Heath Consultants GT Series - Manual (Page 28)

3-6
USER HANDBOOK
3. Cal Due Date message is displayed with user
acknowledge if overdue (Default).
Calibration due date is displayed as shown in Fig.
3.7.
Fig. 3.7 Calibration Due Date
The screen, shown in Fig. 3.8, is displayed when
the Calibration date has expired. i.e. overdue.
Fig. 3.8 Calibration Overdue
The user must acknowledge that Calibration has
expired.
To continue:
• Press and hold YES for instrument warm-up
to continue.