|  mage |     |  
  |  Product |   GPX-4500 |  
  |  Application |   Gold Prospecting & Deep Relic |  
  |  Technology |   MPS, DVT & SETA |  
  |  Frequency/Transmission |   Bi-Level, Advanced Pulse Induction |  
  |  Coil (standard) |   11" Round Double-D. |  
  |  Audio Output |   6.35mm (1/4") headphone/speaker jack. |  
  |  Headphones Supplied |   Koss 100 ohm headphones. |  
  |  Visual Display |   LCD screen 64x128 pixels, transflective. |  
  |  Backlight |   Yes with adjustable automatic 'time-out'. |  
  |  USB Connectivity |   - |  
  |  Memory |   Setting changes saved automatically and remain until changed or reset. Factory Presets can be restored on start-up. |  
  |  Depth Indication |   - |  
  |  Detect Modes |   General, Deep & Custom. Custom Modes are: Hi Mineral, Hi Trash, Patch & Test A. |  
  |  Discrimination |   Iron Reject: range 1 to 10 & All Metal. |  
  |  Timings |   Enhance, Normal, Sensitive Smooth, Salt Course, Sensitive Extra & Sharp. |  
  |  Audio tone |   Variable Control 1 to 100. |  
  |  Audio Type |   Quiet, Normal, Deep & Boost. |  
  |  Ground Balance |   Automatic Ground Balance, Fixed & Tracking: Slow, Medium & Fast. |  
  |  Ground Balance Type |   General, Specific & Ground Balance Off. |  
  |  Trash Density |   - |  
  |  Pinpoint |   Quick-Trak button. |  
  |  Sensitivity Adjust |   Rx Gain 1 to 15. |  
  |  Tune / Noise Cancel |   Automatic & Manual 0 to 255. |  
  |  Threshold |   Adjustable turn control. |  
  |  Target Volume Adjust |   Volume Limit 1 to 20. |  
  |  Battery |   Lithium-Ion with built-in amplifier (up to 12 hrs). Supplied with mains and vehicle charger. |  
  |  Low battery alert |   Audio alert. |  
  |  Length |   1100mm - 1300mm (43.3" - 51.2"). |  
  |  Weight |   2.4kg (5.3lbs) (ex. battery). |  
  |  Warranty |   1 years control box & coil. |