[GreenKeys] Precise baud timing

Windows XD antech6586856 at gmail.com
Fri Nov 14 00:14:10 EST 2025


OK now this is kind of embarrassing: my program and setup was completely
fine. One of the type bar carriage actuating arms was not adjusted
correctly and typing incorrect bits half the time, leading to my problem.
Once I fixed it, my program worked flawlessly in its original pre-debugging
state. Thank you all for your help though, it helped me check my codes
parameters!

On Wed, Nov 12, 2025, 5:39 PM Windows XD <antech6586856 at gmail.com> wrote:

> First data bit that is not the start bit.
>
> On Wed, Nov 12, 2025 at 5:37 PM Windows XD <antech6586856 at gmail.com>
> wrote:
>
>> I just tested it, and I found that what I'm doing is repeatable, the
>> first bit seems to get stuck on on like the first fifth of the print
>> starting from the left edge. Not sure what could be causing that but will
>> test later.
>>
>> On Wed, Nov 12, 2025 at 3:56 PM til128 at juno.com <til128 at juno.com> wrote:
>>
>>> I might be a little late to this conversation, but I would like to quote
>>> from the manual:
>>>
>>> The five unit code is composed of five selecting impulses which may be
>>> either MARKING (current) or SPACING (no-current) according to the code
>>> sequence of the character to be transmitted. Each group of five selecting
>>> impulses is preceded by a start impulse (no-current) and followed by a stop
>>> impulse (current) which are used to maintain synchronism between the
>>> transmitting and receiving apparatus.
>>>
>>> Tom Tillson
>>>
>>>
>>> ---------- Original Message ----------
>>> From: Paul Heller via GreenKeys <greenkeys at mailman.qth.net>
>>> To: John W9DDD <w9ddd at tapr.org>
>>> Cc: Greenkeys <greenkeys at mailman.qth.net>
>>> Subject: Re: [GreenKeys] Precise baud timing
>>> Date: Wed, 12 Nov 2025 17:09:26 +0100
>>>
>>> Ah, those are the seven bits! Sorry for my confusing email.
>>> Paul
>>>
>>>
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>>
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