Hanna Instruments HI 84442 - Manual (Page 9)

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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.
1. Current time and instrument mode information (pH meter or Titrator)
2. pH electrode condition information
3. Main reading information
4. Instrument status information
GUIDE TO INDICATORS
During the instrument’s operation information is displayed on the LCD.
Displayed icons:
Unstable reading.
Stirrer on. Pump running.
Parameter can be changed.
1
5
2
3
4
9
6
8
7
KEYPAD FUNCTION AND INDICATORS