Hitec Servo Programmer

Hitec Servo Programmer (Full Version)

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Ozmodeller -> Hitec Servo Programmer (9/13/2003 4:39:21 AM)
I am sure that this topic has been done to death but being a new user of Hitec servos and the programmer I would like some info on the correct way of using it. The instructions only give the basics and I am becoming a little frustrated at my inability to work it out. Specifically, when on the bench (ganging two servos together) I am able to set rotation, DB and the centres but blowed if I can set the end points with any degree of accuracy. I am beginning to wonder if the fault is not with my feeble mind (it's the age thing) but maybe the programmer is faulty. If you can point me in the right direction (or left, pun intended) as to a thread on the use of this item I would be most appreciative. Regards, Peter

Joe Hunt -> RE: Hitec Servo Programmer (9/13/2003 11:11:57 AM)
I'm going to make a video of programming this weekend, hopefully. What I do is program the servos on the plane... remove the linkage... then plug the servo into the Programmer. I program some arbitrary center and end points and write them down (e.g., 0, -120, +120). Then I plug the servo into the RX only, turn on the radio, put back on the linkage, and check it there. I make notes on my paper of where I think I need to go from the original arbitrary numbers (maybe now it will be to try -10, -130, +110). I'll hook back up to RX only and check again. It takes me between 3 and 5 times to get this perfect. I have never got it in less than 3 tries and never taken longer than 5 tries to have it perfect. I always get flawless, absolutely perfect, linearity between elevator halves, etc.

DENNIS C -> RE: Hitec Servo Programmer (9/14/2003 3:25:49 AM)
Hey joe glad to see ya back. i myself would be interested in the VIDEO how to also. as i just switched to HITECS. and purchased the programmer too. and yes it does'nt really tell ya s***.

Joe Hunt -> RE: Hitec Servo Programmer (9/14/2003 3:32:58 AM)
I know... it's need to come with some instructions. [8D]

LeeL -> RE: Hitec Servo Programmer (9/19/2003 2:51:18 AM)
Joe; please, please, please, make the video soon I am just about ready to pull my hair out. [sm=bananahead.gif]I have 2 aileron servos on each wing and I set the center on each one independently then hook the y-harnnes back up and power up the programmer and one of the servos will move and be off center. I know I am doing something wrong but with the limited instructions sent with the unit I can't figure out what it is[sm=confused.gif]

MikeMayberry -> RE: Hitec Servo Programmer (9/19/2003 6:38:54 PM)
Are you using a Futaba TX? If so the center point is 1600us and the Hitec servos have a 1500us center. Mike.

Joe Hunt -> RE: Hitec Servo Programmer (9/25/2003 12:50:04 PM)
Part One is up on my website. [8D]

causeitflies -> RE: Hitec Servo Programmer (9/25/2003 5:30:08 PM)
Thanks Joe! I'll be buying a programmer soon so this is right on time.

LeeL -> RE: Hitec Servo Programmer (9/25/2003 5:53:27 PM)
Yes Mike I am using Futaba. I am using an 8u super tx. and a pcm rx. the problem I am having is when I set the center point on each servo independently then hook them together with a y harness and power them up one servo moves off center the other remains stationary. any ideas?

LeeL -> RE: Hitec Servo Programmer (9/25/2003 6:34:49 PM)
Joe Thanks for the vids. I now know what I was doing wrong and have corrected my error, The servos are now working the same.

Joe Hunt -> RE: Hitec Servo Programmer (9/25/2003 10:43:18 PM)
You're welcome, guys! And, now the whole 3 part series is posted. [8D]

DENNIS C -> RE: Hitec Servo Programmer (9/25/2003 10:54:34 PM)
Hey joe the video stop's playing 2 minutes in to it. is it me or you [:)]

Joe Hunt -> RE: Hitec Servo Programmer (9/25/2003 10:57:39 PM)
You were quicker than I thought! [:D] It was still uploading... it's done now! [8D]

DENNIS C -> RE: Hitec Servo Programmer (9/25/2003 11:01:34 PM)
OK joe LMAO.

Mark_O74 -> RE: Hitec Servo Programmer (9/26/2003 10:56:57 PM)
Joe I just watched your video's, nice job. It will be a lot of help to people that are just learning how to program these things. Have you ever used the "measure pulse" on the programmer? I measure the pulse output of my radio and then use the subtrim on the radio to get the center to 1500us. Setting the radio center to 1500us allows the radio and programmer to center exactly with each other, no switching back and forth to check if you got it right. Mike states above that Futaba's center at 1600us rather than the 1500us but my 8U and 9C center around 1520us. The end points don't work as well because no matter what I try I cannot get a Futaba radio to 900us and 2100us where the programmer sets the end points. My radios will only go to about 925us and 2070us at 140%. It will work fine as long as your not trying to get your throws to move bevel to bevel. I always end up with slightly less throw when I plug the servos in to the radio than what I had with the programmer for this reason, as long as you can set your throws a little longer than you are trying to achieve this works fine. Mark

DENNIS C -> RE: Hitec Servo Programmer (9/26/2003 11:40:36 PM)
Hey can you guy's explain to me what US stands for please

Joe Hunt -> RE: Hitec Servo Programmer (9/27/2003 12:23:42 AM)
I haven't, Mark... but that is great information! Sounds like you're saying by setting all the subtrims to a certain number (is that number always the same? Plane to Plane?) and setting the end points just a tad farther than you want them. That you can use the programmer as a WYSIWYG operation?

Mark_O74 -> RE: Hitec Servo Programmer (9/27/2003 1:04:58 AM)
Joe the subtrim numbers are always close but every one I have done is just a little bit differnt. Most of my subtrims are around -12 to -16 to get the 1500us center. I set my endpoints on the radio at 125 or 130 like you then hook the programmer up and use the subtrim to move the center to 1500us. Then on the servo you have to set up your servo endpoints a little farther than the travel you want because the Futaba radios won't give the same amount of throw as what the programmer does. Mark

Joe Hunt -> RE: Hitec Servo Programmer (9/27/2003 1:10:42 AM)
Thanks for that info, Mark! [8D]

DENNIS C -> RE: Hitec Servo Programmer (9/27/2003 1:22:26 AM)
Are you experts going to answer my question

Mark_O74 -> RE: Hitec Servo Programmer (9/27/2003 2:37:38 AM)
Well I'm no expert on that but I believe it is microseconds. The u is not really a u but some other symbol that looks similar to a u.

Shogun -> RE: Hitec Servo Programmer (9/27/2003 11:19:14 PM)
Joe, I watched your videos and they are a great help but I think this might be something to add to your set up that could make it a bit easier. I was having a hard time getting the 5625's matched up on my UCD and then I got an idea. I made a degree wheel and a pointer and used them to adjust the servo's to MATCH each other perfectly. 1. hold the servo securely(I use a small machinists vice) and connect the programmer. 2. use the programmer to set center at 0 degrees and set the end points to any place you desire. 3. change servos and set the next one up exactly like the previous one. 4. put them in the planr and they match perfectly. I get these results on the first try every time. Something I also noticed was that the pair of 5625's were NOT the same out of the box, one had 6 degrees more rotation on the right side travel than the other. Needless to say you will really have to work hard in the TX programming to get that eliminated so why bother with doing it that way? Just do it in the servo in the first place, they are programmable after all!

Crash90 -> RE: Hitec Servo Programmer (9/28/2003 4:39:58 AM)
I agree with Scott. Here is mine. It took me 5 minutes to put together and I get all servos set perfectly on the first try.

Joe Hunt -> RE: Hitec Servo Programmer (10/1/2003 10:40:38 AM)
Thanks, Fellas! That's great information! [8D]

will1563 -> RE: Hitec Servo Programmer (10/2/2003 3:30:50 PM)
Joe, Great video's..... very helpfull!! Thanks Bill

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