Specific Application
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Press and hold “MAX/MIN” for one second, “MAX/MIN” on top LCD interface will disappear,
and the max/min value inquiry mode will exit.
Figure 3-1-3
Tips
In non-zero calibration mode, press and hold “MAX/MIN” key for a short time to use the
max/min value inquiry functions;
3.4
Application of data hold and zero calibration mode
Press and hold “HOLD/ZERO” key for a short time, “HOLD” will appear on the top left position
of the LCD interface (as shown in 3-1-4A), then the device will enter the data hold mode;
Press and hold the key again, “HOLD” on the top left position of the LCD interface will
disappear, and the meter will exit the data hold mode;
Cover the opto-sensor with the visor, and press and hold “HOLD/ZERO” key for one second,
“ADJ” will appear on LCD interface (as shown in figure 3-1-4B), then the device will enter the
zero calibration mode. Several seconds later, “ADJ” on LCD interface will disappear, and zero
calibration mode will automatically exit and return to auto measurement mode.