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Re: [Trlog] CW keying on Toshiba

To: <trlog@contesting.com>
Subject: Re: [Trlog] CW keying on Toshiba
From: Philipp <phil.loretz@bluewin.ch>
Date: Sat, 16 Apr 2005 17:13:41 +0200
List-post: <mailto:trlog@contesting.com>
Thank you Mirko

You were right, the interface I used had an optocoupler. Now we have tried
an LPT interface with a plain transistor.
Keying now okay.

73 Phil, HB9FMU

Am 16.4.2005 11:22 Uhr schrieb "Mirko Sibilja" unter <s57ad@amis.net>:

> It is known laptop problem, due to low voltages... I got LPT interface with
> two 4N32 optocouplers which works excellently on desktop PC but wont key
> transmitter on laptop. LPT interface with two plain transistors works OK,
> tho'!
> 
> 73!  Mirko, S57AD
> ----- Original Message -----
> From: "Philipp" <phil.loretz@bluewin.ch>
> To: <trlog@contesting.com>
> Sent: Friday, April 15, 2005 9:46 PM
> Subject: [Trlog] CW keying on Toshiba
> 
> 
>> Hi all
>> 
>> I am trying to set up a Toshiba laptop 300 CDS for the Helvetia Contest.
>> TR is running but it doesn't key the transceiver.
>> 
>> I have chosen the parallel port and the cfg is okay.
>> The same interface works okay with my other laptop Compaq.
>> 
>> First I thought the parallel port is broken, but I can use my printer
> using
>> the same port without any problems.
>> 
>> Is there a known Toshiba problem?
>> If yes, how can I fix it?
>> There aren't any other Pcs left in my shack running Windows 98...
>> 
>> 73 Phil, HB9FMU
>> 
>> _______________________________________________
>> Trlog mailing list
>> Trlog@contesting.com
>> http://lists.contesting.com/mailman/listinfo/trlog
> 

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