Heath Consultants GT Series - Manual (Page 35)

3-13
OPERATING PROCEDURE
To switch OFF:
•
Press and hold NO . The screen, shown in
Fig. 3.19, is displayed.
Fig. 3.19 Switch OFF
• Press and hold both the LH button and the RH
button simultaneously to proceed with the
switch-off sequence.
4. Service Due Date message is displayed with
user acknowledge for extended period
option, if overdue.
Service Due Date message is displayed, as shown
in Fig. 3.20.
Fig. 3.20 Service Due Date