JR XP8103 User Manual

Programming the JR XP8103 Radio For an Electric-Powered, Six-Servo Sailplane
Programming the JR XP8103 Radio
For an Electric-Powered, Six-Servo Sailplane
by Miami Mike
The JR XP8103 Owner's Manual describes the proper way to program a six-servo sailplane to
achieve the flap, reflex, and variable crow functions. However, this programming procedure
was intended for a pure sailplane with no motor. The variable crow function makes use of the
throttle stick, which becomes a "spoiler" stick when the XP8103 is set for glider. If your plane
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JR XP8103 Specifications

General

Frequency Range	2.4GHz
Modulation	DSM2/DSMX
Channels	8
Telemetry	No
Compatibility	Spektrum DSM2/DSMX receivers
Battery Type	NiMH
Model Memory	10 models
Model Type	Airplane, Helicopter
Display	LCD

Summary

Introduction and Problem

JR XP8103 Programming for Electric Sailplanes

Explains the JR XP8103 manual's programming is intended for pure sailplanes, not electric ones.

Drawbacks of Alternative Programming

Discusses a programming method from the Ultra Stick manual and its limitations.

Proposed Programming Method Explained

How the CROW Switch Works

Details how the CROW switch selects motor control or variable crow function.

Radio Control Layout

Identifies key controls on the JR XP8103 radio: CROW, Flap Mixing, and Throttle sticks.

Configuration Steps

Configuring Crow Functionality

Sets up butterfly mixing for achieving full crow with the throttle stick.

Disabling Motor with CROW Switch Up

Mixes the spoiler channel to cancel stick movement, disabling the motor when the CROW switch is up.

PROG.Mix3 Configuration

Configures PROG.Mix3 settings like rate and offset for desired operation.

Testing and Verification

Testing the Configuration

Verifies the programming using the monitor function and by checking servo movements.

Final Motor and Servo Test

Confirms that the motor and servos operate correctly as per the programming.