Yokogawa PH72 Personal pH/ORP Meter - Manual (Page 36)

IM 12B03D02-01E
5-1
5. Keypad and Display Functions
5. Keypad and Display Functions
There are eight membrane keys on the keypad of the Model PH72 Personal pH/ORP
Meter. The following key functions are provided.
• Displaying a pH (or mV) value and temperature
• Displaying a pH (or mV) value, date and time
• Holding a pH (or mV) value and temperature
• Storing data — pH (or mV) value and associated information
• Function mode
• Calibration
POWER
Auto Power Off
HOLD
F/ENT
MEAS
DATA
F050001.EPS
CAL
Turns power on or off.
Automatic Power Off
function (default: 20 min).
Moves to calibration
mode.
Moves to measurement
mode or switches
measurement display
panels. Also exits from the
current function and returns
to measurement mode.
Changes setting or
value.
Moves to function
mode or confirms data
entry. Holds the currently
measured value.
Stores the currently
measured value in
memory.