technical specifications
page 44
l 6 user info l
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
l 6 user info l
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.
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