Gas Measurement Instruments GT Series User Manual
Quick opera ting instructions
QUICK OPERA
TING INSTRUCTIONS
(*5) Clear Flow Fault / Reset Pump: Press RH button
to reset
FOR INSTRUMENT STARTUP AND SHUTDOWN - SEE OVER
(*1) Max / Live or Min / Max: Press and hold LH button
to display
*Maximum or **Minimum / Maximum readings (see note) since current mode
was selected. Press and hold again to return display to live reading.
Note: Only available in *Leak Test Mode and **Confined Space Mode.
(*2) Acknowledge Alarm: Press and hold LH button
to acknowledge
alarm.
(*3) Backlight / Flashlight: Press and hold Centre
button to switch
backlight ON. Press and hold again to switch flashlight ON. (Flashlight not
available in Pressure Mode and Bump Test mode). The backlight and flashlight
are both timed to switch OFF after two minutes. Press and hold a third time
to switch both backlight and flashlight OFF.
(*4) Zero: Press and hold RH button
to zero displayed range.
Part Number: 67130 Issue 4 21/01/08
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Ticker (Geiger) - PPM Range: Press and hold UP
and DOWN
buttons simultaneously to enable / disable audible Ticker (Geiger), as
follows:
Press and hold both buttons - to enable visual only.
Press and hold both buttons again - to enable both audible and visual.
(*7) View Barhole Results: Press and hold LH button
to view this
and previous barhole results to a maximum of six barhole tests.
pump once flow blockage has been cleared.
(*6) Clear Flow Fault (Confined Space Mode): Press and hold RH
button
to acknowledge flow fault once flow blockage has been cleared.
67130_04.pmd
1/23/2008, 9:39 AM
1