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Instruction Manual
IM-105-4000, Original Issue
August 2005
OPM 4000
4-2
Zero Cal Fail - During calibration check the zero reading has exceeded the
> 2% opacity set point.
Span Cal Fail - During calibration check the span reading has exceeded the
> 2% opacity set point.
Manual Cal - A manual calibration check from the control unit front panel
AUTO/MAN key was pressed.
Control Unit Manual
Controls
ACK - Acknowledges fault alarms and displays the fault message.
DIS - Changes display each time it is pressed; Opacity %, Average Opacity,
dust/zero shift, hours to next cal.
AUTO/MAN - initiates a maintenance cal cycle and resets calibration cycle
timer clock.
Alarm Set Point
Adjustments
Under the flip down door, press the EDIT (ESC) button [the red Edit (ESC)
LED will light]. The message display will read QUICK MENU. Press the
ENTER key, then the EDIT Ð key 1 time until the Display reads ALARM SET
POINT. Press the ENTER key twice; the Edit Value Light will flash. Press and
hold the EDIT Ï or EDIT Ð key until the desired set point in % opacity value
is displayed, i.e. 20.00 is 20.00% opacity. Press the EDIT key 4 times to return
to normal operation (Figure 4-1).
Figure 4-1. OPLR Display
(ESC)
EDIT
ENTER
t
EDIT
u
EDIT
Ý
REM
LOC
AUTO
MAN
ß
DISACK
+19999
MESSAGE
PV SP
OUT
“Edit Value” Light
“Scroll Menu” Light
Moves Message Cursor
EDIT Keys
Hinged Cover