28 MW306 Portable Meter
To toggle between information displayed on the third LCD line, use
the keys.
If the reading is out of range, the full-scale value is displayed
blinking.
8.4. WARNINGS & MESSAGES
Messages Displayed During Calibration
If the reading exceeds expected value, "WRONG STANDARD"
message is displayed and calibration can not be confirmed.
Check that correct calibration solution has been used and / or
clean the probe. See PROBE MAINTENANCE section for details.
When using ATC mode, if the temperature of the solution
is outside the accepted interval, the "WRONG STANDARD
TEMPERATURE" message is displayed. The °C tag and the
temperature are displayed blinking.