Hanna Instruments HI 4321 - Manual (Page 6)

6
KEYBOARD DESCRIPTION
FUNCTION KEYS
VIRTUAL KEYS
The upper row keys are assigned to the virtual keys placed on the bottom of the LCD, which allow you to
perform the displayed function, depending on the current menu (e.g.
, and in
Measure mode).
LCD GENERAL DESCRIPTION
To enter / exit calibration mode.
To select the desired measurement mode: Conductivity, Resistivity, TDS, Salinity.
To enter Setup (System Setup, Conductivity Setup, Resistivity Setup , TDS Setup or Salinity
Setup) and to access Log Recall function.
To obtain general informations about the selected option / operation.