Heath Consultants Gas Delivery Unit (GDUnet) - Manual (Page 59)

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To reject any preference change and return to factory default
settings, select
.
Note: Previously made changes will also be discarded.
3.6.1.1 Cal Due (Gasurveyor 400, 500 & earlier series only)
normally set as one year from present date (i.e. ‘365’ value in
window).
This preference can be replaced with a time period, in days,
ranging from 0 days to 365 days.
Use
to select number of days required.
3.6.1.2 Service Due (Not applicable to the Gasurveyor 400
series and earlier)
Following servicing of GMI instruments, the service due (Ser
‘24’ value in window).
This preference can be replaced with a time period, in months,
ranging from 0 months to 36 months.
To override this setting, place a
Use
to select number of months required.
3.6.1.3 Stop On Zero Failure
instrument zero failure is disabled.
To override this setting, i.e. enable feature, place a
in the
‘Stop On Zero Failure’ box.
3.6.1.4 Stop On First Span Failure
instrument span failure is disabled.
To override this setting, i.e. enable feature, place a
in the
‘Stop On First Span Failure’ box.