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Type K J Thermometer
4.8 MAX/MIN/AVG Operation for Main Display:
When one press the button the meter will enter
the MAX/MIN mode. Under this mode the maximum value,
minimum value and average value of latest 4 data is kept in the
memory simultaneously and updated with every new data.
When the MAX symbol is display, the Maximum is shown on the
display.
Press again, then the NIN symbol is on the display and
also the minimum reading.
Press again, the AVG symbol is on the display and also
the average reading.
Press again, MAX, MIN and AVG will blink together. This
means that all these data is updated in the memory and the
reading is the present temperature.
One may press to circulate the display mode among
these options.
When the meter is under operation, “
REL” and
“
°C/°F
”
are disabled.
To exit the MAX/MIN mode, one may press and hold
for two seconds.
4.9 Auto Power Off:
By default, when the meter is powered on, it is under auto power
off mode. The meter will power itself off after 30 minutes if no key
operation or RS232 communication.
Key combination at power on
or RS232 communication can disable auto power off.
One may press and hold “
HOLD
” button and then power on the
meter and there will be two successive beeps to indicate that auto
power off is disabled.
4.10 Low Battery Condition
When the battery voltage is under proper operation requirement,
the symbol will show on the LCD and the battery need to
be replaced with new one.