Additel 680 - Menu Operation and Navigation; Entering and Returning from Menus; Switching Between Menu Items

6.2 Menu operation
6.2.1 Enter /Return
Push and hold button in the pressure display mode to enter menu setup mode.
Push button in menu setup mode to return to previous menu.
Example:
Pressure display
Menu1
(Average measure)
Push and hold
Push
6.2.2 Switch menu item
Push and button to move forward or backward through the menus:
units
units
units
6