Instruction Manual

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Temperature compensation icon:
ATC — automatic temperature compensation;
MTC — manual temperature compensation
Serial number and icon of data storage and recall
M+ — icon for measurement storage;
RM — icon for reading recalls; Numbers on the left is serial number.
emperature measurement and unit
RS232 communication icon When this icon appears, the meter has been
connected to a computer or laptop.
Timing measuring icon
Electrode calibration indication icon
Stability icon of readings
4.2 Keypad
Keypad operations: Short press— <1.5 seconds; Long press — >2seconds.
Keypad operations and descriptions
Operations
Descriptions
Short press
Turn on/off the power.
Attention: Only under measuring mode can the meter be
turned off. If under calibration or parameter setting mode, the
operation will be invalid. You need to press <ENTER> and go
back to measuring mode. Then press < > to turn off.
OFF
ON
OFF