Heath Consultants GT Series - Manual (Page 48)

4-6
USER HANDBOOK
Fig. 4.7 Alarm Acknowledge
When CO levels are below alarm concentration, the Centre
button enables return to flammable only. This button
can be pressed at any time to change between Flammable
and Flammable + CO.
4.4 LEAK TEST BUTTON OPERATION
A summary of the button operation is detailed in Table 4.1:
ACTION
PRESS
PRESS
and
HOLD
LH
(INVERT)
FLAM PPM
ZERO
BACKLIGHT /
FLASHLIGHT
ACKNOWLEDGE
ALARM
MAX / LIVE
RANGE
FLAM
FLAM + CO
INVERT
DISPLAY
RH
(PUMP)
CENTRE
(RANGE)
PUMP
ON / OFF
CLEAR FLOW
FAULT
Table. 4.1 Button Operation in Leak Test Mode