4.7 MAX/MIN/AVG OPERATION FOR MAIN DISPLAY
When one presses the button the meter will enter the
MAX/MIN mode. Under this mode the maximum value, minimum
value and average value of latest 8 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 MIN 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.
4.8 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. OPERATION INSTRUCTIONS
P.8
