Thanks for the replies. I'll get to work on them...
73,
Barry
Joe Subich, W4TV wrote:
> Barry,
>
> There are a lot of USB to Serial adapters that do not support
> 5 bit codes or data rates less than 300 bps. With those adapters,
> you will need to use EXTFSK (even with FSK on TxD).
>
> Using a generic USB to COM converter with FSK on TxD, CW on DTR
> and PTT on RTS works fine with most software that uses MMTTY for
> RTTY as long as the application suspends MMTTY when not in RTTY
> mode and releases the serial port (to MMTTY) when in RTTY. Those
> applications that do not do so will require two USB -> Serial
> converters: one for CW/PTT and one for FSK/PTT.
>
> 73,
>
> ... Joe, W4TV
>
>
>
>> -----Original Message-----
>> From: rtty-bounces@contesting.com
>> [mailto:rtty-bounces@contesting.com] On Behalf Of Barry
>> Sent: Tuesday, October 02, 2007 8:35 AM
>> To: RTTY
>> Subject: [RTTY] MMTTY and USB/COM port problem
>>
>>
>> Hi all.
>> I recently replaced my shack computer and radio due to lightning
>> damage. I finally got around to wiring up the DIN plug for RTTY
>> and it's not working.
>>
>> I'm using MMTTY in FSK mode with an IC7800. The computer is a
>> Dell Inspiron laptop (XP Home) using a USB to COM port converter.
>> The COM port works fine on CW (with Writelog) and closes the PTT
>> in RTTY, but I'm not getting the tones shifting. All I hear is
>> a clicking under the single tone when in monitor mode. Any ideas?
>>
>> Tnx,
>> Barry W2UP
>>
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>> RTTY@contesting.com
>> http://lists.contesting.com/mailman/listinfo/rtty
>>
>>
>>
>
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>
>
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