[GreenKeys] UGC-136BX helpful hint #1

[Nick England]

I’ve started posting helpful hints at
https://www.navy-radio.com/tty/ugc136.htm#hints

Additions and comments welcome!
Nick England K4NYW
www.navy-radio.com


On Thu, Jul 24, 2025 at 6:59 PM Nick England <navy.radio at gmail.com> wrote:

> If you get really desperate and read the manual, you might avoid my
> frustration at getting my new toy working.
>
> BITE was okay. Hooked TXD to RXD and got echoed characters okay. But I was
> printing garbage from my test generator and eventually figured out I needed
> to invert the signals. So I flipped the invert switch and nothing changed.
> When is a switch not a switch? When it has to be read by software….
>
> Time to RTFM - this thing has 3 ports and I was guessing that maybe one of
> the unused ports was messing with Port 1
> AHA! Table 2-4 starting at step 11
> Yes Port 3 was set to Bulk Storage so I set it to N to disconnect it. No
> joy. Keep reading.
>
> Oh, you have to re-initialize a port after changing a configuration switch
> (e.g. INVERT)
> See steps 11-20
> Hurrah, I can send and receive!
> Now you too know how to invert signals if needed in your setup.
>
> On to read more about messages, etc.
> what fun!
>
> No, I have no info on Bulk Storage or Page Display peripherals.
>
> Nick England K4NYW
> www.navy-radio.com
>
>
> On Wed, Jul 23, 2025 at 8:30 PM Nick England <navy.radio at gmail.com> wrote:
>
>> I have scanned the July 1991 edition of the UGC-136BX manual.
>> To make things easier to print, I have also broken out separate files of
>> the fold-out pages (some are 11x48) and the letter-sized pages (8.5x11).
>> The complete thing is about 300MB. Links are at
>> https://www.navy-radio.com/tty/ugc136.htm
>>
>> Please let me know if I need to re-scan anything.
>>
>> Have Fun!
>> Nick England K4NYW
>> www.navy-radio.com
>>
>>
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