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  • 9X2 Service Menu

    ** FOLLOW THE FOLLOWING PROCEDURE AT YOUR OWN RISK **

    Thought this might come in handy for some of you guys that own a 9X2 with long throttle travel wishing to add wedges to decrease the travel and get the same 'feel' as a DX7 say!
    I got this info from a knowledgeable club memeber when i got hold of a second hand 9X2. I like the weight of the 9X2 and now the shorter throttle travel.
    Fit 'wedges' and follow....

    1. Pull & Hold the spring loaded trainer switch into the forward position.
    2. Pull AILE D/R switch up.
    3. Power the set on while keeping ENT button on front panel pressed.
    4. Rotate roller activator until Trim Step is highlighted.
    5. Press roller activator on Trim Step, rotate to AILE.
    6. Switch AILE D/R down, press roller activator, switch AILE D/R up, press roller activator.
    7. Repeat Step 6 four more times and on the 5th (total) time access should be granted to the Service Menu.
    Here is a list of things you can do - should be in order as you scroll through each item. This is not a complete list, and there are likely lots of other things that can be done.
    • From here, SW test allows you to test each switch and microswitch.
    • The next menu item is Hard. Con. By rotating the selector bar it becomes obvious what can be changed by soft selection. Where the highlighter does not move it indicates that this is a hard connection on the PCB, but in conjunction with the table this can be modified accordingly.
    • Next item is Stick Neutral. Center all sticks and side trimmers, press CLR followed by STO. This then stores all the centers for the sticks.
    • Next is Stick Ga. Moving all sticks and side trimmers to max & min positions finalizes the stick calibration.
    • Moving the selector across to the right allows for setting front panel voltage, and at what voltage the alarm will activate for low battery.
    There are various ways to exit, and each one has a different effect. Total reset of system and loss of models stored, reset of the config data only. For straight calibration purposes, rotate back to EXIT and press the button next to : Reset start (No Initialized)
    The screen will go blank for about a second and then double beep and display normal front panel.

    There is a setting in the Service Menu regarding the throttle HARD.CON >Reduded TH - needs to be ON, this enables the throttle pot to be calibrated properly.

    Not sure if this works on a DX9, i haven't got one so i dont know

    HTH
    Last edited by ChrisP; 21-02-2010, 11:19 PM.
    Thanks, Chris

    Avant Aurora
    T-rex 700 LE - BeastX
    T-rex 600 NSP
    Member of ;
    SCHA www.southcheshire.rcheliaddict.co.uk
    BMFC http://byleymfc.webs.com/

  • #2
    u need lots of hands then, lol
    Chris 'CHUNK' Newby
    Trex 700E DFC_Align BL800MX_CC160HV_BL700H_BL750H_Spartan VX1n_Haiyin 5000mAh 12s
    Trex 700E DFC_Align BL800MX_CC160HV_BL700H_BL750H_Spartan VX1n_Haiyin 5000mAh 12s
    NAHC-Newton Abbot Heli Club, check out the website at WWW.NAheliclub.org.uk

    ALIGN-TREX.CO.UK team pilot
    LYNX team pilot
    SPARTAN team pilot
    Dx18

    Comment


    • #3
      Will have a look at that on my back up 9XII, and maybe see if the DX9 is the same.
      Rob
      TDR (in progress)
      SAB Goblin 700
      Vibe 90SG Vibe 500E
      Trex 700 VBar, Trex 700 BeastX
      Trex 600FBL, Trex 600NP, Trex 450Pro
      Kalt Baron30
      sigpicproud owner of Four Eddie Gold Stars

      Comment


      • #4
        I'm still after info on how to get into the DSX12 service menu if any one can help please ?
        It's good to share !
        Thanks,
        Mike.
        sigpic

        Comment


        • #5
          Originally posted by chris jones2.4 View Post
          u need lots of hands then, lol
          Had to get the missus and my two dogs to help me enter the menu lol

          Careful how you read above
          Thanks, Chris

          Avant Aurora
          T-rex 700 LE - BeastX
          T-rex 600 NSP
          Member of ;
          SCHA www.southcheshire.rcheliaddict.co.uk
          BMFC http://byleymfc.webs.com/

          Comment


          • #6
            Originally posted by ChrisP View Post
            Thought this might come in handy for some of you guys that own a 9X2 with long throttle travel wishing to add wedges to decrease the travel and get the same 'feel' as a DX7 say!
            I got this info from a knowledgeable club memeber when i got hold of a second hand 9X2. I like the weight of the 9X2 and now the shorter throttle travel.
            Fit 'wedges' and follow....

            1. Pull & Hold the spring loaded trainer switch into the forward position.
            2. Pull AILE D/R switch up.
            3. Power the set on while keeping ENT button on front panel pressed.
            4. Rotate roller activator until Trim Step is highlighted.
            5. Press roller activator on Trim Step, rotate to AILE.
            6. Switch AILE D/R down, press roller activator, switch AILE D/R up, press roller activator.
            7. Repeat Step 6 four more times and on the 5th (total) time access should be granted to the Service Menu.
            Here is a list of things you can do - should be in order as you scroll through each item. This is not a complete list, and there are likely lots of other things that can be done.
            • From here, SW test allows you to test each switch and microswitch.
            • The next menu item is Hard. Con. By rotating the selector bar it becomes obvious what can be changed by soft selection. Where the highlighter does not move it indicates that this is a hard connection on the PCB, but in conjunction with the table this can be modified accordingly.
            • Next item is Stick Neutral. Center all sticks and side trimmers, press CLR followed by STO. This then stores all the centers for the sticks.
            • Next is Stick Ga. Moving all sticks and side trimmers to max & min positions finalizes the stick calibration.
            • Moving the selector across to the right allows for setting front panel voltage, and at what voltage the alarm will activate for low battery.
            There are various ways to exit, and each one has a different effect. Total reset of system and loss of models stored, reset of the config data only. For straight calibration purposes, rotate back to EXIT and press the button next to : Reset start (No Initialized)
            The screen will go blank for about a second and then double beep and display normal front panel.

            Not sure if this works on a DX9, i haven't got one so i dont know

            HTH

            I think you could seriously F**k up your tranny if you do something wrong,which could end up being costly
            I think anyone taking this on, Does so at there own risk
            I dont think i will be taking this on

            Great info BTW

            cheers
            MARK

            Henseleit - Three Dee RIGID V-BAR v5.2
            LOGO 500 V-BAR v5.2
            GAUI X4ii
            PROTOS 500
            MINI PROTOS 6S (stretched )
            GAUI X3. 6S

            JR DSX12
            14SG S-BUS



            proud owner of 2 x EGS



            www.bmmfc.com

            Comment


            • #7
              Originally posted by mark Taylor View Post
              I think you could seriously F**k up your tranny if you do something wrong,which could end up being costly
              I think anyone taking this on, Does so at there own risk
              I dont think i will be taking this on

              Great info BTW

              cheers
              Thanks Mark, now edited a fore-warning at the top of the post.

              I was really worried when calibrating my DX7 for the first time, one wrong button press, and everything could be gone! Even the internal programming of the tranny
              Thanks, Chris

              Avant Aurora
              T-rex 700 LE - BeastX
              T-rex 600 NSP
              Member of ;
              SCHA www.southcheshire.rcheliaddict.co.uk
              BMFC http://byleymfc.webs.com/

              Comment


              • #8
                A more detailed guide can be found here:

                JR 9XII service menu - RC Helicopter Wiki

                Recalibrating the gimbals has been painless for me; I had to after MacGregor "helpfully" recalibrated it, meaning I couldn't get 0% throttle
                Neil H: Certified compatible.
                P&M Quantum 912 Golf Charlie Foxtrot Bravo Mike
                Trex500ESP/ds760;BeamE4/Jazz/2221-8/GY401;WOT4e
                Contributor to http://www.rcheliwiki.com

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