3-7
OPERATING PROCEDUREUSER HANDBOOK
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:
Fig. 3.15 Switch OFF
Fig. 3.16 Calibration Due Date
• Press and hold NO .
The screen, shown in Fig.
3.15, is displayed.
• Press and hold both the LH button and the RH button
simultaneously to proceed with the switch-off sequence.
5. Cal Due Date message is displayed with user shut-down
if overdue.
Calibration due date is
displayed, as shown in Fig.
3.16.
The screen, shown in Fig.
3.17, is displayed when the
Calibration date has expired.
i.e. overdue.
Fig. 3.17 Switch OFF