Heath Consultants GT Series - Manual (Page 93)

9-3
SNIFFER MODE
9.4 SNIFFER BUTTON OPERATION
A summary of the button operation is detailed in Table 9.1:
LH
(INVERT)
RH
(PUMP)
CENTRE
(RANGE)
ACTION
PRESS
INVERT
DISPLAY
BACKLIGHT /
FLASHLIGHT
PUMP
ON / OFF
CLEAR FLOW
FAULT
ZERO
PRESS
and
HOLD
Table 9.1 Button Operation in Sniffer Mode
9.5 DESCRIPTION OF SNIFFER BUTTON
OPERATION
9.5.1 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