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(2) There is a counter in the lower left corner of the screen.
The count value is cycled from 1 to 32.
The counter will increase by 1 each time a valid
measurement is performed, and then return to 1 after 32.
If the measurement result is "L0" or "HI", it is called invalid
measurement, the measurement result is not entered into
the memory, and the counter is not incremented.
(3) View historical data. After each test, the instrument will
automatically record test data, which can record up to 32
historical measurement data.
If you want to view these data, press "M" key, then press
"+" or "-", press "-" to display the latest measured
temperature, and press "+" to record the farthest time.
Press "+" or "-" again to cycle.
Key Description
(1) Single-click the "M" key for historical data query, short
press "+" to query the next set of temperature readings,
and short press "-" to query the previous set of
temperature readings.
A total of 32 sets of historical data can be viewed.
(2) If the measurement result is "L0" or "HI", it is called invalid
measurement.
The measurement result does not enter the memory and
the counter does not increase.
(3) Short press the backlight key to turn the backlight on and
off.
(4) Short press the speaker button to turn the sound on and
off.
