5
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)
p
and
q
keys, for manual temperature setting, or selecting
pH buffer value.
12) Secondary display.
13) Primary display.
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