SFD-600 series
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SFD-600
Common problem
SFD-600 series
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8 2016-08-11 15:14:09
With Magnetic pen long press "FUNC" button for about 5 seconds, Press ▲ (plus 1),▼ (minus 1) and ?(left)" regulation to display "1111", press "FUNC" 1 times, enter "SPAN" zero adjustment menu, press “?” into "H" at the beginning "XX" the existing gas concentration, Pressing ▼ (minus 1), which shows the number reduced to 0 so far.
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