Apex Instruments XD-502 - Fig. 3 User Interface; 3 Operation; User Control Overview; Home Screen Overview

XD-502 Digital Console
Apex Instruments, Inc.
The home screen on the XD-502 console allows
the operator to view and manage run data.
Run time displayed in MM:SS.ms formatTimer:
and can be started, stopped and reset using the
membrane switch pad buttons.
-ΔP: The current ΔP pitot tube differential Pitot
pressure is displayed for the pitot. The averaging
(or damping) of this value can be adjusted in the
console menu.
Orifice-ΔH: The current dry gas meter ΔH, orifice
pressure differential, measured by the venturi-
style orifice tube fitted at the exit of the DGM. The
averaging (or damping) of this value can be
adjusted in the console menu.
The totalized DGM volume. This value can DGM:
be reset by holding the Down button for 3
seconds.
Fig. 3 User Interface
- Press once to select and enter a menu option (only available while in the Menu)
- Press and hold for 3 seconds to zero the timer to 0:00.0 (only available on the main screen)
- Press once to start or stop the timer (only available while on the main screen)
- Press once to return to the previous screen (only available while in the Menu)
- Press once to move upward through home screens
- Press once to move upward through menu options (only available while in the Menu)
- Press and hold for 3 seconds to enter the console’s Menu (only available while on the main
screen)
- Press once to move downward through home screens
- Press once to move downward through menu options (only available while in the Menu)
- Press and hold for 3 seconds to reset the digital DGM reading to zero (only available on the
main screen)
3.0 Console Operation
3.1 User Control Overview
3.1.1 Home screen overview
3.1.2 Membrane switch pad buttons
Select
Insert
Note
Save
Data
- Press once to enter the Note menu which allows the user to start a leak test or insert a marker
that serves as a note for a particular event
- Press once to instantaneously save a data point to the console’s storage
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***NOTE: To enable or disable the K-Factor/Delta H target feature:
-Power off console
-Press and hold the center 2 buttons ([Select] & [Previous Screen]) while you power up the console
-Repeat to toggle the feature on or off
***To enable K-Factor/Delta H Target Feature See NOTE Below
***To enable K-Factor/Delta H Target Feature See NOTE Below