16
CONFIGURATION & FIELD CALIBRATION
The user must acknowledge that Service has
expired.
Note: The extended period can be set from 1 to
31 days
To accept extended period option:
Press and hold YES
, as indicated on the
bottom line of the display, 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
as indicated on the bottom
line of the display. The screen, shown in Fig.
1.23, is displayed.
Fig. 1.23 Switch OFF
Press and hold both the LH (INVERT) button
and the RH (PUMP) button simultaneously t o
proceed with the switch-off sequence.
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