82 • Bar Hole Testing GX-2012 Operator’s Manual
8. If other bar holes will be tested, proceed to the next bar hole and repeat
steps 4 - 7.
9. To cancel a bar hole measurement or fresh air purge that is in progress,
press and release the RESET SILENCE button.
10. To exit Bar Hole Mode and return to the Mode Select Screen at any time,
press and hold the (SHIFT)T button for 5 seconds.
Turning Off the GX-2012, Bar Hole Mode
1. Press and hold the POWER ENTER button.
2. The unit will initiate a bar hole measurement. Keep holding the POWER
ENTER button. The buzzer will pulse for about three seconds and TURN
OFF will appear at the bottom of the screen.
3. Release the button when TURN OFF disappears.
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