The Fisher F4 metal detector was introduced in 2007 and discontinued in 2018. The F4 is a 5.9 kHz VLF metal detector aimed primarily at coin, jewelry, and relic detecting.
"The F4 is an easy-to-use deep seeking metal detector. It handles mineralized soil conditions with an 11”DD Searchcoil and Ground Balance control. Easily switch between All Metal, Discrimination and Pinpoint Modes with onetouch operation while the LCD display continually shows Notch and Discrimination settings. The F4 also has a four-tone Audio ID system. Professional features at an affordable price!" Source: Fisher 2014 catalog
Fisher F4 metal detector
Fisher F4 control panel
- Deep Seeking All Metal Mode with Manual Ground Balance
- 11 Visual Target-ID Categories
- Numeric 0-99 Target-ID Readout
- Target-ID Confidence Bar Graph
- One-Touch Notch
- One-Touch Pinpoint with Numeric Depth Readout
- Threshold, Sensitivity and Discrimination Adjustments
- 4 Tone Audio ID
- 1/4” (6.3 mm) Headphone Jack
- Uses two 9V Alkaline batteries
- Standard with 11” (28 cm) DD Elliptical Open Waterproof Searchcoil
- 5.9 kHz Operating Frequency
- Weight: 2.9 lbs. (1.3 kg)
- 5 Year Warranty
Official Fisher F4 Product Page
First Texas (Fisher) Metal Detector Forum
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