Emergency Tuner Mode for Icom IC-7300 (
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- čas přidán 11. 09. 2024
- John wants to share the emergency tuner for the Icom 7300. I think it is a good thing to know how to do on the Icom 7300. Watch to learn how to do it.
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Nice feature of the radio. Thanks, Dave. 73, AC3HT
Thanks again Dave👍
HELLO DAPPER DAN, CHECKING IN. bk2,pg.57,pa2
That's good to know stuff right there! Thanks Dave!
Thank you, Dave. N0QFT
Wow. That is quite useful. Nice to know. Thanks. W1ETI
Can extended use of Emergency mode damage the 7300?
But what is the radio actually doing (abusing itself? expanding a range?) besides running at half power?
It will transmit with a worse antenna match than it would usually allow. Limits power so it can handle the greater mismatch
Hello. I want to transmit on 80 meters with a garbage antenna since my yard is small. Can I use this emergency mode and get some power out without frying the radio? How bad can it get if the I don't care if the output is like 2 watts or whatever, or if I have to set the radio power with emergency mode to like 20 watts or something, but I really do not want to fry my radio finals and I want to expirement with antenna designs without worrying about my radio breaking. Thanks!
Encore une super vidéo. 73/F8MGW
Icom-R7000 your thoughts on getting this for my first HF radio?
The R7000 is only a receiver, not a transmitter
UPDATE: We tried another antenna. Works great barefoot! Bad Dummy Load. Brand new too. BUT HAPPY EVERYTHING ELSE WORKS!
Hi, my brother and I have the 7300 and a good common ground. All new equipment, cables and everything. MFJ dummy load, 800 watt Amplifier, and a good power supply. When only transmitting into the dummy load it gives a very very high SWR. So, then we ran barefoot with just the 7300. Same thing into the dummy load. After that, we tried a mobile mount antenna with coil supposed to work with 40 meters to 10 meters and still very very high SWR. So, I tried his antenna with my little 5 watt Yaesu and still it flashed Hi SWR. We are testing the antenna inside our living room during the cold, but plan to test the antenna on the car as intended when we are able. It was sitting on a large metal tub/wash bucket which we thought should work okay. NEXT, I guess we will have to try this video option with EMERGENCY TUNE. Any suggestions would be much appreciated. If you find my Channel and see my brother listed as CARS, it shows on his recent short video titled Back to the Future Amplifier Scene Amateur Radio Style. Thanks AE7JE
NOTE Even if the antenna is hi SWR why would the dummy load show the same very high SWR without using an antenna? Thanks
Here is a question....how do you change ssb modes at Will.....it keeps defaulting on the band you'll in....I need to be able to change it at Will...USB to LSB..in a flash
It's just touchscreen. Touch USB or LSB or CW, whatever is displayed, and it should toggle or bring up the menu, and touch the one you want to TX on and there you go. Hopefully this helps.
@@hedrickwetshaves1997 ...I don't see an option for LSB or USB....only SSB and other modes such AM FM CW DATA.RTTY
I know it's touch screen....I just don't see separate LSB or USB....only SSB.
@@mrjones6770 Hmmm. Maybe it's strictly according to the band plan. USB for above x Freq, LSB below x Freq. etc. It's my brother's radio. I'll let others comment. 73
@@mrjones6770 Click SSB, and then it will say USB Or LSB. If you go back to the menu and click SSB again I think it should flip between USB LSB and USB-D LSB-D.I think. By the way, USB-D and LAB-D are the same but less audio processing so it dosen't break digi signals with random audio processing effects.
Thanks Dave ! W5GLS
So what is the intent of Emergency Mode? Does it allow you to work, say, in an earthquake zone on half an antenna? How far can you get out on half power into a compromised antenna, and does it make the radio overheat the finals after some extended use?
Wider tuning, allows for a worse match, limits power to not burn stuff out
You're stuck with only a nonresonant antenna in an emergency because the earthquake destroyed your tower and all you can put up is a broken Yagi. You want to get a signal out, but your radio won't transmit because of a high SWR. What do? Emergency mode. Now, you're transmitting SOME power. Maybe 1 watt or 5 watts getting out from 50w in. Enough to give you a reasonable chance of getting a message out.