Casio Atomic-Solar MTG900 Watch "set time shock mtg" Questions

...Time (DST) set to AUTO mode. Just hold the ADJUST button until the time starts blinking. Then hit MODE and DST will show on the top. Hit RECEIVE as needed until you see AUTO in the bottom. Then just ...

...set atomic time I just changed the battery and the atomic auto time set did not work. I have pushed the lower right button to get it set manually, but each time the watch displays ERR Any ideas? ...

...MTG-900DA-8V watch. I cannot hear the alarm when it goes off. I'm sure the alarm is working because I can see the icon pulsating at the time of the alarm. Can this be fixed? Thank you. It might be ...