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buzzer issues a "beep" sound. The LCD screen prompts the user
to shut down the interface shown in figure 2, the user through the
▲
▼
keys to select whether to shut down. If you choose to shut
down, the screen no longer displays any information, and will shut
down.
Fig. 2
4.3 Button function
Detector in the normal detection state as shown in figure 1:
Press any key to operate the back light (user can set back light
time)
Press "
" key to enter the menu;
Press "
▲
" key to enter the alarm record;
Press "
▼
" key to enter the gas concentration curve display
interface;
4.3.1
If gas concentration is below the
first alarm level
for all gases
except Oxygen, the detector is in normal state and no alarms will
occur.
21:18:04
40%
SHUT DOWN
YES NO
