4
1) BNC connector for pH or ORP electrodes
2) Liquid Crystal Display (LCD)
3) RANGE key, to select pH, mV or temperature range
4) Up Arrow key, to manually set the temperature value when no temperature
probe is connected
5) CAL/SELECT key, to enter calibration mode or select menu options
6) CFM/SETUP key, to confirm data or enter/exit setup menu
7) Down Arrow key, to manually set the temperature value when no temperature
probe is connected
8) HOLD key, to freeze the reading on display
9) ON/OFF key, to switch the instrument ON or OFF
10) RCA socket for temperature probe
FUNCTIONAL DESCRIPTION