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Hi Arron. So the TUNE button is used when the ATU/100 is in the NonAUTO mode to set it to tune your Setup for your radio. Press this till the TUNE shows on the display, then key the mic and send a

Hey guys, I have a ATU-100 EXT tuner. For it to work automatically it needs to be in SWR=TUNE? Or do I need to press the TUNE button whenever i change frequency? I have 3 buttong on the front of the

Hi, Bill The ATU 10 does not have dedicated circuit to do a bypass, but when it is reseted, all inductances are shorted and all the capacitances are disconnected? . It is equal to short in and out.

Hi Bill, I agree with the comment from Immo. You have “Setup 1”, so the MFJ will see the unmatched SWR. If you want to compare the matched readings, you need to try “Setup 2”. When the

hi Bill, the tuner tunes in line before your MFJ. So the MFJ is part of the antenne system to tune. Your TX sees a matched line your MFJ sees an unmatched antenna.., 73, Immo

Hello, David; Everyone's responses are greatly appreciated. However, Unfortunately, I am finding them conflicting and hence confusing. Let me make sure I have this correct. Talking about the ATU10

Thanks David, Was hoping for maybe it reading the LC differently.

Immo, very cool thank you for the information. Jim 73

Hi. Atu 100 is using 2 lines

hi Jim if you think of OLED-display like used at the most chinese parts: take? this: OLED-128O064D-BPP3N00000 from i.E. Vishay (data sheet appended) Uses a SSD1306BZ -controller. and looks like this

Hi, Bill You can put the ATU10 into reset and switch it off. Only if you have to pass tru 100w it is necessary to disconnect it physically. Better use cheap antenna switches. Each swr/per will show

Hi all, looking for the part number for the atu-100 with? 4 line display (original). Thanks, Jim W?JRN? 73

Hello, David; I have a uSDX going to an MFJ-872 swr/pwr meter to the ATU-10 to the antenna. I use the MFJ because I like to confirm the accuracy of the AUT10 swr and power readings. I find some

Hi, Bill Just click reset on the tuner and in/out are shorted. I did not see any reason to short it again. Can you explain why ?

can nobody answer this last one?.

Bill WA2WIO 11:22am #2651 Is there any reason I could not install a small DPDT manual switch (push button perhaps) to simply move the in/out jack connections from normal to shorted? I this is

Is there any reason I could not install a small DPDT manual switch (push button perhaps) to simply move the in/out jack connections from normal to shorted? I this is an acceptable, old school,

This one: https://www.amazon.com/dp/B09PTC6DJ8?psc=1 <https://www.amazon.com/dp/B09PTC6DJ8?psc=1&ref=ppx_yo2ov_dt_b_product_details> &ref=ppx_yo2ov_dt_b_product_details From Malahit on Amazon is a

I wonder ATU 10 is different from ATU 100. 10 use latch relay which will remain in its previos stage when turned off. 100 will switch off all relays when turned off. Both 10 and 100 dont have bypass

I want to use an ATU-10 for my new QRP-Labs QMX radio, but I don't know the most reliable source to order one from: AliBaba, Amazon, or E-Bay? Also, what is the latest firmware currently