[ICOM] Computer Control Interface

AD5VJ Bob rtnmi at sbcglobal.net
Sun Dec 25 20:48:54 EST 2005


OK I tried it and it didn't work.

What is the USB-D mode? Can it only be used through the
ACC 1 port?

Not happy the decision to give up on FSK and work only
soundcard, I have now tried my BUXCOMM RASCAL which works
great with the FSK, it is just fine.

However I cant seem to get it to work correctly with the
soundcard modes such as PSK.

What is the USB-D mode? The manual says virtually nothing
about it except that it exists, how to get to it and that
when in USB-D mode it mutes the microphone.

So can I assume since it mutes the mic that I need to use
the ACC 1 instead of the mic input that I use with the
MFJ-1279?



  73 fer nw,
Bob AD5VJ

10X# 37210, FP#-1141, SMIRK#-5177
http://www.n5iet.com/
Code may be taking a back seat for now,
but the pioneering spirit that put the code
there in the first place is out front of it all.




> -----Original Message-----
> From: icom-bounces at mailman.qth.net 
> [mailto:icom-bounces at mailman.qth.net] On Behalf Of Dave
> Sent: Sunday, December 25, 2005 1:25 AM
> To: 'ICOM Reflector'
> Subject: RE: [ICOM] Computer Control Interface
> 
> 
> To run FSK with MMTTY, you need to provide MMTTY with a
way 
> to control your radio's RTTY input (pin 1 on ACC-1).
MMTTY 
> can be configured to use a serial port data transmit
data 
> signal (TxD) for this purpose. 
> 
> Warning: I've not tried what I'm about to suggest; I 
> downloaded the MFJ manual, but don't have a 1279 with
which to test.
> 
> As described in section 4-4 of your MFJ-1279 manual, you
can 
> configure the unit's CW output to be controlled by the
serial 
> port TxD signal; if you then connect the CW output to
ACC-1 
> pin 1, MMTTY should be able to transmit FSK. Section 5.2
of 
> the MFJ-1279 manual explicitly mentions the idea of 
> controlling FSK keying via the CW output.
> 
>    73,
> 
>        Dave, AA6YQ
> 
> 
> -----Original Message-----
> From: icom-bounces at mailman.qth.net 
> [mailto:icom-bounces at mailman.qth.net] On Behalf Of AD5VJ
Bob
> Sent: Sunday, December 25, 2005 1:27 AM
> To: Icom Reflector
> Subject: [ICOM] Computer Control Interface
> 
> 
> I just wrote this to MFJ tech support hoping to get an
> answer however, just in case, do any of you guys know if
> this is possible?
> 
> 
> I have your MFJ-1279  which I bought a couple of months
> ago. It works perfectly for all sound card modes and for
> cw and for AFSK RTTY.
> 
> I am using software for a modulator/demodulator.
> 
> After setting up MMTTY for FSK it will key the rig but
no
> FSK comes through to the rig.
> 
> I have an Icom 756PRO, how do I use my MFJ-1279 FSK
keying 
> feature so that I can key with FSK instead of AFSK?
> 
> I have a spare plug for the ACC 1 jack that is in the
back
> of the Icom.
> 
> Where can I connect the Icom ACC 1 cable to the MFJ-1279
> so I can get the software to send the FSK signal through
> to the ACC 1 jack on the ICOM?
> 
> I know how the Icom works with the ACC 1 plug in the
back
> but I dont see any provisions for interfacing my com
port
> to it from the MFJ-1279.
> 
> 73 fer nw,
> Bob AD5VJ
> 
> 10X# 37210, FP#-1141, SMIRK#-5177
> http://www.n5iet.com/
> Code may be taking a back seat for now,
> but the pioneering spirit that put the code
> there in the first place is out front of it all.
> 
> 
> 
> ----
> Your Moderator: Dick Flanagan K7VC, 
> icom-owner at mailman.qth.net Icom Users
> Net: Sundays, 1700Z, 14.316 MHz Icom FAQ:
http://www.qsl.net/icom/
> 
> 
> ----
> Your Moderator: Dick Flanagan K7VC, 
> icom-owner at mailman.qth.net Icom Users Net: Sundays,
1700Z, 
> 14.316 MHz Icom FAQ: http://www.qsl.net/icom/
> 




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