<div>Thanks, Don. I'm retired now so no longer have to deal with that but I'd often wondered about it. </div> <div> </div> <div>Avery </div> <div class="gmail_quote">On Sun, 16 Mar 2008 16:43:58, Don <<a href="mailto:pianotuna@accesscomm.ca">pianotuna@accesscomm.ca</a>> wrote: <blockquote class="gmail_quote" style="PADDING-LEFT: 1ex; MARGIN: 0px 0px 0px 0.8ex; BORDER-LEFT: #ccc 1px solid">Hi Avery, Just add a UPS back up power system to an existing DC unit. At 03:28 PM 3/16/2008 -0500, you wrote: >I&#39;ve recently wondered if DampChaser could design a system that could >work off a battery and not have to always be plugged in. It seems like that >could also be good for concert instruments which HAVE to be moved around. >Just a thought!     Avery Todd Houston, Tx > > <<a href="mailto:rnossaman@cox.net">rnossaman@cox.net</a>> wrote: > > >>    I agree 100% on the Damppchaser Suggestion---BUT---- I can&#39;t get any >> school to keep the system plugged in much less filled with water. > >Likewise, mostly, and even that very rare working and semi > maintained system gets unplugged and/or unfilled when they >shut the heat off and go on Christmas break. Then there&#39;s >spring break, June, July, and half of August. You don&#39;t win >this game, you just get to pay to watch the wheel go round. > >Dampp-Caught, in perpetuity. >Ron N > > > No virus found in this incoming message. Checked by AVG.  Version: 7.5.519 >/ Virus Database: 269.21.7/1331 - Release Date: 3/16/2008 10:34 AM Regards, Don Rose, B.Mus., A.M.U.S., A.MUS., R.P.T. Non calor sed umor est qui nobis incommodat mailto:<a href="mailto:pianotuna@yahoo.com">pianotuna@yahoo.com</a>      <a href="http://us.geocities.com/drpt1948/" target="_blank">http://us.geocities.com/drpt1948/</a> 3004 Grant Rd. REGINA, SK, S4S 5G7 306-539-0716 or 1-888-29t-uner </blockquote></div>