The Yamaha AN1x Synthesizer mailing list

--- In AN1x-list@yahoogroups.com, "Mike B (digiboy)" <digiboy@n...> wrote:
> 
> Thanks, I haven't noticed any problem with the tempo delay and there's  no
> sign of a low battery.
> 
> How hard is it to upgrade the OS?
> 

It's simply a matter of removing the case from the chasis and swapping out an EPROM 
chip. Go to the Files section here at Yahoo! Groups and navigate to the Tips & Tricks 
section - you'll find a write up of the procedure.

http://groups.yahoo.com/group/AN1x-list/files

And somebody was good enough to upload some JPEGs of their AN1x with the case 
removed from the chasis - check the Photos section

http://photos.groups.yahoo.com/group/AN1x-list/lst

> And, BTW,  is that battery user replaceable?
> 

Uh, good question - this has been discussed on the list but I'm drawing a blank --
if it's soldered in place I'd have a tech replace it simply because I have no skills at 
soldering. Maybe somebody on the list will chime in and refresh my memory ;-)

Jon