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The display shows CO concentrations from 30
to 999 ppm. If the CO concentration exceeds
this maximum value, the display continues to
show 999 ppm.
Testing the device electronics
Pressing the Test/Reset button triggers
a device electronics test: The warning
tone signals and the red ALARM LED
blinks. This does not signalise that CO
is present in the room; it is a
confirmation that the alarm is
functioning properly.
Test the alarm function after installation and after every battery
change without fail (wait about 30 seconds after establishing the
battery contact). A regular weekly test is also recommended.
Displays and functions
31
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