26 D1
+
PERSONAL DUST MONITOR
To power down the D1
+
, follow the steps below.
1. Press and hold the function button
on the front of the D1
+
to initiate
the power OFF sequence.
2. Release the function button on the front
of the D1
+
when all icons are
illuminated white.
3. The D1
+
will power down.
11.4 Power o sequence
Release
Hold
Power o routine
Power o
11.5 Instrument self-test routine
On initial power on, the D1
+
is programmed to perform a set of initialisation tests which are
listed and described below. The device will perform the self-test routine every time it is switched
on, with results displayed in the form of green flashing icons for a pass result and red flashing
icons when an error is identified.
Refer to section 11.2 for sequence illumination details.
XD1+_User manual_P5650.1600_Rev A