Tenmars ST-502, User Manual

Page: 12 / 22

8
Step 5. CO2 alarm minimum value

Press the button to enter this setting
item operation.

The first digit will start flashing at this time;
press the button to increase and press
the button to decrease.

Press the button and the second digit
will start flashing; press the button to
increase and press the button to
decrease.

Press the button and the third digit will
start flashing; press the button to
increase and press the button to
decrease.

Press the button and the fourth digit will
start flashing; press the button to
increase and press the button to
decrease.

Press the button again to start setting
from the first digit again.

Press the button to exit this item setting
operation.