying session, be sure to range check
your radio. See your radio manual for the recommended
range and instructions for your radio system. Each
radio manufacturer specifies different procedures for
their radio systems. Next, start the engine. With the
model securely anchored, check the range again. The
range test should not be significantly affected. If it is,
don’t attempt to fly! Have your radio equipment checked
out by the manufacturer.
Note: Keep loose items that can get entangled
in the propeller away from the prop. These
include loose clothing, or other objects
such as pencils and screwdrivers. Especially
keep your hands away from the propeller.
 Step 3
Double-check that all controls (aileron, elevator, rudder
and throttle) move in the correct direction.
 Step 4
Check the radio installation and make sure all the
control surfaces are moving correctly (i.e. the correct
direction and with the recommended throws). Test
run the engine and make sure it transitions smoothly
from idle to full throttle and back. Also ensure the
engine is tuned according to the manufacturer’s
instructions, and it will run consistently and constantly
at full throttle when adjusted.
Check all the control horns, servo horns, and clevises to
make sure they are secure and in good condition. Replace
any items that would be considered questionable. Failure
of any of these components in flight would mean the loss
of your aircraft.
Before each flying session, range-check your radio. This
is accomplished by turning on your transmitter with the
antenna collapsed. Turn on the radio in your airplane.
With your airplane on the ground, you should be able
to walk 30 paces away from your airplane and still have
complete control of all functions. If not, don’t attempt
to fly! Have your radio equipment checked out by the
manufacturer.
Preflight
Range Testing the Radio