VX-6000V Band C

[Louwo]

I picked up a Vx-6000V and I got the software and cable. I see it is set in VHF band C. Is it possible to change it to VHF band A to use on 2M?

 

[radiotweester]

It should be able to. It MIGHT need the VCO adjusted, but check for lock (display not blinking) and then for actual good voltage. I don't believe sensitivity will be too badly impacted. You'll need to hex edit the default C file and the exe. If you search here for the VX4000L 6M post from a while back it's the same sort of software hexedit to get the software to take HAM. I don't remember if the hex is normal 144000000 = 08954400 or needs to be reversed 00449508.

 

[Louwo]

I wonder if I need to do a adjust as well as what is the right value to input.

 

[radiotweester]

If you have access to the equipment, it certainly would be a good idea. You'll need the SVC-49 software to mess with the softpots. Be careful as there is also a version for the VX-4000 and then the 5000/6000 as in the screen shot.

 

[express315]

Yes it can be done. I have done it after some trial and failure. Several vx-4000, 5500 and 6000 being used on Ham band now.
First, this is how to modify hex file - Extending the Band Limits of the Vertex CE49 Software
Second, no vco adjustment needed, also no need for alignment. Forget about SVC49, it only works in designated bands.
Most important part - the mod only works with CE49 ver 4.06 period.
Get it here - Vertex Radio Group – Vertex Radio Software Download
Other sw versions cause radio to behave erratically when tuned out of band.
Enjoy!

 

[express315]

P.S. The above mod is only relevant to V an U models.
L (low band) models can be modded with any sw version and will require a VCO adjustment.
Recommended VCO voltage at the upper band end (54mhz) is 7.4 volt for both TX and RX.

 

[express315]

A picture of VX-6000V and VX-6000L modded to 2m and 6m respectively.