[WT-support] Speed jumps up occasionally

[Bob Wilson, N6TV]

Now that I look at DL6ZBN's Winkey log a little closer, it does seem that
Win-Test is doing something strange.

DL6ZN has a message programmed as ++5NN--14.  With his keyer set to 25 WPM,
the COM port log shows:

0244337018:  H-TX: 1C 21 35      [Change Speed Buffered: 33WPM] 5
0244337111:  H-RX: C0      [status: WAIT=0, KEYDOWN=0, BUSY=0, BREAKIN=0,
XOFF=0]
0244337111:  H-RX: C4      [status: WAIT=0, KEYDOWN=0, BUSY=1, BREAKIN=0,
XOFF=0]
0244337470:  H-RX: 35     5
0244337470:  H-TX: 4E     N
0244337751:  H-RX: 4E     N
0244337767:  H-TX: 4E     N
0244338047:  H-RX: 4E     N
0244338063:  H-TX: 1C 19 31      [Change Speed Buffered: 25WPM] 1
0244338781:  H-RX: 31     1
0244338781:  H-TX: 34     4
0244339280:  H-RX: 34     4
0244339295:  H-TX: 1E      [Cancel Buffered Speed Change]

That last cancel buffered speed change command could be the cause of the
speed jump problems.  Maybe the Winkey only "cancels" the prior change speed
buffered command (to 25 WPM) when it sees that, leaving the keyer at 33
WPM.  Maybe the command is ignored if the buffer is empty when the command
is received?  Maybe someone Winkey chip versions handle the 1E command
better than others?

Maybe Win-Test should just issue an *unbuffered* Change Speed command <02>
at the beginning of every message, or whenever the Escape key is hit, before
it sends anything else, as a quick fix for these speed jump problems.

73,
Bob, N6TV

On Wed, Dec 1, 2010 at 4:50 PM, Bob Wilson, N6TV <n6tv at arrl.net> wrote:

> On Wed, Dec 1, 2010 at 12:58 PM, Braco OE1EMS <oe1ems at emssolutions.at>wrote:
>
>>  setup at E7DX is
>> PC1 Win XP Pro SP2 / 1 GB RAM   using MK2R+ (winkey)
>> PC2 WIN XP Pro SP2 / 760 MB RAM using MKII (winkey)
>>
>
> This second PC really needs more RAM to avoid swapping, but I'm not sure if
> that could affect how quickly commands are sent from Win-Test to the Winkey
> (it might).
>
> What version of Winkey CHIP is inside these microHAM boxes?  Win-Test
> reports the detected Winkey version in red letters at the bottom of the
> logging window when you first start Win-Test.
>
> DL6ZBN provided a microHAM communications log between the Winkey and
> Win-Test that showed no errors, even though there was a speed jump heard
> (actually a failure of the Winkey to perform the Send Buffered Speed change
> command that it received from Win-Test).  He also reports using a Winkey v10
> chip, which may be the real problem.  It's a little tricky, but with the
> covers off, you *can *replace the Winkey chip inside an MK2R/MK2R+ using a
> long thin screwdriver, without having to completely disassemble the unit.
> An IC pin straightener is recommended to be used on the new chip before
> attempting to plug it into the chip socket.
>
> speed jumps up for about 4-6 WPM for leght of whole mesage doe wxample
>> CQ on both mashines!
>>
>
> A microHAM Winkey COM port communications log captured at the time of the
> speed jump would indicate if Win-Test and the Winkey had a problem
> communicating, or if Win-Test sent something "wrong".  In DL6ZBN's log,
> everything looked fine.  It's as if the Winkey received the command, but
> ignored it.
>
>
>> We have 3 other PC in use (one more compaq and 2 IBM´s core duo) on the
>> mult stations as well with MK II, but those are Mult operating positions.
>> Never notice such problemm there, but no real CQ-ing there!!!
>>
>
> What version of Winkey chip do they use?
>
> 73,
> Bob, N6TV
>
>
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