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Right Arrow Button - when MODE pressed, used as right arrow.
Down Arrow Button - starts manual data logging. When MODE pressed,
used as down arrow or to decrease the value.
MODE Button - hold down for 2 seconds to enter SETTINGS.
READING THE DISPLAY
1. Carbon Dioxide Display Area
: Battery level indicator
PPM: Concentration units (parts per million)
CO2: Chemical symbol for carbon dioxide
MON: Month
2. Temperature Display Area
°C / °F: Degree centigrade, Fahrenheit degree
YEAR: Year
HOUR: Hour
: Sound Alarm Enabled
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DAY: Day
MIN: Minute
SEC: Seconds
REC: Recording starts
3. Humidity Display Area
% RH: Humidity Unit
USING THE MONITOR
Power and Charging
The rst time you use the monitor, use the wall adapter or a powered PC port and
the USB cable to plug it in. The monitor has a built-in rechargeable battery. When the
screen displays low battery, it should be recharged. The monitor can be used while
charging.
Turning the Monitor ON/OFF
Press the power button to turn the power on or o . When powered on, the display
will show a 30 second count down. After the countdown is complete, you can
change settings.
Setting the CO2 Alarm Level, Date and Clock
Press the MODE button for two seconds to begin. The rst setting is the CO2 alarm
level. Press the left and right arrow buttons to select the digit to change.
The selected digit will ash. Press the up and down arrows to change it.
Press and hold the MODE button again for 2 seconds to move to the date and clock
values. Again, use the MODE button to change between values and the up and
down arrows to change them. When complete, press the MODE button to save your
changes and return to the normal display. The CO2 Alarm Level, Date and Clock can
also be set using the software. See instructions at the end of this manual.
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