3-6
OPERATING PROCEDUREUSER HANDBOOK
The user must acknowledge that Calibration has expired.
To continue:
• Press and hold YES for instrument warm-up to continue.
To switch OFF:
• Press and hold NO .
The screen, shown in Fig.
3.12, is displayed.
Fig. 3.12 Switch OFF
Fig. 3.13 Calibration Due Date
Fig. 3.14 Calibration Overdue
• Press and hold both the LH button and the RH button
simultaneously to proceed with the switch-off sequence.
4. Cal Due Date message is displayed with user acknowledge
for extended period option, if overdue.
Calibration Due Date
message is displayed, as
shown in Fig. 3.13.
If overdue but within the
‘extended period’, the
screen, shown in Fig. 3.14,
is displayed.