LaMotte pH PLUS Direct Meter - Manual (Page 6)

2. GETTING STARTED
2.1 Description of Keypad Functions
The pHPLUS DIRECT has six keys on its splash-proof keypad with tactile
feedback. The keys include
ON/OFF, HOLD/ENTER, CAL, MODE, p
and
q keys.
Powers meter on and off. Meter starts up in the mode that you were in
before turning the meter off.
Selects measurement mode for Ion, mV, pH and Temperature.
Allows calibration for Ion, pH, mV or Temperature, or to abort
calibration without confirming any set value.
Allows you to increase values during calibration mode.
Allows you to decrease values during calibration mode.
Freezes the measured reading for easy viewing.
Confirms calibration value.
6
CAL
MODE
ON
OFF
HOLD
ENTER
ON
OFF
CAL
HOLD
ENTER
HOLD
ENTER
MODE