28 D1
+
PERSONAL DUST MONITOR
To activate the self-test routine, follow the steps below.
1. Press and hold the function button
on the front of the D1
+
to
initiate the function sequence.
2. Release the function button on the
front of the D1
+
when all icons
are illuminated blue.
3. Following the self-test routine the
D1
+
will display a “Pass” / “Fail”
result via an audible visual alarm.
4. The D1
+
will automatically begin to
sample particulate concentrations.
Hold
Release
Power o routine
Start up self-test routine
Self-test result
XD1+_User manual_P5650.1600_Rev A
Sample routine
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