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technical specifications
page 44
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6 user info
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GP 3500
page 44
The GP 3500
Length
Maximum
1300mm
Minimum
1100mm
Weight
Complete with 11" coil
2400g
(excluding battery)
Configuration
Shaftmount
Transmission
Bi-level Pulse Induction
Technology
Dual Voltage MPS Technology
Ground Rejection
Automatic ground balance
Search Mode
Motion detector
Controls
On/Off - Threshold
Pot w/ switch
Signal
1 turn control
Tone
1 turn control
Volume
1 turn control
Boost ( shallow/N/deep)
3 pos. Switch
Soil ( sens/N/salt)
3 pos. Switch
Tune (auto)
Push switch
Tune (manual)
Digital pot
Iron Discriminate (All Metal/Disc)
Pot w/ switch
Coil ( DoubleD/M/Cancel))
3 pos. switch
Track Speed ( Fast/M/Slow)
3 pos. switch
Balance (Fixed/Tracking)
2 pos. switch
Audio Output
6.35mm (1/4") headphone socket
Headphones
Supplied
Coil (standard)
11" Double D
Coil (accessory)
18" Double D or 18", 11" and 8" Mono
Battery
6VDC 12Ahr sealed lead acid 14-15hrs
Patents Apply
NOTE:
In the interest of product improvement, Minelab reserves the right to
make changes without notice.
troubleshooting
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6 user info
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page 45
GP 3500
page 45
GP 3500
www.minelab.com
If you need to return your detector to Minelab for service, please
supply as many details as possible about the fault. This will enable our
service engineers to rectify the fault quickly and efficiently.
Return the detector in a cardboard box for protection along with a copy of
the Service Repair Form supplied in this manual.
Please supply your name, address and phone number along with purchase
date and serial number when sending detector parts for repair.
Do not open the control box as this will void your warranty.
Use the following table to check for suggested solutions to problems.
Fault
Suggestion
No sound
Turn
Threshold
control fully clockwise.
Turn
Volume
control clockwise.
Check power cable and connections.
Check headphones.
Check battery.
Threshold but no target signal
Try testing different coils.
Random noises
Check for other detectors interfering.
Retune using
Tuning
button.
Charge the battery.
Set Coil switch to
Cancel
.
Ground balance again.
Check for thunderstorm build-up.
Battery will not charge
Check for power to cigarette lighter socket
using vehicle charger
in vehicle.
Check 10 amp fuse in charger plug.
Battery not holding charge
Try alternative charger.
Check power cable.
Very noisy threshold
Check for interference and re-tune.
Try detecting in a different location.
Set Coil switch to
Cancel
.