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12
time again, the device will exit the relative value
measurement mode and return to the original measurement
mode, and “REL” on the top left position of the LCD
interface will disappear; pressing the key for one second will
lead to the peak measurement mode, “PEAK” and “MANU”
will appear on top right position of LCD display; press and
hold the key for one second once again, “PEAK” will
disappear from the top right position of the LCD interface,
and “AUTO” will appear in the middle of LCD, and the mode
will return to auto measurement mode.
Press and hold max/min value inquiry key ⑤ for a short time,
“MAX” will appear on top position of LCD interface,
switching the device to the max/min value inquiry mode; in
this mode, each short press of the key causes the mode to
change from MAX to MIN or from MIN to MAX; press and
hold the “MAX/MIN” key ⑤ for one second, “MAX/MIN” on
top position of the LCD interface will disappear, and the
mode will exit. Press and hold the data hold/zero calibration
key ⑦ of the MT-4617 for a short time to enter the data hold
mode, which will be indicated by the apparition of “HOLD”
on the top left position of the LCD interface; press and hold
the key for a short time once again, “HOLD” will disappear
from the top left position of the LCD interface, and the
device will exit the data hold mode.
In any mode with sensor covered, press and hold data
hold/zero calibration key ⑦ for one second, “ADJ” will
appear on the LCD interface, and the device will enter the
zero calibration mode: several seconds later “ADJ” will
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