Hanna Instruments HI 9124 - Manual (Page 5)

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1) Liquid Crystal Display (LCD).
2) RANGE key, to select pH or mV (HI 9125 only).
3) ON/OFF key, to turn the meter ON and OFF.
4) CAL key, to enter or exit calibration mode.
5) SETUP/CFM key, to enter SETUP mode or to confirm calibration.
6) Battery compartment cap.
7) Temperature probe socket.
8) BNC electrode connector.
9) MR key, to recall stored value from memory.
10) MEM key, to store reading in memory.
11)
and keys, for manual temperature setting, or selecting
pH buffer value.
12) Secondary display.
13) Primary display.
F U N C T I O N A L D E S C R I P T I O N F U N C T I O N A L D E S C R I P T I O N F U N C T I O N A L D E S C R I P T I O N F U N C T I O N A L D E S C R I P T I O N F U N C T I O N A L D E S C R I P T I O N