[Trlog] FT990 Interface Issues
tree at kkn.net
Tue Apr 8 00:38:30 EDT 2003
On Tue, Apr 08, 2003 at 12:06:33AM -0400, James A. Walter wrote:
> W0UY loaned me an FT990 for a while. It has firmware version 1.30 which TR
> requires. I see some Yaesu rigs support the shift keys running the RIT in
> CQ mode while some don't. According to the FT990 manual RIT on/off as well
> as up/down should be supported. It doesn't work in my case. Going to the
> S&P mode the shift keys do tune the radio. If I've been in the S&P mode
> and jump back to the CQ mode now the shift keys run the main tuning up and
> down (where as previously it didn't, no main tuning or RIT). The ">"
> imbeded in the qsl message does reset the rit (having adjusted it from the
> knob on the rig). What do I need to do or doesn't the 990 support RIT
> One other pecularity I've noticed is when changing bands via computer
> (keypad or alt-v/b) the radio qsy's but shuts the RIT off in the process.
> If I use the band change buttons on the radio (assuming I'd set the RIT to
> on on each band previously) the RIT stays on. Is this normal? What can be
> done to keep the RIT on?
The manual lies.
Well, sort of. It won't do RIT increments - it will do absolute values.
The Kenwood has a command that says "bump the RIT up (or down) by one
count". The Yaesu requires you to read the RIT, increment/decrement
the value, and then send a new value out. This takes WAY too long to
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