ENGLISH
5
Hold down
for two seconds to switch meter OFF.
Quickly press
to toggle the backlight on or off.
Note: using the backlight reduces the battery life.
Press
to display the highest reading detected while the meter is
switched ON.
Press
again to display current value
Holds value when button is pressed.
Freezes the display with the CO reading at the time the HOLD button is
pressed. Press again to display current value.
2.3 Normal display
2.4 Backlit display
2.5 Max
2.6 Hold
CO ppm
