•
To stop the manual calibration anytime, press
Light sensor for self-adjusting the display brightness
The clock is equipped with a light sensor (located at the top right of the
clock). It will adjust the display's brightness (Hi / Med / Lo level) according
to the surrounding light environment.
Troubleshooting
No display or functions
Check the AC/DC adaptor is properly connected.
Response time
Ensure the air flow channels at the back of the monitor are not blocked or
covered.
CO2 reading shows "Err"
The CO2 sensor is not working properly. Unplug the AC/DC adapter for 10
seconds to insert it to your monitor again.
Care and maintenance
1.
Place your monitor on a stable surface, away from sources of direct
sunlight or excessive heat or moisture.
2.
Clean your monitor with a soft cloth moistened only with mild soap and
water. Stronger agents such as Benzine, thinner or similar materials
can damage the surface of the item. Make sure the monitor is
unplugged before cleaning.
3.
Do not open the back case or tamper with any components of this
monitor.
4.
Do not plug in any other AC/AC or AC/DC adaptor with incorrect
specifications or voltage.
CO2 levels and guidelines
Below are some CO2 reference levels in general:
400~600 ppm
600~1,000 ppm
1,000 ~1,500 ppm
1,500~2,000 ppm
Background (normal) outdoor air level.
Typical level for occupied spaces with good
air exchange.
Start ventilation of the room.
Level associated with complaints of
EN7
once.