Hanna Instruments HI 84500 - Manual (Page 8)

8
ESC - used to leave the current screen and to return either to the previous screen or to the
main screen. In Setup menu, exits a parameter without changing the value.
/ - used to modify the parameter values, to scroll the information displayed while
viewing a help screen or to move between the options from the instrument’s Setup menu
CAL - used to access the Pump calibration
HELP - used to access/exit the instrument’s contextual help
LOG - used to save the current mV-ORP reading in ORP meter mode and the titration result
MENU - used to enter Setup, Recall or GLP selection menu, while instrument is in ORP or
Titration mode
STIR - used to start/stop the stirrer
Note: The stirrer starts automatically during pump calibration and titration, it cannot
be stopped by pressing STIR key.
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 modified.
KEYPAD FUNCTION
1) Current time and instrument mode information (ORP meter or Titrator)
2) Instrument status
3) Virtual option keys
4) Stirrer and reading status
5) Main reading information
Stirrer is not working properly.