Sper Scientific 800005 Thermometer Advanced w/RS232 - Manual (Page 8)

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When the counting exceed 59min 59sec, the time
scale will be changed to hours and minutes and the
“
H ” symbol will appear on the display.
The counting can be reset by press and hold
“ TIMER
”
button for 2 sec.
4.7 Relative Operation:
When one press the “
•
REL” button, the meter will
memorize the present reading and the difference
between the new reading and the memorized data
will be shown on the display. Press the “
•
REL” button
again to exit the Relative operation.
4.8 MAX/MIN/AVG Operation:
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 int
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”