Discuss Register Lock up/ Frozen Screen http://skan.com/up700-error-messages/register-lock-up-frozen-screen.html Wed, 08 Sep 2010 15:25:37 +0100 FeedCreator 1.7.3 http://skan.com/up700-error-messages/register-lock-up-frozen-screen.html#comment-9 Correction, 1 key position past the SRV mode position. Ross Data Systems Wed, 04 Nov 2009 04:18:40 +0100 http://skan.com/up700-error-messages/register-lock-up-frozen-screen.html#comment-8 Could also turn the key to the 'S' position then turn it back to REG if you have a MA key. Ross Data Systems Wed, 04 Nov 2009 04:17:17 +0100 http://skan.com/up700-error-messages/register-lock-up-frozen-screen.html#comment-7 wow. im really suprised that worked i have an ancient cash register too! thanks for this im so greatful that i was able to fix it!!! thank you!! sarah Sat, 05 Sep 2009 14:54:31 +0100