Yaesu FT-857D FT-897D 857 897 Frequency modification expansion

[kopcicle]

automatic repeater offset

menu
002 for 144 off/on
003 for 70cm off/on

humm I'll look at the"dump" see if there's a firmware switch.

 

[Sparks-DoD]

Before and after pictures for the USA 857 897 D frequency conversion.

MODIFY AT YOUR OWN RISK!

Solder jumper 7 8 9 and 6, then reset the radio by holding the F and VM keys down while turning the radio back on

Happy Hamer - Thanks so much for posting excellent pictures and instructions on making this mod on FT-897Ds. I'm building an emergency communications network and several members are using the radios you discussed. Being able to communicate with people who use Baofeng, Quansheng and a host of other similar radios, plus operators using MARS, 27 MHz., FRS, MURS and GMRS frequencies (and possibly monitor 156.8 MHz. where appropriate) would be incredibly helpful for us and make us useful to users trying to contact us using these radios/frequencies. My understanding is that this mod will permit TRANSMITTING on the 27 MHz. band, however receiving was not mentioned specifically. My guess is that this mod will allow receiving on the 27 MHz. band as well, but I don't want to assume and then disseminate inaccurate information to other members. Also, has anyone had experience with auto tuner performance on the expanded HF frequencies? Any help would be greatly appreciated. Thanks again to you for your very useful and practical work and to others for their helpful comments.

 

[Moleculo]

It already receives on 27 MHz without the mod. Not sure which autotuner you're using, but most should work fine.

 

[Happy_Hamer]

Glad this thread still has life to it! 42CMODE!

 

[Captain Kilowatt]

Glad this thread still has life to it! 42CMODE!

BILL!!!!

 

[kopcicle]

has anyone had experience with auto tuner performance on the expanded HF frequencies?

SGC SG-230 , it just works.

 

[Tallman]

Can the Mars mod and the CB be done on the FT857 and the radio function properly?

 

[Mudfoot]

Yes, mine has CB goodness.

 

[Mudfoot]

I wish you could just expand HF only and leave VHF (ARS) alone.

 

[Tallman]

I wish you could just expand HF only and leave VHF (ARS) alone.

I don't understand the reference to ARS.

 

[Mudfoot]

Automatic repeater offset.

 

[AudioShockwav]

When you do the mod you loose the auto repeater offset function.
You can still enter the offsets manually.
73
Jeff

 

[Tallman]

Okay thanks for the clarification. I haven't used a repeater in years and probably won't.

 

[Mudfoot]

When you do the mod you loose the auto repeater offset function.
You can still enter the offsets manually.
73
Jeff

Loss of offset has been part of mods for eons. You'd think by now, that they'd account for that and write code to compensate. I wonder, if in fact, the 8xx flavors and others, could just expand HF only, or vice versa.

 

[AudioShockwav]

Loss of offset has been part of mods for eons. You'd think by now, that they'd account for that and write code to compensate. I wonder, if in fact, the 8xx flavors and others, could just expand HF only, or vice versa.

Not that I know of.
It would be nice if they would fix that but I am sure they could care less.
73
Jeff