Yamaha DTXpress/DTXplorer/DTXtreme

Rolf,

The first one went through. It's really valuable info, which might 
even do well posted in a more conspicuous location, along with the 
part number.

Thanks,
Ed

--- In DTXpress@yahoogroups.com, "rolf_baehr <rbaehr@h...>" 
<rbaehr@h...> wrote:
> Don't know why my first posting didn't display correctly - here is 
> another attempt:
> 
====================================================================
> 
> I have one of the first DTXpress sets to be made, and I still had 
not 
> seen the low battery indicator. But being the worry-wart that I 
am, I 
> went ahead and changed it BEFORE  seeing any warnings about it.  I 
> actually did a "hot-switch" of the battery and replaced it with a 
new 
> one, and didn't lose any of my user defined kits. I have a feeling 
if 
> you swapped batteries and NOT had the unit powered up, you would 
lose 
> what you had saved.  It's a pretty easy swap, and from the voltage 
> levels that seemed to be present inside the unit when powered up, 
it 
> seems to be a safe thing to do. You have to take off the top cover 
( 
> 2 screws on each side, and one in the back) and slide the cover 
off. 
> The battery is located on the main board at the bottom of the 
unit, 
> but you have to take out the 4 screws that hold a half size board 
to 
> be able to access the battery.  You have to unplug all the cables 
> since they plug into connectors on that half size board, and you 
> can't move the board out of the
>   way w/o unplugging the cables.  Once you can see the battery, I 
> took a screwdriver that had a magnet on it, and placed it on the 
> battery itself, then used a small screwdriver to release the 
battery 
> from the snap-in holder that it's in. Then I just snapped the new 
one 
> in and off it went.
> 
> If anybody needs the part number for the battery, I can look that 
up 
> tonight and post it. Good idea to have the battery in advance so 
you 
> don't have to take the thing apart twice, unless you want to leave 
it 
> open and run to the store.  It's a button type battery, available 
> from Radio Shack  The one in there is a Japanese battery, but 
easily 
> cross-referenced to a R. Shack part.  I think it was only 3 bucks 
or 
> so... pretty cheap insurance to not lose what you've worked so 
hard 
> to save.
> 
> Hope the info helps!