4-IN-1 GAS DETECTOR
23
①
In measuring status, press
“▼”
+
“▲
” in 5-second,
buzzer goes off 1 time in
shorter audio, get into flow
chart checking status
。
The
detector will display maximum
value in measurment
。
②
press“OK“, the detector will
display minimum value in
measurment
。
③
press“OK“
，
it will display
STEL value (average in 15
minuts)
。
