2101510 Rev. AG
Page 5–9
2)
Gain access to digital controller assembly by loosening the countersunk hex
socket locking set screw in the front end cap using a 1/16” hex wrench and then
unscrewing the end cap.
3)
Gain access to rear termination panel on the NGC by loosening the countersunk
hex socket locking set screw in the rear end cap using a 1/16” hex wrench and
then unscrewing the end cap.
4)
Unplug the lithium battery connector from the J5 receptacle on the digital
controller board (see
5)
Push the
Reset
button located on the termination panel located in the rear of the
enclosure.
6)
Initially, the Boot Loader screen will appear on front display.
7)
When the Navigation screen appears, restore the lithium battery connection on
the digital controller board.
Figure 5-4 Digital Controller Complete Assembly
5.8 Restore Factory Defaults
Occasionally, it may be necessary to restore factory defaults. If critical
configuration data is accidentally changed or erroneous results have been
produced, the unit may require a reset to factory defaults. Inadvertently changing
setup data, including critical local communication protocols settings, may require
the user to revert all setup information (configuration data) to factory settings. This
includes the following items:
•
Communication port settings
•
Calibration gas concentrations
•
Instantiated applications
•
NGC setup information
•
Start-up wizard re-initialized
•
Electronic pressure settings
•
All application parameters including display changes
A
B
B
