Shortcut  | Function  | 
PLUS SIGN  | If the genesis (01/01/50) date is displayed, pressing this key changes the date to the current system date. If any other date is displayed, pressing this key increases the displayed date by one day.  | 
MINUS SIGN  | Pressing this key decreases the displayed date by one day Note: You can use the MINUS SIGN key on either the keyboard or numeric keypad for this shortcut.  | 
CTRL+PLUS SIGN  | Increases the hour field by one Note: You must use the PLUS SIGN key on the keypad; this shortcut will display the current date and time if you use the PLUS SIGN key on the keyboard.  | 
CTRL+MINUS SIGN  | Decreases the hour field by one Note:  You must use the MINUS SIGN key on the keypad; this shortcut will display the current date and time if you use the MINUS SIGN key on the keyboard.  | 
CTRL+SHIFT+PLUS SIGN  | Increases the minute field by one Note: You must use the PLUS SIGN key on the keypad; this shortcut will display the current date and time if you use the PLUS SIGN key on the keyboard.  | 
CTRL+SHIFT+MINUS  SIGN  | Decreases the minute field by one Note: You must use the MINUS SIGN key on the keypad; this shortcut will display the current date and time if you use the MINUS SIGN key on the keyboard.  |