Hi, again, steve. Yes, am very interested in digi modes, because
would like to have it as an ace in the hole for emergency
use/communications. Am interested in doing more public service
stuff, and also want to experiment with different modes to see how
accessible they might be.--Matt, N1IBB.
At 09:55 AM 7/15/2015, Steve Forst wrote:
>Matt,
>
>I think there are some web sites with audio clips of each mode, but
>sorry I don't have a link. A google search might kick up something.
>
>In MMTTY you can play RTTY audio files. I don't think they come in the
>basic download. If I remember, they are on the download site and you
>get them seperatly and install them as directed in the instructions.
>You can play them with no need to be connected to the radio. You can
>hear what RTTY sounds like, and see if your screen reader can speak what
>is coming into the receive window.
>
>
>You will hear psk between 14.070 and 14.073 or 21.070 and 21.073.
>
>RTTY around 14.085, 21.085 Higher and lower as the band fills.
>The RTTY North American QSO Party is on Saturday starting at 1800 utc
>and there should be a lot of activity (depending on band conditions).
>
>Digipan only does various flavors of psk (31, 16, qpsk, etc) and receive
>pactor.
>
>MMTTY is RTTY only. If you try and decode the wrong type signal, you
>will just get garbage. There is a boatload of digital software out
>there, don't know if anything will auto detect the mode, but that would
>be pretty cool.
>
>Sounds like you are serious about this. Good luck. Read the docs for
>the software. A lot of it will seem confusing, but just take your
>time. Like the old line about how to eat an elephant: "One bite at
>a time".
>
>73, Steve KW3A
>
>
>On 7/15/2015 9:25 AM, Matthew Chao wrote:
> > Hi, Steve. Thanks for your info. Thus far, I'e downloaded the mmtty
> > software and the digipan software. Have yet to install either of
> > those. Also, need to find a patch cord for trying these things
> > out. Is there a place where I can hear the different modes so I can
> > figure out which one to go for? Also, will the Digipan software be
> > able to figure out what mode is being received? Thanks much.--Matt.
> >
> > At 08:28 AM 7/15/2015 -0400, you wrote:
> >> Matt,
> >>
> >> If you have removed the little plastic cover from over the jacks, the
> >> one on the left is a 1/8 jack for external speaker, the one in the
> >> middle is a mini din for data (this is where the interface connects),
> >> and the one on the right is a mini din for connecting an amp.
> >>
> >> Without looking it up, I think the data jack is a 8 pin mini and the
> >> amp jack is a 6 pin mini. The amp jack also has the pin for FSK rtty,
> >> but that's not an issue if you are using the sound card to generate
> >> AFSK RTTY.
> >>
> >> If you go the Signal Link route, be sure to request the cable for the
> >> 480. It will have a square RJ type plug at one end for the Signal
> >> Link, and a small round mini din to plug into the radio.
> >>
> >> If you just want to test with an audio connection, you can use either
> >> the headphone jack or the external speaker jack to feed audio to the
> >> sound card in the pc. To keep from over driving the sound card you
> >> would set the radio volume way down and tweak with the pc's mixer
> >> controls. If you get the interface, the audio is routed via the usb
> >> cable to the interface and through the din connection to the radio.
> >> No need for an extra audio connection in this case. Once you've
> >> followed the installation procedure for the interface on the pc, all
> >> your audio in and out levels are controled via the front panel knobs on
> >> the interface.
> >>
> >> BTW, there are other interfaces oute there with a built in sound card,
> >> but the SL USB is well reviewed, reasonably inexpensive, and used by a
> >> few on this list. Of course with a radio like the 590, with it's built
> >> in sound card, an interface isn't needed, so mine is currently not in
> >> use.
> >>
> >> 73, Steve KW3A
> >>
> >>
> >>
> >>
> >>
> >>
> >>
> >> On 7/15/2015 5:58 AM, Matthew Chao wrote:
> >>> Hi, Steve. Thanks for the info. How do I figure out which DIN port
> >>> to use on the 480? And would running a patch cord from the headphone
> >>> jack into the PC's input work? Thanks in advance.--Matt, n1ibb.
> >>>
> >>> At 10:04 PM 7/14/2015 -0400, you wrote:
> >>>> Matt,
> >>>>
> >>>> The Signal link USB is nice. I have one and others on the list do as
> >>>> well. cheapham.com has it for $89 plus shipping. This price
> >>>> includes 1 radio specific cable to go from the unit to the radio. In
> >>>> your case, it will plug into one of the mini din jacks on the front of
> >>>> your 480. These are behind a little plastic cover that needs to be
> >>>> removed just to the left of the serial db 9 connector.
> >>>>
> >>>> If you go the SL USB route (no matter where you get it) you should
> >>>> spend the extra $5 bucks or so and get the plugin module for the 480.
> >>>> The SL USB can be configured for a lot of radios, and comes with a
> >>>> bunch of little wire jumpers that need to be plugged into a header
> >>>> inside the unit. The optional, radio specific modules plug into the
> >>>> header as a single piece, instead of 8 little jumpers. When I got
> >>>> mine years ago, the modules weren't around, and I had to do the jumper
> >>>> thing. Not the end of the world, but spend the extra money and get the
> >>>> plug and play thing.
> >>>>
> >>>> The unit does have knobs on the front for audio in and out levels, as
> >>>> well as vox delay.
> >>>>
> >>>> Sorry you couldn't make any sense out of the articles on
> >>>> hamradioandvision.com I thought that seeing what other people are
> >>>> doing might give you pointers.
> >>>>
> >>>> Before spending money on an interface, maybe just try some rx and see
> >>>> how it works. To receive, all you need is a audio cable between audio
> >>>> out of the radio, and line in on the pc's sound card. I know you want
> >>>> to work all modes, but maybe just pick one for starters. Download
> >>>> software for it and see if you can get the rx side to work. The
> >>>> biggest problems for digital operation by the blind are getting the
> >>>> signal tuned in, and getting your screen reader to speak out something
> >>>> that makes sense. If you can't make the rx work to your
> >>>> satisfaction you might be wasting your money on an interface.
> >>>>
> >>>>
> >>>> I think the MixW software John uses isn't free, but has a free trial
> >>>> period. It never worked for me. MMTTY for RTTY and Digipan for psk are
> >>>> both free. In digipan, set the menu option to "use arrows for seek"
> >>>> and the arrow keys on the keyboard will jump between signals
> on the band.
> >>>>
> >>>> 73, good luck, Steve KW3A
> >>>> On 7/14/2015 7:15 PM, Matthew Chao wrote:
> >>>>> Hi, Folks. Now that I've gotten my question answered regarding
> >>>>> splitting the sound card duties (Window-Eyes on one card, and digital
> >>>>> mode on a USB card) I have a few questions.
> >>>>>
> >>>>> 1. Someone recommended a Tigertronics USB system to me to interface
> >>>>> with the radio. Does anyone know anything about this system?
> >>>>>
> >>>>> 2. What software is likely to work best with Window-Eyes? I'm
> >>>>> interested in doing PSK31, RTTY, and JT65.
> >>>>>
> >>>>> 3. I was up on the Web site recommended to me by one of you folks,
> >>>>> and only got totally confused on how to get digital modes going. I
> >>>>> think the site was hamandvision.com.
> >>>>>
> >>>>> 4. Of all the digital modes, which one is the least difficult to
> >>>>> start with and grow?
> >>>>>
> >>>>> Sorry for all the questions, but this mode sounds interesting, and a
> >>>>> new challenge. Thanks in advance for your help.--Matt, N1IBB.
> >>>>>
> >>>>>
> >>>>>
> >>>>>
> >>>>>
> >>>
> >>>
> >>>
> >
> >
> >
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