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Dear FT-857 lovers, I've been looking for the INFO of 857 jumpers which is often referred as MARS mod. My FT-857 seems modified as MARS and I'd like to mod it back to comply with JA regulation. Any

ZL1CVD OM, TNX for your comment. I found that the last page of 2018 doc says 2017 and so I misunderstood. Now I have found the Technical Supplement of 2003, 2005, 2007, and 2018. Thank you, all

I realize this is an 857 forum, but since the 897 and 857 and very similar, I thought I'd try asking here. ( Is there an 897 forum? ) The other night while on 2m, upon UN-keying, the radio went

If you can, always refer to the 2018 version. It has all revisions of PCBs used in this model and from memory there was some revised alignment ? Been a long long time since I serviced these for DSE so

John-san, Thanks for your comments. Yes, the "075 RF POWER SET" of the Standard Menu is to control the percentage of the "*-MAX" of the Service Menu. Could you guess what the "*-MID2/MID1/MIN" will

snip Hullo Hiro, These Service Menu settings are published under the headling "RF Power Adjustment." My best guess as to how they work is: 024 - 039 are to calibrate, or set in some fashion,

Thanks to both Alex-san and Kent-san. The exact "Yaesu FT-857D Technical Supplement - Page Alignment-10" is on the 2017 (not 2018?) version. But the content seems the same as Page #20 of the 2003

Both worked for me although Brian's is a newer revision (2018 versus 2003). 73, Kent K9ZTV

For some reason Brian’s link didn’t work for me but I found it in the Internet Archive page.

Your Welcome Let me know if it helps. Brian? ? N7BMH

Brian-san, Thank for your info. I’m on a train commuting to my office and the access to the net seems jammed and the download is very slow. I’ll get it when I’m home later. Thank

Here You Go Tech. supp. https://www.repeater-builder.com/yvs/pdfs/yaesu-ft-857-857d-technical-supplement-2018.pdf Brian? ?N7BMH On Tuesday, January 23, 2024 at 03:24:54 PM MST, HIRO, JJ1FXF

Thanks for introducing a document I haven’t heard about. I still cannot find the “FT-857D Technical Supplement” manual but will try finding it and read the page carefully. TU! // HIRO,

Get yourself a copy of the Yaesu FT-857D Technical Supplement - Page Alignment-10 covers this.

I am reducing FT-857D MAX RF Power to 50W by the Service Menu for JA’s mobile station application. It would be very much appreciated if someone could answer my following questions. 1. For what do

If you are using the Yaesu original power cable, check the connector, remove the connection and reconnect it firmly. At times the connector also gave me problems. VU2TE

My 857D turns on but then the relay clicks andit cycles on & off until I disconnect the power.Only way to keep it on is to clone then reprogram with rt systemsthen it will run with no

Everything is unplugged from the radio except the head (used both the long and original cables) with no positive result. The relay clicks and nothing until I hit the power button or plug in power

The FT-857D has an undocumented CAT control set up through the microphone jack. If you check the manual for the Microphone jack setting in memory 59 you will find that the choices are NOR/RMT/CAT.

I agree. I used to take my HPS1A with my 857 as carry-on luggage on overseas trips. I don't know if they're still available. 73 Darrel aa7fv. wrote: