23
8.0 OPERATION
8.1 Start-Up
KEY
DISPLAY
NOTES
__
1.
ON/OFF
START ZERO:ENTER
Before starting a run with the
GO TO RUN: NEXT
personal
DataRAM, zero it (see
Section 6.5) and key
ENTER
while the unit is exposed to
particle-free air. Alternatively,
key
NEXT
to go to
RUN/READY mode. If
ENTER
is keyed:
2.
ENTER
ZEROING V2.00
Keep clean air flowing while
ZEROING is displayed* for 1.1
min., followed by one of these
screens:
CALIBRATION:
OK
or,
BACKGROUND
HIGH
or,
MALFUNCTION
If CALIBRATION: OK, then go
to step 3. If one of the other two
screens is displayed, consult
Section 12.0.
3.
NEXT
START RUN: ENTER
To start a measurement run
READY: NEXT
key
ENTER
(Section 8.3, step
1). To set up for a run and
scroll logging/operating
parameters, key
NEXT
(see
Section 8.2).
4.
ON/OFF
TURN OFF PDR?
Keying
ON/OFF
while the unit
Y:ENTER N:NEXT
is operating will elicit this
message to prevent accidental
shut off.
To
confirm
shut
down,
key
ENTER
. To continue operation,
key
NEXT
.
*The number following the V on the screen refers to the installed firmware version.
