[RTTY] Yaesu FSK Question

[Tom-KE1JF]

Many Thanks for the replies, Reversed is what I was looking for.  Thanks Joe 
for the additional info,  I saw that in the manual so I appreciate your 
confirming the info for me.

Tnx & 73 Everyone,
Tom, KE1JF

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From: "Joe Subich, W4TV" <lists at subich.com>
Sent: Tuesday, August 16, 2011 11:23 AM
To: "Tom-KE1JF" <ke1jf at verizon.net>
Subject: Re: [RTTY] Yaesu FSK Question

>
> Tom,
>
> The FT-920 is a real PITA on RTTY.  Here is an application note from
> Yaesu that contains much more detail (and corrections) than the manual.
>
> In general with most Yaesu rigs you will want to set the rig for "REV"
> (mark is grounded) with any of the interfaces that have a transistor
> driven by a UART or RS-232 port (including EXTFSK with MMTTY).
>
> FSK mode in the FT-920 is "LSB" based (DATA LSB).  Be sure to also set
> the slide switch on the back of the rig for FSK.  This will mean that
> the "data" jack can not be used for AFSK or PSK31.
>
> 73,
>
>    ... Joe, W4TV
>
>
> On 8/16/2011 10:50 AM, Tom-KE1JF wrote:
>> Hello,
>>
>> I'll be helping a friend get his FT-920 going on RTTY later today so does 
>> anyone know which polarity is correct for it in FSK, normal or reversed ? 
>> I know each brand is different as to what they consider normal&  I want 
>> to leave him shifting the correct way.
>>
>> Tnx&  73,
>> Tom, KE1JF
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>