+++++++++++++++++++ From: "Douglas Westover" To: "Jay Henson" , "Elecraft List" Subject: Re: [Elecraft] XIT Date: Sat, 12 Jan 2002 13:05:42 -0800 Hi Jay, XIT provides a convenient way to work small frequency splits. Let's say that you are listening to P5DX who is working up a small amount. Use the RIT function to find the station he's working, turn off the RIT and then turn on XIT and you should be zero beat with his listening frequency. You can of course use A/B split VFOs but many times the RIT/XIT approach is easier and faster. 73, Doug W6JD -----Original Message----- From: Jay Henson To: Elecraft List Date: Saturday, January 12, 2002 12:31 PM Subject: [Elecraft] XIT >Gang, > >A non-technical operational question. > >I am in the middle of writing a VB program to talk to my K2. What I'm >really trying to do is learn VB (nuther story). Anyhow, I was just getting >ready to do the coding for the XIT button and I find that I really do not >understand why I would need XIT. RIT is a whole different animal. There is >not a QSO that I have where RIT is not on and usually used. In almost 2 >years of using my K2, I have yet to use the XIT capability. I pulled my >manual down and read the description of XIT but I fail to see the need for >it. > >I tested XIT this AM and can see that it shifts the transmitted signal >(although you can't see that unless the key is pressed). My question is why >use XIT when SPLIT makes more sense. > >Sorry for the bandwidth. > >Jay >AJ4AY >Mobile, AL >FP -115, SOC 220, ARCI 8131, FISTS 7917 ++++++++++++++++++ Date: Sat, 12 Jan 2002 16:57:14 -0500 To: Elecraft at mailman.qth.net From: kb1dxc Subject: Re: [Elecraft] XIT Jay, Thank you for your post. I had wondered about the XIT button. All I could figure out is that it displayed the TX frequency. I guess after your explanation that it actually allows you to change the TX frequency without changing the receive frequency. I guess it could be used, but I cannot think of a situation arising ever where I will need that feature. OH WELL, I just got more features than I know what to do with on my K2, how can I complain about that? Mike KB1DXC ++++++++++++++++++++ From: N2EY at aol.com Date: Sat, 12 Jan 2002 18:09:48 EST Subject: Re: [Elecraft] XIT To: aj4ay at worldnet.att.net, elecraft at mailman.qth.net In a message dated 1/12/02 3:31:47 PM Eastern Standard Time, aj4ay at worldnet.att.net writes: > Anyhow, I was just getting > ready to do the coding for the XIT button and I find that I really do not > understand why I would need XIT. -- snip -- > Some uses for XIT: - You call CQ in a contest and Station 1 answers you somewhat off freq. You use RIT to tune him in, of course. As the QSO ends, a weak rare one (Station 2) shows up right on his frequency calling CQ (your RX freq, with RIT on). Station 2 obviously didn't hear Station 1. You kick in XIT to put your TX frequency right on him without having to retune and maybe lose him. - There's a pileup right on a DX station's frequency. You listen to who he answers and then tune for that station with RIT. Once you find the station answered, you put XIT on and RIT off. Now you're transmitting where the DX is listening and listening where the DX is transmitting. Yes these can be done with SPLIT, but there are times when doing it with RIT and XIT is faster and easier. 73 de Jim, N2EY ++++++++++++++++++ Date: Sat, 12 Jan 2002 19:36:04 -0600 From: "George, W5YR" To: kb1dxc CC: Elecraft at mailman.qth.net Subject: Re: [Elecraft] XIT Most XIT features on transceivers merely offset the transmitted frequency from the dial frequency by the "XIT" amount. So, if you want to call a station, already tuned in on the dial at 7041.00, *up* 600 Hz, you would set the XIT for a 600 Hz offset. Then your transmitted signal would be at the frequency of 7041.60. RIT does the same thing but sorta in reverse. The transmitter puts out on the dial frequency, but the receiver is tuned to that frequency +/- the RIT setting. With RIT, XIT and two VFO's (Split) there are three ways to set the difference if any between received and transmitted frequencies and the dial frequency reading. Which one to use? Your preference as to how you like to operate. And, of course, many rigs have only RIT or RIT/XIT so that Split is not available. In a DX pileup where the DX station may be moving around a lot, XIT gives you a simple way to always transmit a fixed amount above or below his frequency. In a Fox Hunt, where the Fox usually stays put, then XIT is a convenient way to pick a transmit frequency. But the drawback is that you can't listen to the frequency you have selected unless you change the dial, or turn off the XIT and use the same offset with the RIT. When you find the spot you want, turn off the RIT and turn on the XIT. If the radio hasn't zeroed out the offset frequency in making the change, you will be back listening to the dial frequency (Fox) and transmitting on your selected offset frequency. With dual Vfo's it is a little easier. Set VFO A to receive on the Fox frequency. Switch to VFO B and tune around to find the spot you want to transmit; do this in receive mode, of course. When you find the spot, switch back to receive on A and transmit on B. At any time that you want to move or listen for a clear spot in the Houond pack (??) just switch to B receive and listen, etc. This is a long-winded answer to your "non-technical operational question," Jay, but maybe it will help someone else with the same questions. 72/73/oo, George W5YR - the Yellow Rose of Texas Fairview, TX 30 mi NE of Dallas in Collin county EM13qe Amateur Radio W5YR, in the 56th year and it just keeps getting better! QRP-L 1373 NETXQRP 6 SOC 262 COG 8 FPQRP 404 TEN-X 11771 Icom IC-756PRO #02121 Kachina #91900556 IC-765 #02437 ++++++++++++++++++++++ From: "Jay Henson" To: "Elecraft List" Date: Mon, 14 Jan 2002 19:37:17 -0600 Subject: [Elecraft] XIT Thanks Gang, Thanks for the several replies concerning my question on the WHAT's and WHY's for XIT. All of you helped a lot. 73! Jay AJ4AY Mobile, AL FP -115, SOC 220, ARCI 8131, FISTS 7917 +++++++++++++++++++++++