This is also recommended by Speedotron if the unit was switched off in the 1/4 or 1/2 power setting. One has to wait for 10 seconds before turning the units on again, otherwise the switch could burn out, according to the manual. Regards Ralph W. Lambrecht http://www.darkroomagic.com On 2006-10-02 15:23, "BOB KISS" <bobkiss@xxxxxxxxxxxxx> wrote: > When I turn my packs off I count > SLOWLY to 10 before plugging in or unplugging heads. ============================================================================================================= To unsubscribe from this list, go to www.freelists.org and logon to your account (the same e-mail address and password you set-up when you subscribed,) and unsubscribe from there.