Heath Consultants GT Series - Manual (Page 82)

7-6
USER HANDBOOK
7.5 CO BUTTON OPERATION
A summary of the button operation is detailed in Table 7.1:
LH
(INVERT)
RH
(PUMP)
CENTRE
(RANGE)
ACTION
PRESS
INVERT
DISPLAY
MANUAL
LOG
BACKLIGHT /
FLASHLIGHT
PUMP
ON / OFF
CLEAR FLOW
FAULT
ZERO
PRESS
and
HOLD
Table. 7.1 Button Operation in CO Mode
7.6 DESCRIPTION OF CO BUTTON OPERATION
7.6.1 Lights
To switch ON the backlight:
• Press and hold the Centre button .
To switch ON the flashlight:
• Press and hold the Centre button again.
The backlight and flashlight are both timed to switch OFF
after two minutes. Both can be switched OFF by a third
press and hold the Centre button .