RE: Spektrum DX-7  
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    • All Forums >> Radios, Batteries, Clubhouse and more >> RC Radios, Transmitters, Receivers, Servos, gyros >> RE: Spektrum DX-7
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    RE: Spektrum DX-7 - 2/22/2008 5:21:37 AM   
    gooseF22


     

    Posts: 704
    Joined: 8/12/2006
    From: Fort Wayne, IN, USA
    Status: offline     		Quick connect update is a prom update for the receivers only. there are NO recalls or messages for the transmitter.

    that was my last info.

    to test, cycle the power on RX with TX on and working. if it blinks....its the new one.

    _____________________________

    Goose
    Team Fromeco

    (in reply to fiveoboy01)
           Post #: 2651

    RE: Spektrum DX-7 - 2/24/2008 9:46:50 PM   
    mondo1948


     

    Posts: 5
    Joined: 12/7/2007
    From: Rocky Hill, CT, USA
    Status: offline     		Hi Guys,
    I've really appreciated reading so much useful information about the DX7, since I just bought one. I have a question for all you current owners of the DX7. My buddy told me yesterday that after 4-5 years, you need to mail the transmitter back to Horizon to get the transmitter's battery replaced. Is that true because I didn't see that in the manual? My buddy has the older DX6 and was thinking about replacing it with the DX7 (he wants the "model match" feature, however, his thinking now is that he should keep the DX6 and buy a DX6I because "then he will have a transmitter to fly with while he sends the other one back in a few years for the transmitter's battery replacement. I wonder if his thinking is convoluted. Personally, I don't think he'll be happy with the DX6 once he gets the DX6I.

    My buddy is telling me that he will probably buy the new DX6I rather than the DX7 because it is also "newer" technology. I thought the DX6I is just an upgrade to the DX6, so people with larger planes, who need to be able to fly further away, can still maintain radio connection (the DX6 was advertised as having a "shorter" range for park flyers that don't fly that far away). Also, my buddy thinks the user interface is supposed to be easier in the new DX6I and therefore he may buy it, rather than the DX7.

    I'd like to know the answers to these questions because at this point, I could sell my DX7 (it's essentially brand new) and buy the DX6I, if there are good reasons to do so. By the way, I don't care about the 20 model memory in the DX7 vs. the 10 model memory of the DX6I because I live in a condo and probably won't go beyond 10 planes. Also, I'm not sure when, if ever, I will need the 7 channels. I bought the DX7 transmitter without receiver/servos for $170.00 on Ebay before I realized there even was a DX6I.
    Any insight would be greatly appreciated.

    Mondo

    (in reply to fiveoboy01)
           Post #: 2652

    RE: Spektrum DX-7 - 2/24/2008 10:10:39 PM   
    smooreace


     

    Posts: 427
    Joined: 12/30/2006
    From: Scranton, KS, USA
    Status: offline     		There is no set frequency of replacement for the internal battery in the transmitter, but it will have to be replaced someday. When it dies all you settings and binds will be lost. I would imagine that replacing the battery at all will erase all the settings as well. I was going to replace mine every 3 or 4 years just to be on the safe wide. It would proably void the warentee, but I will be replacing mine myself.
    No reason to mail the thing in to plug in a battery. Its like shipping a car off to get air put in the tire. If you can build and maintain an airplane, taking apart the transmitter shouldnt be beyond your grasp.

    I know in the past there was a post, with pictures I think, about this procedure. It was months ago though, try doing a search for it.

    (in reply to mondo1948)
           Post #: 2653

    RE: Spektrum DX-7 - 2/24/2008 10:17:02 PM   
    Flypaper 2



    Posts: 4337
    Joined: 3/29/2002
    From: Kingston, ON, CANADA
    Status: offline     		DX7 doesn't have a replaceable batt. I believe the DX6 has.
    PS.. Found out since, the DX6 also has burned in memory with no batt.

    < Message edited by Flypaper 2 -- 2/25/2008 2:02:44 PM >

    _____________________________

    Gord
    Dreamed I was a muffler. Woke up exhausted.

    (in reply to smooreace)
           Post #: 2654

    RE: Spektrum DX-7 - 2/25/2008 1:56:28 PM   
    Zeeb



    Posts: 1899
    Joined: 11/11/2004
    From: Pleasant Grove, UT, USA
    Status: offline     		First; the DX6i isn't available yet unless you buy a Blade 400 heli and it comes with one that uses the 4 AA size alkaline batteries rather than the NiCD's the new radio sets will have.

    Second; the DX6i is a DMS2 system with an AR6200 rx which is a "full range" system for all model types. The DX6 is a "Park Flyer" system with reduced range and will only operate an AR6000 Park Flyer rx. The DX6 is a DMS1 (that's why it won't operate any rx except the 6000) system which also use more power so your batteries don't last as long.

    Third; the DX6i is a cute little radio, but is no where near as capable as the DX7. For one it only has two mixes where the DX7 has 6, as well as more built in mixes. The programing between the two is very nearly identical except for the features the DX6i does not have.

    Fourth; rather than the DX6i being considered an upgrade of a DX6 with the differences in the DMS technology and it's full range capabilities, I think I'd call it a downgraded or less expensive version of the DX7.

    As for replacing an onboard battery in the tx, I'll have to plead ignorance because I've not really dug into that but I was under the impression that the DX7 used an EEPROM chip for the model memory and those do not require an onboard battery to retain the models stored in the tx. Since I've got a DX6i, a DX7 and an X9303, I guess I'll have to dig into that and find out...

    _____________________________

    Zeeb

    (in reply to Flypaper 2)
           Post #: 2655

    RE: Spektrum DX-7 - 2/25/2008 3:58:55 PM   
    smooreace


     

    Posts: 427
    Joined: 12/30/2006
    From: Scranton, KS, USA
    Status: offline     		Ok, taking mine apart today... I know I saw a thread about it long ago... but for the life of me I cant find it now. Maybe Im confusing it with the fuse replacement conversation.

    (in reply to Zeeb)
           Post #: 2656

    RE: Spektrum DX-7 - 2/26/2008 3:02:11 PM   
    Zeeb



    Posts: 1899
    Joined: 11/11/2004
    From: Pleasant Grove, UT, USA
    Status: offline     		I've now seen posts in other threads/forums stating that the DX7 and X9303 have flash memory as I thought they did, so it would be reasonable to believe the DX6i will have the same setup.

    I think what you've seen about taking the DX7 apart has to do with the power fuse needing to be replaced, usually due to some difficulties arising from the fact that JR/Spektrum uses a center negative polarity on the charge jack, where almost everything else electronic uses center positive.

    _____________________________

    Zeeb

    (in reply to smooreace)
           Post #: 2657

    RE: Spektrum DX-7 - 2/26/2008 5:43:06 PM   
    smooreace


     

    Posts: 427
    Joined: 12/30/2006
    From: Scranton, KS, USA
    Status: offline     		I didnt get around to taking mine apart yet as I was going to, but I did have to replace my fuse once already. I blew it when I was pluggin the transmitter into my computer with a USB cable. I forgot to unplug the USB cable from the computer PRIOR to pluggin into the transmitter, so I gave it a 5 volt zap. Thank god for fuses!! My radio was only 3 days old and I had already fried it. Needless to say there were a lot of words mumbled that I cant post here.

    (in reply to Zeeb)
           Post #: 2658

    RE: Spektrum DX-7 - 3/1/2008 5:11:25 PM   
    tclaridge



    Posts: 481
    Joined: 1/28/2005
    From: Fairfax, VA, USA
    Status: offline     		I had to replace the fuse once. Got about 4 from Radio Shack for $2.5. I did not loose any memory or settings. zeeb is correct, there is no battery to replace in the DX7. It is flash memory. There was a bad rumor once that there was an internal battery for model memory. This is not true, and was being confused with another Tx.

    _____________________________

    AMA 896196

    (in reply to smooreace)
           Post #: 2659

    RE: Spektrum DX-7 - 3/3/2008 4:38:21 AM   
    GO24GO


     

    Posts: 67
    Joined: 2/7/2007
    From: Urbana, IL, USA
    Status: offline     		Could someone help or point me to a post within this thread that might address my question? (I've scanned and looked, but I haven't found anything) I am building a GP31 and need to gang 2 servos together for the rudder (pull pull setup). I have one servo plugged into the rudder channel and the other into the gear channel. I have messed with the offset, the sub-trim, travel adjust, etc., but I can't get the servo plugged into the gear channel to travel as far as the rudder servo. Actually, more correctly, I can only get it to match the rudder channel in one direction. It seems like the travel of the servo plugged into the gear channel is limited in one direction or the other; I have plugged it into a different channel and don't encounter the same problem. I know, then why don't I just use a different channel? Well, because on this plane each aileron and elevator needs its own servo - so I have to use the gear channel for something. I suppose I could just do the y-harness to the rudder channel, but I am worried I won't be able to trim things out just right. Here's the mix set up I have now: Mix 1: Gear gear with rate at -100% both directions. Mix 2: Aileron Aileron. Mix 3: INH Mix 4: Rudder Gear with both rates at +100%. Mix 5: Elevator - Aux 2. Any help would be SOOOO appreciated

    (in reply to tclaridge)
           Post #: 2660

    RE: Spektrum DX-7 - 3/3/2008 4:59:27 AM   
    smooreace


     

    Posts: 427
    Joined: 12/30/2006
    From: Scranton, KS, USA
    Status: offline     		I would bet that the best plan for you would be to use a "Y" harness on the alirons ( since that control surface is a little more forgiving if both surfaces arent exactly the same, and use the guide on rcaerobats website for Dual ELEVATOR and DUAL Ailerons. But set it up for Dual elevator and Dual Rudder. I dont think there are enough mixes with trim to hande 3 dual-channel mixes. RCAerobats website and more spacifically here is the guide.

    (in reply to GO24GO)
           Post #: 2661

    RE: Spektrum DX-7 - 3/4/2008 2:03:34 AM   
    med601


     

    Posts: 70
    Joined: 11/29/2003
    From: palm coast, FL, USA
    Status: offline     		Help!
    Can anyone tell me if the dx7 is capable of assigning 3 rates to the flap switch.
    I'v managed to assign dual rates to the flap switch but i would like to have triple rates.
    is the Dx7 capable of that?

    (in reply to smooreace)
           Post #: 2662

    RE: Spektrum DX-7 - 3/4/2008 2:33:17 AM   
    ruwafl


     

    Posts: 74
    Joined: 7/25/2005
    From: Eastover, SC, USA
    Status: offline     		dual rates only. sorry

    (in reply to med601)
           Post #: 2663

    RE: Spektrum DX-7 - 3/4/2008 2:57:22 AM   
    gooseF22


     

    Posts: 704
    Joined: 8/12/2006
    From: Fort Wayne, IN, USA
    Status: offline
    quote:

    ORIGINAL: GO24GO

    Could someone help or point me to a post within this thread that might address my question? (I've scanned and looked, but I haven't found anything) I am building a GP31 and need to gang 2 servos together for the rudder (pull pull setup). I have one servo plugged into the rudder channel and the other into the gear channel. I have messed with the offset, the sub-trim, travel adjust, etc., but I can't get the servo plugged into the gear channel to travel as far as the rudder servo. Actually, more correctly, I can only get it to match the rudder channel in one direction. It seems like the travel of the servo plugged into the gear channel is limited in one direction or the other; I have plugged it into a different channel and don't encounter the same problem. I know, then why don't I just use a different channel? Well, because on this plane each aileron and elevator needs its own servo