Carbon Monoxide Meter
-7-
4. Operation Instructions:
4.1 Power-Up:
Press the
button to turn ON or OFF.
After Self-Test, if the meter detects
between 0-3 ppm of CO, the LCD readings
start decreasing from the initial value to
zero. The LCD shows readings when the
meter detects more than 3 ppm of CO.
4.2 Selecting Temperature Units:
When the meter is first powered on, the
default scale setting is set to the Celsius
(°C) scale. To change to Fahrenheit (°F)
press the
button. Press again to
revert to Celsius. The next time the meter
is turned on, the scale setting will be the
same as it was when you powered off last
time.
4.3 Data-Hold Operation:
The present reading may be held on the
display by pressing the
button.
When the hold data is no longer needed,
release the data-hold operation by
pressing the
button again.
When the meter is in the Data Hold mode,
the
,
and
buttons are disabled.
4.4 SET ALARM Operation:
Press and hold the
button for two
seconds to enter the CO high alarm
threshold mode. The setting range is from 0
to 1000 ppm (default is 35 ppm).
Press the
(
) button to increase
the value and press the
(
) button
