There is an ini file setting to handle just this case! I had asked for it a
long time ago to solve a similar need.
Add the following to the [Configuration] section of writelog.ini:
Set LptABSense to 1 to reverse the sense of WriteLog?s use of the Radio A/B
line on an LPT port.
LptABSense=0
Randy, K5ZD
> -----Original Message-----
> From: writelog-admin@contesting.com
> [mailto:writelog-admin@contesting.com]On Behalf Of Larry Schimelpfenig
> Sent: Friday, September 20, 2002 13:49 PM
> To: writelog@contesting.com
> Subject: [WriteLog] SO2R A/B ASSERTION
>
>
> If this appears to be a bit anal, so be it, but I want to make sure my
> conclusion is correct, so I turn to this body of expertise!
>
> During the past year I made my second venture into SO2R on cw, using
> mechanical switches. While I found again that it was just too cumbersome,
> ability to use a second receiver to spot band openings and mults made the
> effort worthwhile.
>
> I finally decided it was time to try using some automation to do SO2R and
> I'm heading that direction in phases. The first phase of the
> project was to
> switch keying on cw (low power/QSK) between radios as part of the A/B
> selection function in WL. So I put a nifty little Radio Shack relay and a
> transistor in my keyer to direct the keyer output between the
> radios. Works
> great, and I can see where it's going simplify things so my ole brain may
> even be able to use 2 radios to transmit as well as receive.
>
> I'm using two different radios. The IC746 is to the left, partly
> because is
> a bit smaller, so it leaves more room on the bench for the
> keyboard. The 746
> is also the predominently used radio. The radio to the right is a TS850.
>
> Here's the rub. I would like the radio on the left to be keyed through the
> normally closed relay contacts. There are two reasons for that.
> First, if I
> have some sort of failure, so the a/b function stops working, I'd like to
> have the predominent radio available. Second, it just seems to make sense
> that the more active radio would be used with the relay in the normally
> closed state.
>
> >From what I can tell, the software is set up so that the right
> radio icon is
> tied to parallel port pin 14 in the non-asserted state (relay is normally
> closed). Which means that when the left radio is selected, the left radio
> icon illuminates, and pin 14 is asserted.
>
> Does this make sense to any of you out there in radioland, and can any of
> you think of any way of changing it. While I've looked high and
> low through
> documentation and help files, I'm finding nothing!
>
> Once I have completed this, it's on to an SO2R box that will switch mikes,
> transmit audio, PTT, keying and maybe even ear phones. Between the WL,
> AA5AU, K9JY and other webs sites as well as my trusty old NA software
> documentation, there's a plethora of info on going to SO2R, and it doesn't
> have to be an expensive proposition if you don't mind a little
> homebrewing.
> Then again if you are a QCAO (quarter century appliance operator), the
> interfaces available from the WL folks, WX0B, N3RD and ZS4? all
> appear to be
> great ways to go.
>
> 73 de Larry K7SV
>
> _______________________________________________
> WriteLog mailing list
> WriteLog@contesting.com
> http://lists.contesting.com/mailman/listinfo/writelog
|