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25 

SECTION 5 – POWERING THE SYSTEM 

 

 
The  XtremeLink

® 

system  is  a  computer  controlled  device.    Just  like  your 

home PC, power is the most critical link to success or failure. 
 
XtremeLink

® 

transmitter  modules  can  use  the  standard  transmitter  battery. 

Nothing else is required. 
 
XtremeLink

® 

receivers must be powered properly!  With today’s high torque 

digital  servos,  the  load  on  the  flight  battery  can  be  extreme.    It  is  not 
uncommon to see many amps of current draw during flight.  You must use a 
power  source  that  can  provide  the  proper  voltage  when  there  is  a  heavy 
load.    Even  small  servos  like  the  Hitec  HS-55  can  draw up  to  ¾  of  an  amp 
when  stalled.    Four  of  these  servos  in  a  “foamie”  can  technically  draw  3 
amps  of  current,  not  including  the  current  required  for  the  receiver.    For 
years  people  have  been  claiming  radio  “failures”  or  “hits”  with  their 
35MHz/36MHz/72MHz/75MHz systems that have actually been power related 
and  not  due  to  signal  loss.    The  difference  now  is  that  computerized 
receivers require at least 3.5 volts or they will reboot.  By comparison, non-
computerized receivers will work on just fractions of a volt and never reboot. 
 
 

Recommend Power Setups for XtremeLink

® 

Receivers 

 

4 cell packs.  4 cell packs will work fine with XtremeLink

® 

receivers providing 

you have adequate capacity.   The rule that we use is no less than 350mAh 
for each analog servo and no less than 500mAh for each digital  servo.  So, 
in a typical 4 servo analog setup, a 1400mAh 4 cell flight pack would be the 
absolute  minimum  we  would  recommend.    Yes,  you  could  probably  get  by 
with  a  lower  capacity  pack,  but  then  you  have  to  ask  yourself  “what  is  my 
model  worth  to  me,  and  am  I  willing  to  take  a  chance  with  an  improper 
power setup?” 
 
5  cell  packs.    5  cell  packs  offer  additional  voltage  headroom.    These  are  a 
better  choice  than  a  4  cell  pack.  Note  that  some  servos  will  not  handle  the 
voltage  of  a  5  cell  pack.    Please  consult  the  specifications  of  your  servos 
before using a 5 cell pack. 
 
A123 flight packs.  These are the best choice.  They provide a voltage higher 
than  a  4  cell  pack,  but  less  than  a  5  cell  pack.    The  current  capabilities  of 
these batteries exceed what any 4 or 5 cell Nimh or Nicad pack can provide. 
 

Summary of Contents for XtremeLink

Page 1: ... January 11 2011 All material including but not limited to photographs text and concepts contained in this manual is copyright 2006 2011 By Xtreme Power Systems Distribution of this data without permission is strictly prohibited All rights reserved worldwide DUE TO FREQUENT CHANGES IN THIS MANUAL PLEASE DO NOT POST UPLOAD OR OTHERWISE PROVIDE THIS INFORMATION VIA ANY MEANS ...

Page 2: ...a limited lifetime warranty Units subject to improper installation misuse abuse or modifications will not be covered under this warranty Xtreme Power Systems may at its discretion either repair or replace the unit covered under warranty The customer will pay all freight charges to and from Xtreme Power Systems Xtreme Power Systems must be contacted to obtain a return authorization Any product retu...

Page 3: ...3 NOTICE THIS SYSTEM REQUIRES PROPER POWER PLEASE READ SECTION 5 FOR INFORMATION ON THE RECOMMENDED POWER SETUP AND HOW TO IDENTIFY IF YOU ARE HAVING A POWER PROBLEM ...

Page 4: ...les have tabs either on each side or top and bottom Carefully squeeze these tabs and pull the RF module from the transmitter Sometimes each side or each end will need to be wiggled for the module to come loose and removed See Figures 1 and 2 for reference Figure 1 Futaba RF module removal ...

Page 5: ...5 Figure 2 JR RF module removal ...

Page 6: ...y unscrew If your transmitter has a pivot ball on top that the antenna normally screws into do not screw in the antenna when the XtremeLink RF module is installed If you switch back to a stock RF module remember to re install the antenna or damage may result to the transmitter When using the XtremeLink RF module the transmitter s modulation output must be set to PPM MPLX PPM18 or PPM24 PCM APCM SP...

Page 7: ...7 Figure 3 Futaba XtremeLink module installation ...

Page 8: ...8 Figure 4 JR XtremeLink module installation ...

Page 9: ... to show it off Mount the receiver as high and out in the open as possible so you can easily see it and get access to it see Figures 5 6 for examples Under no circumstance can you wrap or pass servo wires around the antenna Remember that wires can move under g force so make sure that wires can not move at all around the receiver Moving wires can cause intermittent radio control See figures 5 and 6...

Page 10: ...iver will power up and appear to work but it will not function properly powered this way Power and ground are available on every numbered slot Signal is the pin nearest the number The function for each channel is determined by the transmitter in use and not the receiver itself For example throttle control with most JR radios is on channel 1 while throttle control on most Futaba radios is on channe...

Page 11: ...Link receiver that has been bound to the XtremeLink RF module must be turned off prior to powering on the transmitter To enter advanced programming mode press and hold the PROG button and then turn on the power to the transmitter Hold the button until the STATUS LED changes from off to green and then finally to red This process will take approximately 7 seconds Once you are in programming mode eac...

Page 12: ...ess and release the PROG button just once If you wanted the power level to be 3 you would press and release the button three times If you do not press the PROG button within five seconds or if the value you enter exceeds what is allowed the STATUS LED will alternately flash red and green error condition occurred and no change will be made At this point you are back at the programming mode start wh...

Page 13: ...ately flash red and green error condition occurred and no change will be made At this point you are back at the programming mode start where you can select a programming option If you do make a change the STATUS LED will blink green red orange in rapid succession to let you know that the change was successful Below is a table of available hopping modes Hopping Mode Setting Single frequency w predi...

Page 14: ...mming mode press and hold the programming button on the XtremeLink receiver until the STATUS LED changes from off to green and then finally red This process will take approximately 7 seconds NOTE The receiver s programming button is located on the circuit board itself and can be depressed using our radio tool available from our online store or by using a 3 32 Allen key or similar BLUNT object DO N...

Page 15: ... Red 1 Set Channel Map Solid Green 2 Set Country Solid Orange 3 Not Used Blinking Red 4 Set Failsafe Map Blinking Green 5 Set Failsafe Time Blinking Orange 6 Telemetry Setup Figure 7 XtremeLink receiver programming button location ...

Page 16: ...ce followed by a one second pause Every time you press and release the programming button the channel map position will advance by one The channel map position begins at output 1 one flash and ends with the number of channels that your receiver has So the 8 channel XtremeLink has eight possible channel map positions while the 10 channel XtremeLink receiver has ten possible channel map positions To...

Page 17: ...y setting For example the default country level is 1 so the STATUS LED will flash just once After the flashing stops you have five seconds to change the country To change the country press and release the programming button the number of times necessary to equal the country from the list below For example if you wanted to set the country to France you would press and release the programming button...

Page 18: ...ilsafe control for each channel output individually You can set each channel to either hold last position or to use the user defined position discussed in section 4 NOTE The default for ALL outputs is hold last position With the STATUS LED blinking red press and hold the programming button until the STATUS LED turns off The STATUS LED will now flash orange the number of times equal to the current ...

Page 19: ...ve seconds or if the value you enter exceeds what is allowed the STATUS LED will alternately flash red and green error condition occurred and no change will be made At this point you are back at the failsafe map position where you can advance to the next channel There is no way to get back to the programming mode start with this feature other than by powering off the receiver and re entering the a...

Page 20: ...5 seconds or if the value you enter exceeds what is allowed the LED will alternately flash red and green error condition occurred and no change will be made At this point you are back at the programming mode start If you do make a change the LED will blink green red orange in rapid succession to let you know that the change was successful FUNCTION 6 TELEMETRY SETUP With the STATUS LED flashing ora...

Page 21: ...er s in binding mode BEFORE putting the transmitter in binding mode Starting with firmware version 3 0 you can have as many slave receivers and a single master receiver bound together If you are not using slave receivers please skip the Slave Receiver binding information below and start with the Master Receiver section Binding the XtremeLink System Slave Receiver s Power on your XtremeLink receive...

Page 22: ...release the button Once the button has been released the units should bind All STATUS LEDs will turn green when a successful bind has occurred If any STATUS LED does not turn green repeat the binding procedure YOU MUST power off your transmitter and receiver s after binding Your XtremeLink system is now ready for use NOTES The XtremeLink receiver s STATUS LED will be green during normal operation ...

Page 23: ...e used 2 Turn on the radio system so servo movement can be observed 3 Using flat ground pavement low cut grass or dirt place the R C device so that the receiver antenna is no less than 6 from the ground This might require you elevating the R C device during the testing 4 Hold your transmitter waist high away from your body 5 Press and hold the PROG button on the transmitter module 6 Walk to a dist...

Page 24: ...n The STATUS LED will begin alternately flashing red and green for about 8 seconds During this time move your sticks and switches to the where you would like them during a failsafe condition NOTE Only those channels programmed in the failsafe map will change to a user defined position All other channels will hold their last positions when a failsafe occurs Servo Outputs The 8 and 10 channel receiv...

Page 25: ...ire at least 3 5 volts or they will reboot By comparison non computerized receivers will work on just fractions of a volt and never reboot Recommend Power Setups for XtremeLink Receivers 4 cell packs 4 cell packs will work fine with XtremeLink receivers providing you have adequate capacity The rule that we use is no less than 350mAh for each analog servo and no less than 500mAh for each digital se...

Page 26: ...awing excessive current is by unplugging all of the servos from the XtremeLink receiver power on the system so the STAUS LED is green and then plug each servo into the XtremeLink receiver one by one observing the STATUS LED If the STATUS LED doesn t turn solid orange until you start moving the controls then your input voltage is not adequate Please remember that wall chargers included with most ra...

Page 27: ...put voltages with heat or load BECs built into Electronic Speed Controllers ESCs must have enough current capacity to properly power the XtremeLink receiver We have seen many controllers that will not work These are easy to spot as the XtremeLink receiver s STATUS LED will immediately turn solid orange or in worst case conditions cause the receiver to reboot over and over again Although switches m...

Page 28: ... receiver s servo connection bus For example when using an XtremeLink 10 channel receiver power should be connected to the B T port and channel 10 even if a Y cable is required Using two separate flight packs on each end of the servo bus will give you double the current capacity and a functioning system if one pack were to fail PLEASE NOTE THAT THE 6 CHANNEL PARK FLYER RECEIVERS DO NOT HAVE A LOW ...

Page 29: ...y interference received including interference that may cause undesired operation WARNING To satisfy FCC RF exposure requirements for mobile transmitting devices a separation distance of 20 cm or more should be maintained between the antenna of this device and persons during device operation To ensure compliance operations at closer than this distance is not recommended The antenna used for this t...

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