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"
"for three seconds，the meter exits record model.
8.4
key；after power on the meter，press"
"，it can
convert the units of measurement：bar,mmHg,Ozin2,Kgcm2,psi,inH2O,Kpa,ft
H2O,inHg,cmH2O,mbar.
8.5
key；
8.5.1 After the meter power on，press"
"button once，the screen will
be locked, press"
"again，it will cancel this function.
8.5.2 After power on the meter， no gas pressure input， press "
" for three
seconds，LCD screen display"----"，the meter reset.
8.6 Automatically power on/off； the meter will automatically turn off after
approx. 25 minutes of inactivity. It can save battery's life. If you do not want to
turn off, first press
,then press
,"ON "will appear on the LCD
display, it indicates that power off function is disabled.
7