4
Normal mode
In normal mode, the unit starts monitoring gas
concentration. The LCD displays the remaining life time
when there’s no gas alarm. In case of a gas alarm, the
alarm type is displayed: Low or High alarm.
Enter Config Mode
Press and hold the Left Key and the Right Key together
for 3 seconds, the unit enters config mode.
Config mode is password protected, LCD display “PWD”
to prompt enter password. To input password, use the
Left Key to increase the number, use the Right Key to
move the cursor.
After all four digits are input, the cursor will move to
“OK”, use the Left Key to finish password input and
enter config mode.
Exit Config Mode
When LCD displays “Exit?”, press the Left Key to exit
from config mode back to normal mode.
