Tom,

Based on what I see on the Kenwood page, I think you are correct: v 1.03 
and no need for you to update.

73, Steve KW3A

On 2/5/2011 10:03 PM, tom behler wrote:
>      Hi, all:
>
> Well, I tried checking again for the TS480 firmware version info, but still
> had no luck, so I swallowed my pride, and got the XYL in on the effort.
>
> With my XYL's assistance, we did the firmware version check on the TS480,
> and, to me, it doesn't seem like I need to do the upgrade for this
> particular unit.
>
> Here's what she read to me from the screen:
>
> P4435
>
> M5495.
>
> I don't know what the P4435 designation refers to, but the M5495 would seem
> to indicate that I have version 1.03.
>
> Does this make sense?
>
> As I think many of you know, I have another TS480 in our motor home, that I
> use for our summer travels, and that is an older one.  Perhaps the firmware
> upgrade will be necessary on that rig, but it is so cold right now, and the
> motor home is all closed up, so I think I'll wait to check on that one till
> warmer WX sets in.
>
>
> One interesting note is that the VGS1 chip did not read this firmware
> version info to me, so, at least in my case, sighted assistance was
> required.
>
> 73 from Tom behler:  KB8TYJ
>