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Spektrum SPMAR9200 User Manual

Page 16

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Spektrum AR9200

16

EN

Range Testing

Before each flying session, and especially with a new model, it’s

important to perform a range check. All Spektrum aircraft transmitters

incorporate a range testing system, which reduces the output power

allowing a range check.
Range Testing

1. With the model restrained on the ground, stand 30 paces (approx. 90

feet/28 meters) away from the model.

2. Face the model with the transmitter in your normal flying position and

put your transmitter into range test mode. This causes reduced power

output from the transmitter.

3. You should have total control of the model in range test mode at

30 paces (90 feet/28 meters).

4. If control issues exist, contact the appropriate Horizon Product Support

office for assistance. Contact information is listed in the warranty

section.

Advanced Range Testing Using a Flight Log

The Standard Range Testing procedure is recommended for most sport

aircraft. For sophisticated aircraft that contain significant amounts of

conductive materials (e.g. turbine powered jets, some types of scale

aircraft, aircraft with carbon fuselages, etc.), the following advanced range

check will confirm that all remote receivers are operating optimally and

that the installation (position of the receivers) is optimized for the specific

aircraft. This Advanced Range Check allows the RF performance of each

remote receiver to be evaluated and to optimize the locations of each

individual remote receiver.
1. Plug a Flight Log (SPM9540) into the Bind/Data port in the AR9200 and

turn on the system (Tx and Rx).

2. Advance the Flight Log until frame losses are displayed by pressing the

button on the Flight Log. (See page 18 for complete instructions).

3. Have a helper hold your aircraft while observing the Flight Log data.

4. Standing 30 paces away from the model, face the model with the

transmitter in your normal flying position and put your transmitter into

range test mode. This causes reduced power output from the transmitter.

5. Have your helper position the model in various orientations (nose up,

nose down, nose toward the Tx, nose away from the Tx, etc.) while

your helper watches the Flight Log noting any correlation between

the aircraft’s orientation and frame losses. Do this for 1 minute. The

timer on the transmitter can be used here. For giant-scale aircraft it’s

recommended that the airplane be tipped up on its nose and rotated 360

degrees for one minute then the data recorded. Next place the airplane

on its wheels and do a second test rotating the aircraft in all directions

for one minute.

6. After one minute, a successful range check will have less than ten

recorded frame losses. Scrolling the Flight Log through the antenna

fades (A, B, L,) allows you to evaluate the performance of each receiver.

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