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Toggle High Priority Display
Text (Maxi-
mum eight
characters)
Background Remarks
Primary
Pressure
Secondary
Pressure
Disabled A N Alarm Red Shows Alarm for second-
ary room if secondary room
is selected for display. If
the pressure to display is
selected as Primary, display
switches to the secondary
room to show the alarm.
Disabled A A Alarm Red Display toggles between pri-
mary and secondary room.
Disabled A A Alarm Red Display toggles between pri-
mary and secondary room.
Enabled N N Normal Green Toggle between primary and
secondary room.
Enabled N A Alarm Red Shows secondary alarm.
Display stops toggling.
Enabled N A Alarm Red Shows secondary alarm.
Display stops toggling.
Enabled A N Alarm Red Shows primary alarm. Dis-
play stops toggling.
Enabled A N Alarm Red Shows primary alarm. Dis-
play stops toggling.
Enabled A A Alarm Red Display toggles between pri-
mary and secondary room.
Enabled A A Alarm Red Display toggles between pri-
mary and secondary room.
This page is used for calibration of the internal pressure transducer sensor
and testing operation of hardware circuitry. Calibration is only required for
highly accurate measurement needs such as those needed to comply with
federally mandated regulations. Calibration should only be performed by
qualied personnel.
1. Select Primary or Secondary room. When selected, the gray box to the
right will indicate if the calibration will be applied to the on-board sensor or
the external sensor (Analog Ch1 or Analog Ch2). The indicated pressure is
shown.
2. Calibration of the on-board sensor requires that the faceplate be removed
and the captive screw holding the display cover must be loosened (at the
bottom-center of the display bracket).
3. Lift the cover to expose the clear and red tubing connecting the on-board
sensor to the pressure ttings in the rear of the unit.
4. Remove the tubing from the high and low ports (red and clear tubing).
This disconnects the sensor from the room pressure.
5. After calibration, replace the red and clear tubing.
Calibration and
Self-Test
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