User Preferences; Troubleshooting - Minelab GPX-4000 Quick Start Manual

80

User Preferences

Main Menu: Range:
Volume Limit 1 to 40
Audio Tone 1 to 100
Signal Peak 1 to 20
Track Speed Slow
Medium
Fast
GB Type General
Specific
Sensitive Extra
Smooth
Iron Reject Off (All Metal)
1 to 30
Battery Volts -
Manual Tune 0 to 255
Mode Edit:
Audio Quiet
Normal
Boost
Deep
Gain 1 to 15
Motion Very Slow
Slow
Medium
Fast
Response Normal,
Inverted
User Preferences:
-
-
General: Patch: Deep:

Troubleshooting

No sound •
Check that the detector is on (battery, power
cable, connections and LCD)
•
Turn the Threshold control fully clockwise
•
Turn the Volume Limit to maximum (40)
•
Check that the headphones are plugged in
•
Try using a different set of headphones or a
different battery
Threshold but •
Try testing different coils with a known target
no target signal
Random noise
•
Ground Balance again
•
Retune using the Auto Tune button
•
Set the Coil/Rx switch to Cancel
•
Reduce Gain
•
Move away from other detectors working nearby
•
Move away from thunderstorm build-up
Battery will not charge •
Check that there is power to the accessories
socket using vehicle charger
•
Check the fuse in the 12V charger plug (M205-5A)
•
Check the battery LED patterns
Battery not holding charge •
Try an alternative charger adaptor
•
Change the battery
'Coil Overcurrent' screen
•
Turn the detector off, wait for a few seconds
appears
before turning it back on again
81
(pg. 20)