Sper Scientific 850055 pH Meter - Advanced - Manual (Page 7)

7
LCD DISPLAY
LCD display indicates pH, mV, ORP (mV).
Icon pH, mV indicates the unit of measure displayed.
READY indicates the reading is stable.
MAX, MIN indicate maximum or minimum memory value.
HLD Holds the current reading on the display.
REC indicates the meter is in recall mode.
The two digits to the right of °C °F on the display indicate
the total number of records that contain stored data.
The are real time Y-M-D (Year-Month-Date) or
H:M:S (Hour-Minute-Second).
ATC means the meter is in automatic temperature
compensation mode.
°C and °F are temperature units of measure, to the right of
the real time display.
CAL indicates the meter is in calibration mode.