Horizon Hobby XP7202 Users manual
Instruction Manual for Airplane and Helicopter
XP7202
7- Channel synthesized computer radio
1- Using this manual
In the front of this manual you will find the specifications for the
transmitter and its included accessories. In addition, guidelines for
installation have been included. For your convenience, this manual is
arranged with a separate sections for airplane and helicopter software
functions: Airplane Programming: Pages xx thru xx Helicopter
Programming: Pages xx thru xx. Programming functions are discussed in
the same order that they appear in the radio. An explanation of the use
and purpose of each feature is provided, followed by an illustration of
its LCD display. A blank data sheet has been included at the end of
each section. Once all data has been input for a particular model, it
is highly recommended that you also record it on a copy of the data
sheet provided. If you should experience memory loss or want to make
changes to the current settings, this step will save you a great deal
of time.
XP7202 Transmitter
The XP7202 synthesized transmitter allows on screen channel selection
of channels 15 thru channel 60 via the computer. The system prevents
accidental turn-ons by requiring acknowledgement of the selected
channel before a signal is transmitted. The system incorporates a hiresolution dot matrix LCD display offering sophisticated graphics that
are easy to read and understand. Two model type programming offers
airplane and helicopter pilots programming options that will meet the
most demanding modelers needs. Control sticks are adjustable for spring
tension and length. Twenty-model memory storage capacity allows
programming of up to twenty separate helicopters or airplanes or you
can program more than one set-up for a single aircraft. Two versions of
the transmitter are available: Airplane and Helicopter. The switch
positions are optimized for each model type however the programming is
identical in both versions.
3. Component Specifications
3A System Specifications
Type Aircraft Helicopter
System Name XP-7202A XP-7202H
Transmitter Body NET-K237US NET-K237US
Receiver NER-790 NER-790
Charger NEC-222 NEC-222
Airborne Battery 1100mAh 1100mAh
Servos NES-821x4 NES-821x4
Accessories Standard Switch Standard Switch
12" Aileron Ext. 12" Aileron Ext.
Charge Jack Charge Jack
Servo Accys Servo Accys
Hex Wrench Hex Wrench
Instruction Manual Instruction Manual
3B Transmitter Specifications
Type Aircraft Helicopter
Model Number NET-G127US NET-G127US
Encoder 7-Channel Computer System 7-Channel Computer System
RF Module 72MHz 72MHz
Modulation PCM (S or Z) or PPM PCM (S or Z) or PPM
Output Power Approximately 750mw Approximately 750mw
Current Drain 200mA (70mA with DSC) 200mA (70mA with DSC)
Power Source 1.2Vx8 NiMh (9.6v) 15000mAh 1.2Vx8 NiMh (9.6v)
1500mAh
Output Pulse 1000-2000 (1500 Neutral) 1000-2000 (1500
Neutral)
4. Battery Charging
4A Transmitter/Receiver
Note: It is imperative that you fully charge both the transmitter and
the receiver battery packs prior to each fly session. To do so, using
the included wall charger, leave the charger and batteries connected
overnight (16 hours). The first charge should be approximately 20-24
hours in order to fully charge both battery packs to peak capacity.
The charger supplied with this system is designed to recharge your
batteries at a rate of 150 mA for the transmitter and 120 mA for the
receiver battery pack.
Transmitter Polarity
The center pin on all JR transmitters is negative. Therefore, the
center pin on all JR chargers is negative, not positive. This is
different from many other manufacturers chargers and radio systems.
Beware of improper connections based on “color coded” wire leads, as
they may not apply in this instance. You must make sure that the center
pin of your JR transmitter is always connected to the negative voltage
for correct polarity hookup.
4B Charger
The pilot lamps should always be ON during the charging operation. If
they’re not, check to make sure that both the transmitter and receiver
are switched OFF. Do not use this charger for equipment other than JR.
The charging plug polarity may not be the same and equipment damage can
result. During the charging operation, the charger’s temperature is
slightly elevated. This is normal.
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