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Thread: APX XE SP Channel Knob?

  1. #26
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    Quote Originally Posted by aloha View Post
    Why would Motorola have a part that anyone can look up, but no one can buy? If its a restricted part, its a restricted part.
    Because they're Motorola, of course. Dealing with them for over 25 years, it has never been this bad. And customer diservice is of no help.....


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    Quote Originally Posted by ppcradioman View Post
    Because they're Motorola, of course. Dealing with them for over 25 years, it has never been this bad. And customer diservice is of no help.....
    So I've noted, my order for CPS is on credit hold, day 20 yet.

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    If we're being real here... I don't get the appeal of these things. The short stubby non-XE channel knob that was discontinued early in APX production was a much better option imo.
    "The Girl Scouts found several hungry REACT members at the finish line..."

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    Quote Originally Posted by escomm View Post
    Why would you have an item on your site you know you can't sell and Motorola even went so far as to personally contact you about? Other than clickbait, of course. What a travesty!
    We were able to order them, so we had them listed. Far from clickbait. Don't be a hater Jeff.

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  9. #30
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    43586F0F-393B-49D4-BE25-49B8A8BABFAB.jpg
    Quote Originally Posted by discombobulated View Post
    I will get started on making a model for this soon. I will try to make it fit the standard and the XE. Are the 7000XE and 8000XE physically the same? I have not laid my hands on an 8000 yet. The drawing helps a lot, but does anyone have a more clear picture of the knob?

    Sent from my VS987 using Tapatalk
    Found this picture...it is a little bit more clear.

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    67213623-F518-4E47-BB71-E0AD1E7D346F.jpgHere are some custom knobs we have been making. Also, a custom holder we are about to start producing for all APX models90D9D61C-24A0-41F1-9F6A-02129B8014F0.jpg

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  12. #32
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    Very interested in the carry holder. While the Talon is OK, it's only available for XE radios and really beats up the control top.

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    So I have been working on this every once in a while and have almost completed everything I wanted. I have made a good fit prototype for the 6/7/8000 and have almost completed the fitting on the XE model. Here is a rendering of the FDNY knob along with some photos of it on a 7000 and a 7000XE. The one on the 7000 is printed at a layer height of 50 microns and the one of the XE was a quick print at 300 microns because it is easier for testing. There is a picture of the original XE knob along side the FDNY knob which is slightly bigger.






    I have also been working on an alternate knob for the 6/7/8000. I think the original fat knob is good enough but I don't like the skinny knob. This knob turns nicely and I think looks nice on the radio. It does cover the channel labels but it displays what channel you are on as well as the adjacent channels.




    Let me know what you think. When I am done I will upload the files so you can get some printed. One note, I have tried to use without the steel retainer and I think that the use of it is required to have a good fit and not fall off. So I have made these to use one. for the 6/7/8000 series they are extremely difficult to get out of the stock knob and they don't come separate from knobs. However, I have found some matches on other radios and I will give the list of fitting inserts that will work with this as well.

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    Very nice work. What exactly do you mean by steel retainer? I don't believe my 7000 has that on its knobs.

    Another idea - have you thought about maybe using a small set-screw? Not the most ideal for rugged use but then again these are 3D printed knobs to begin with...

    Definitely planning on printing a few once you release the files. I'll probably send them off to shapeways to be printed on an SLS machine for very high detail.

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    Quote Originally Posted by axel View Post
    Very nice work. What exactly do you mean by steel retainer? I don't believe my 7000 has that on its knobs.
    I dont have a macro lense but this is what I mean. Most commercial knobs have them. I can produce files with and without.

    Sent from my VS987 using Tapatalk

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    Quote Originally Posted by discombobulated View Post
    So I have been working on this every once in a while and have almost completed everything I wanted. I have made a good fit prototype for the 6/7/8000 and have almost completed the fitting on the XE model. Here is a rendering of the FDNY knob along with some photos of it on a 7000 and a 7000XE. The one on the 7000 is printed at a layer height of 50 microns and the one of the XE was a quick print at 300 microns because it is easier for testing. There is a picture of the original XE knob along side the FDNY knob which is slightly bigger.

    [snip images]

    I have also been working on an alternate knob for the 6/7/8000. I think the original fat knob is good enough but I don't like the skinny knob. This knob turns nicely and I think looks nice on the radio. It does cover the channel labels but it displays what channel you are on as well as the adjacent channels.

    [snip images]

    Let me know what you think. When I am done I will upload the files so you can get some printed. One note, I have tried to use without the steel retainer and I think that the use of it is required to have a good fit and not fall off. So I have made these to use one. for the 6/7/8000 series they are extremely difficult to get out of the stock knob and they don't come separate from knobs. However, I have found some matches on other radios and I will give the list of fitting inserts that will work with this as well.
    Great work! Here are a few pictures that can help further.
    The white area on the base of the knob in the drawing is where on the real knob it is filled in white to mark the channel. 738D43EB-452D-4641-90CF-74CFC8825659.jpg
    E77C2830-64B7-44E3-A2CB-445FED68C4AC.jpg
    Last edited by triptolemus; Jun 01, 2018 at 11:02 PM. Reason: Please avoid quoting large images.

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    I was able to get some much better pictures of the knob. Also, look at the volume knob, it looks like maybe an RFID knob for the XE maybe?
    100B10F0-B693-4AE1-88B1-684BF9F6C866.jpgD3636015-39E8-4BA4-B0DB-D3BDBD96D4AA.jpgB62E0CBC-17ED-4CA5-8995-B6EEB75479E7.jpg

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  20. #38
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    Nice photos. Looks like the main difference is the top is smaller than mine is. Here is my finished one that fits good. Do you want the top smaller? Would be less torque, haha.

    Also, the top part looks like a copy paste of the 3000/5000 channel knob, lol. Wonder how much they paid for that.


    Sent from my VS987 using Tapatalk

  21. #39
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    Quote Originally Posted by discombobulated View Post
    Nice photos. Looks like the main difference is the top is smaller than mine is. Here is my finished one that fits good. Do you want the top smaller? Would be less torque, haha.

    Also, the top part looks like a copy paste of the 3000/5000 channel knob, lol. Wonder how much they paid for that.


    Sent from my VS987 using Tapatalk
    Yes, you are right. The top of this knob is the exact same as the XTS5000/3000 series. And knowing motorola and the city of New York, it probably cost a ton!

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    Kj553, that's definitely an RFID knob for the XE. New! Thanks for the closer photos

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    Quote Originally Posted by sjxts3000 View Post
    Kj553, that's definitely an RFID knob for the XE. New! Thanks for the closer photos
    No problem!

    Take a look at this photo...looks like some special screw on the speaker mic connector. Id imagine so it doesnt unscrew easily? Only problem with this is, if the speaker mic fails or say the cord gets damaged and the mic no longer works, in an emergency situation the user will not be able to hear any audio coming from the radio...unless of course they had the special screw driver to remove it.
    24F9B459-4B98-40AC-85A0-BB93C1A89AB5.jpg

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    Thats the ATEX screw. I have it on my ANC ATEX RSM. Supposed to be for UL IS as well, I believe. I know you can program the mic to be either radio (if radio PTT was used) or RSM (if RSM PTT was used) but not sure about speaker. Maybe theres a button setting assignment to switch off the RSM?

  26. #43
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    Quote Originally Posted by sjxts3000 View Post
    That’s the ATEX screw. I have it on my ANC ATEX RSM. Supposed to be for UL IS as well, I believe. I know you can program the mic to be either radio (if radio PTT was used) or RSM (if RSM PTT was used) but not sure about speaker. Maybe there’s a button setting assignment to switch off the RSM?
    Do you have a picture of this screw? I have not seen it before.

    And as far I know yes, you can transmit from either the speaker mic or the radio but audio is always routed to the speaker mic. I do not believe you can turn this on/off. But I am not certain...maybe someone else can chime in.

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    Quote Originally Posted by Kj553 View Post
    Do you have a picture of this screw? I have not seen it before.

    And as far I know yes, you can transmit from either the speaker mic or the radio but audio is always routed to the speaker mic. I do not believe you can turn this on/off. But I am not certain...maybe someone else can chime in.
    See this PDF... Zoom in on photo on page 1. It's basically the same thread, but the head is a round hex nut type....not thumb screw. A good indication that parts are "ATEX" is that they have a lot of "black". i.e. the lapel clip base is black...the epaulet D-ring is black, and the RSM attach screw is black.

    As for the RSM audio, if the cord is "cut", wouldn't the radio detect this and revert back to "no RSM attached" mode? (I'm not about to cut my cable to find out!) :-)

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    Actually, it's an XTS2500 AN knob top, transplanted onto an APX-fitting cylinder. I usually swap my BN XTS2500 knobs out to AN ones, they are easier to grip than the skinny BN knobs. Also, the XE RFID volume knob looks like it has a radio-wavey type symbol on top? That would be a universal "radio" icon, I guess.

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    Quote Originally Posted by Kj553 View Post
    No problem!

    Take a look at this photo...looks like some special screw on the speaker mic connector. Id imagine so it doesnt unscrew easily? Only problem with this is, if the speaker mic fails or say the cord gets damaged and the mic no longer works, in an emergency situation the user will not be able to hear any audio coming from the radio...unless of course they had the special screw driver to remove it.
    24F9B459-4B98-40AC-85A0-BB93C1A89AB5.jpg
    How old is the photo? I had radios with screw but they were changed to standard ones during testing. Unless ems is getting something different then fire

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    Quote Originally Posted by Kj553 View Post
    Do you have a picture of this screw? I have not seen it before.

    And as far I know yes, you can transmit from either the speaker mic or the radio but audio is always routed to the speaker mic. I do not believe you can turn this on/off. But I am not certain...maybe someone else can chime in.
    I realized I forgot the PDF link
    https://www.motorolasolutions.com/co..._Practices.pdf

    back to the thread topic: I cant see how this new SP knob is better than the standard one. This SP knob looks like it could catch on things and shear off.

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    I have made the top smaller. The original one is the same size as the base but the top is smaller on the new one and looks right in comparison to the FDNY. I held it up to a xts5000 knob and it is pretty much the same size as that one.

    Sent from my VS987 using Tapatalk

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    Quote Originally Posted by tbendick View Post
    How old is the photo? I had radios with screw but they were changed to standard ones during testing. Unless ems is getting something different then fire
    This photo is from Wednesday. I haven’t seen many fire APX radios up close yet.

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    Quote Originally Posted by sjxts3000 View Post
    I realized I forgot the PDF link
    https://www.motorolasolutions.com/co..._Practices.pdf

    back to the thread topic: I can’t see how this new SP knob is better than the standard one. This SP knob looks like it could catch on things and shear off.
    I’m curious as to the feedback from FDNY and as to the functionality with these knobs? I’m wondering if they did this since they used the XTS3500/5000’s and they have the same knobs? Maybe a comfort thing?