Horizon Hobby XP7202 Synthesized 7 Channel Radio Transmitter User Manual 656045

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Document ID	656045
Application ID	g6mHAgWxiBoyA+u87tI+Sw==
Document Description	XP7202 Users manual
Short Term Confidential	No
Permanent Confidential	No
Supercede	No
Document Type	User Manual
Display Format	Microsoft Word - pdf
Filesize	5.79kB (72320 bits)
Date Submitted	2006-05-09 00:00:00
Date Available	2006-06-23 00:00:00
Creation Date	2006-05-10 07:26:04
Producing Software	Acrobat Distiller 5.0.5 (Windows)
Document Lastmod	2006-05-10 07:26:04
Document Title	Microsoft Word - 656045.DOC
Document Creator	PScript5.dll Version 5.2
Document Author:	Administrator

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.
5. General Information 5.1 Control Stick Length Adjustment the XP7202
allows you to adjust the control sticks’ length. Loosen Tighten To
adjust the stick length, use the 2 mm Allen wrench (supplied with your
XP7202 transmitter) to unlock the setscrew. Turn the wrench
counterclockwise to loosen the screw. Then, turn the stick clockwise to
shorten or counterclockwise to lengthen. After the control stick length
has been adjusted to suit your flying style, tighten the 2 mm set
screw. If you desire longer sticks, JR offers a longer stick tip
(JRPA047) that is approximately one inch longer than the standard
stick. This stick is available at your local JR dealer.
5.2 Control Stick Tension Adjustment Note: Remove the transmitter Nicad
battery, and six (6) transmitter back cover screws as shown on the
previous page. Remove the transmitter back, being careful not to cause
damage to any components
Adjust each stick tension screw for the desired tension
(counterclockwise to loosen stick feel, clockwise to tighten stick
feel). When adjusting the throttle ratchet tension, make sure the
adjusting screw does not touch the PC board after the adjustment is
complete.
5.4 DSC Cord For proper DSC hook up and operation:
1. Leave the transmitter power switch in the OFF position. The
transmitter will not transmit radio frequency (RF) in this
position.
2. Plug the DSC cord (optional) into the DSC port in the rear of the
transmitter.
3. The encoder section of the transmitter will now be operational
and the LCD display will be lit.
4. Plug the other end of the DSC cord into the receiver charge
receptacle. Turn the switch harness to the ON position. Note: The
DSC function will only operate with the JRPA001 Deluxe Switch
Harness, or the JRPA004 Charge Switch. When you install the
charging jack, be sure to hook the charging jack receptacle
securely into the switch harness charge cord.
Why you should use the DSC function:
1. The DSC function allows you to make adjustments to your model
without transmitting any radio signals. Therefore, if another
pilot is flying on the same frequency, you can adjust your models
radio setting and not interfere with the other pilot’s aircraft.
2. The DSC enables you to operate the control surfaces of your
airplanes without drawing the fully operational 200 mAh from your
transmitter battery pack. Instead, you will only draw 70 mAh when
using the DSC function. Note: Under no circumstances should you
attempt to fly your airplane with the DSC cord plugged in! This
function is for bench checking your airplane only.
5.5 Neck Strap Adjustment
An eyelet is provided on the face of the XP7202 transmitter Note:
Double check to ensure that the neck strap (JRPA023) is securely
fastened to the transmitter. This hook has been positioned so that your
transmitter balances when you use the neck strap.
5.6 Base Loaded Antenna
An optional base-loaded antenna is available for use with the XP-7202
transmitter. It is considerably shorter than the standard antenna.
The Base Loaded Antenna (JRPA155) is made of a flexible coil and is
covered with soft plastic material. Your range will not be affected
when using the based loaded antenna.
5.7 Using the synthesized channel selection
The XP7202 allows the selection of channels 15 thru 60 via the on
screen programming. When the transmitter is first turned on, the screen
will display “WARNING!” and the previous channel and frequency used
will be displayed. At this time no signal is being transmitted. If you
wish to transmit on this frequency press the clear key And the
transmitter will begin transmitting on the selected channel displayed
and the screen will display the main menu.
If you wish to change a frequency the following steps are necessary:
SHOW SCREEN WITH KEYS
• Enter the system set up mode by pressing and holding the down and
channel keys simultaneously while turning on the power switch.
• Press the UP or Down key until “Synthesized CH” appears on the
screen as shown.
• Press the Inc or DEC key to select the desired channel
• Press the down and channel key to exit the synthesized screen.
This will return the screen to the warning menu
• In the warning menu the newly selected channel will be displayed.
If you wish to transmit on that channel press the clear key and
the transmitter will transmit and the screen will switch to the
main menu screen.
The XP7202 can transmit in either Pulse Code Modulation (PCM-S and
PCM-Z) or in Pulse Position Modulation (PPM, commonly referred to as
FM). Be certain to observe the following guidelines: 1. Do not operate
your transmitter when another transmitter is using the same frequency,
regardless of whether the second transmitter is PCM, PPM (FM) or AM.
You can never operate two transmitters on the same frequency
simultaneously without causing interference to both receivers.
Installation Requirements
It is extremely important that your radio system be
correctly installed in your model. Here are a few
suggestions for installing your JR equipment:
1. Wrap the receiver in protective foam rubber that is no
less than 3/8 inch thick. Secure the foam to the
receiver with #64 rubber bands. This protects the
receiver from shock in the event of a crash or a very
hard landing.
2. The servos should be mounted using rubber grommets and
brass bushings to isolate them from vibration. Do not
over-tighten the mounting screws; this will negate the
vibration absorption effect of the rubber grommets.
The diagram below will assist you in properly mounting
3.
4.
5.
your servo. The brass bushings are pushed from the
bottom up in the rubber grommets. When the servo screw
is tightened securely, it provides the proper
security, as well as the proper vibration isolation,
for your servo.
The servos must be able to move freely over their
entire range of travel. Make sure that the control
linkages do not bind or impede the movement of any of
the servos.
Mount all switches away from the engine exhaust and
away from any high vibration areas. Make sure each
switch operates freely and is able to operate over its
full travel.
Mount the receiver antenna firmly to the airplane to
ensure that it will not become entangled in the
propeller or control surfaces.

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Creation Date                   : 2006:05:10 11:26:04Z
Mod Date                        : 2006:05:10 11:26:04Z
Producer                        : Acrobat Distiller 5.0.5 (Windows)
Author                          : Administrator
Metadata Date                   : 2006:05:10 11:26:04Z
Creator                         : Administrator
Title                           : Microsoft Word - 656045.DOC

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