7
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).
Note
: All the virtual keys are assigned to the focused channel (
HI 4222
only).
LCD GENERAL DESCRIPTION
To enter/exit calibration mode.
To select the desired measurement mode, pH, mV, Rel mV (or ISE –
HI 4222
only).
To enter Setup (System, pH, mV or ISE) and to access Log Recall function.
To obtain general informations about the selected option/operation.