Heath Consultants GT Series - Manual (Page 84)

7-8
USER HANDBOOK
7.6.5 Menu / Off
To re-select the Mode Menu:
• Press and hold both the LH button and the RH
button .
While both buttons are depressed, the instrument
display will step through previous menus, each
displayed for approximately two (2) seconds.
When the menu appears on the screen, release
the buttons, otherwise the instrument will proceed
into the switch OFF process and will switch OFF
after a further three (3) seconds.
7.7 CO ALARMS
There are no alarms in this mode.
7.8 CO LOGGING
Automatic datalogging is active. Timed logs will be taken
every minute (default) or as per configuration. For direct
CO and differential CO, the direct CO reading will be logged.
For the Air Free CO, the calculated reading will be stored.