ATC Calc Plus Screen Shots

Time Adjustment

No time adjustments done.

Time adjusted forward 4 minutes. Done by tapping the Shift button until 'Mins' is displayed, then tapping the '+' button 4 times.

Time adjusted backward 5 miuntes. Done by tapping the Shift button until 'Mins' is displayed, then tapping the '-' button 5 times.
 
Cycling Through the Shift Button

Initially, pressing + and - adjusts tenths of a second.

Press Shift and then pressing + and - adjusts whole seconds.

Press Shift again and then pressing + and - adjusts minutes.

Press Shift again and then pressing + and - adjusts hours

Press Shift again and it rotates around so that pressing + and - adjusts tenths of a second again.