The time shown on my screensaver is not always accurate. When I put the STP to sleep with the red button, the time shown on the screen is way off. For example, it currently shows 1:44 while the current time is 4:03. Then after about 30 seconds it will update to the correct time. Then I wake it up and put it back to sleep and it is back to showing 1:44 for an initial period. ***?