Re: Another unstable DMP XR-20

["RockyTSquirrel" <gafa_usa@xxxxxxxxxxx>]

"Bob La Londe"  wrote in message news:8iGGs.32029$411.28138@xxxxxxxxxxxxxxx

"Jim" <alarminex@xxxxxxx> wrote in message


>Yeah, I know that.  Oddly they seemed eager for my help this morning.  No
>argument about cost or anything, and paid on the spot.  Only time will tell
>if a full power cycle, and draining the filter caps to make sure no memory
>was held will actually fix their time set problem or not.


Bob,  I seem to remember hearing that some DMP panels do not link to the AC
for a time base reference, but instead use an onboard xtal for time base..
Which will over time drift from the standard time keeping..
Causes can vary from voltage changes to Temp. changes...

RTS