
- 6 -
⑤
—
Temperature compensation icon:
ATC — automatic temperature compensation;
MTC — manual temperature compensation
⑥
—
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.
⑦
—
emperature measurement and unit
⑧
—
RS232 communication icon When this icon appears, the meter has been
connected to a computer or laptop.
⑨
—
Timing measuring icon
⑩
—
Electrode calibration indication icon
⑪
—
Stability icon of readings
4.2
Keypad
Keypad operations: Short press— <1.5 seconds; Long press — >2seconds.
Keypad operations and descriptions
Keypad
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