Hanna Instruments HI 84431 - Manual (Page 10)

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ESC - used to leave the current screen and to return either to the previous screen or to the
main screen. When pressed while modifying a parameter within the SETUP menu,
exits parameter without changing it.
/ - used to modify the parameters’ values, to scroll the information displayed while
viewing a help or to move between the options from the instrument’s SETUP
HELP - used to access/leave the instrument’s contextual help
MENU - used to enter SETUP, Recall or GLP selection menu, while instrument is in pH or
Titration main screen
STIR - used to start/stop the stirrer.
Note: The stirer starts automatically during pump calibration and titration and cannot be
stopped by pressing STIR key.
KEYPAD FUNCTION AND INDICATORS