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Not sure that this mod is correct for your radio, as European and North American versions of this same radio may require different jumper points. I know that is true for Icom radios; but have no idea if it is true for Yaesu radios. So take this with a grain of salt, but the video points to jumper 5 at/about 1:00 minute in. If your jumpers look the same as his; then it might well be the same mod. I would find out beyond any shadow of a doubt - first.
Yes I believe adding a solder pad on 5 is the MARS Mod. Dont forget about the 4k wide ESSB mod. I'll be picking mine up Friday and cant wait. Probably the best radio for the buck on the market today ! $1159.95 with the rebate !
Please advise me to what is a good replacement mic for my SR-497HPC... Answer: 497 is "wired like Cobra", so many choices available. That radio does not need a power mic, so purchase a stock "coffin style" mic with a decent cord, like the ones that Astatic uses. The Superstar DM-507 is my go-to. https://www.ebay.com/itm/3050474478...adANq91JSiEEnz8EGqPJRBloTgEyaVsBoCtoMQAvD_BwE $12.99 + .99 cent shipping.
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