
3-8
USER HANDBOOK
If overdue but within the extended period, the
screen, shown in Fig. 3.11, is displayed.
Fig. 3.11 Calibration Overdue
The user must acknowledge that Calibration has
expired.
Note: The extended period can be set from 1 to
31 days
To accept extended period option:
Press and hold YES and the instrument warm-
up continues.
Note: When the extended period option expires,
the user will be forced to switch the
instrument OFF.
To reject extended period option:
Press and hold NO . The screen, shown in
Fig. 3.12, is displayed.
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