EA80-en-GB_v3.3 09/15
5
MAX
CO
2
ppm
d-h
m:s
8
MIN
CO
2
ppm
d-h
m:s
CO
2
ppm
d-h
m:s
CO
2
Maximum and Minimum Recording Measurement
1. Press “MX/MN” button to enter the maximum /
minimum recording mode, the “MAX” icon appears on
the display. The maximum CO2 reading will be
displayed and will be updated only when a higher
reading occurs.
2. Press “TIME” button to enter time display mode.
Displays 2 and 3 will indicate the time the maximum
reading occurred.
3. Press “MX/MN” button again. The “MIN” icon will
appear with the minimum value and its stamp time.
4. Press “MX/MN” button again. The “△” icon will
appear with the current value and current time.
5. Press “MX/MN” button again cycle through the
recorded MAX, MIN and current readings.
6. Press “” button to exit this mode.
7. Press “TIME” button exit the time display mode.
Data Hold
1. Press the H button momentarily to freeze the
displayed reading. The 'H' icon will appear on the
upper left-hand side of the display.
2. Press the H button again to return to normal
operation (the 'H' hold icon will disappear).
Backlight
1. Press the button to turn the backlight on or off.
2. The backlight will turn off automatically after 30 seconds.
SET
MAX
MIN
ALM
R
M
Err
INTV
Err
CO
2
ppm
ppm
%RH
d-h
CO
2
DEW
WET
°C°F
ppm
CO
2
m:s
8888
8888
8888
88
CAL
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