GMI GT series User Manual

6-8
BARHOLE TESTING MODE
USER HANDBOOK
6.5 BARHOLE OPERATION
A summary of the button operation is detailed in the following table:
LH
(INVERT)
RH
(PUMP)
CENTRE
(RANGE)
ACTION
PRESS
INVERT
DISPLAY
START / STOP /
PURGE
VIEW
BACKLIGHT /
FLASHLIGHT
PRESS
and
HOLD
CLEAR FLOW
FAULT
Table. 6.1 Button Operation in Barhole Mode
6.6 DESCRIPTION OF BARHOLE BUTTON
OPERATION
6.6.1 View
To view previous barhole results:
(to a maximum of six (6) barhole tests)
• Press and hold VIEW .
6.6.2 Lights
To switch ON the backlight:
• Press and hold the Centre button .
To switch ON the ashlight:
• Press and hold the Centre button again.
The backlight and ashlight are both timed to switch OFF after one
minute. Both can be switched OFF by a third press and hold the
Centre button .

GMI GT series Specifications

General

Brand	GMI
Model	GT series
Category	Measuring Instruments
Language	English