10
Note…
When CO2 exceeds 1000 ppm, both the alarm (bell) icon
and the red LED will flash a warning. When the CO2 level
falls below this threshold, these visual alarms will stop.
Minimum and Maximum Readings
The meter automatically records minimum and maximum
CO2 levels
. To view the minimum and maximum readings
while in Normal Mode:
1. Press
MAX/MIN
to display the maximum reading.
2. Press
MAX/MIN
again to display the minimum reading.
3. Press
MAX/MIN
to return to Normal Mode.
To reset the minimum and maximum readings:
1. With the minimum or maximum reading displayed, press
HOLD
for 2 seconds, “0” will display.
2. Press
MAX/MIN
to return to Normal Mode.
Hold Function
1. Press
HOLD
to freeze the current reading.
2. Press
HOLD
again to return to normal mode.
Summary of Contents for 800050
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