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7.2.3 OPERATING KEYS (NAVIGATION)
The 4 keys for navigation control the following functions:
“” key: Press this key to scroll upwards in the menu levels or to alter
a value you want to set.
If you press this key in the status display, you will access the
“UPS On or Off” menu item.
“” key: Press this key to scroll downwards in the menu levels or to
alter a value you want to set.
“ENTER” key: Press this key briefly to select the corresponding menu item.
To confirm and store a menu item in the “Settings” menu,
press this key and hold it down for at least 1 second.
„ ESC ” Taste: Press this key to return to the previous menu level without
altering any settings. If you press this key in the status display,
you will access the main menu.
If no keys are pressed, the display will automatically return to the standard display
after 5 minutes. If you want to “freeze” a screen in the “Measurements” menu,
press “” and “” at the same time for about 3 seconds. A small key appears on
the upper right-hand side of the display to indicate this setting. Press both these
keys again for approx. 3 seconds to cancel this setting.