Contents

About Your Gemini-3	pg. 3
Basic Theory of Operation	pg. 4
Depth	pg. 5
Transmitter	pg. 6
Receiver	pg. 7
Searching	pg. 8
Narrow Scan Inductive Search	pg. 8
Set Up -Narrow Scan Inductive Search	pg. 8
Tuning -Narrow Scan Inductive Search	pg. 9
Operation -Narrow Scan Inductive Search	pg. 10
Wide Scan Inductive Search	pg. 12
Set Up -Wide Scan Inductive Search	pg. 12
Tuning -Wide Scan Inductive Search	pg. 12
Operation -Wide Scan Inductive Search	pg. 13
Tracing	pg. 14
Inductive Tracing	pg. 14
Set Up -Inductive Trace	pg. 14
Tuning -Inductive Trace	pg. 14
Operation -Inductive Trace	pg. 15
Conductive Trace	pg. 15
Set Up -Conductive Trace	pg. 15
Tuning -Conductive Trace	pg. 16
Operation -Conductive Trace	pg. 16
Prospecting Tips	pg. 17
Mapping	pg. 17
Locating Placer Deposits	pg. 17
Sources of Error	pg. 18
Battery Replacement	pg. 19
Treasure Hunters’ Code Of Ethics	pg. 20
Where To Use Your Metal Detector In The U.S	pg. 21
Specifications	pg. 22

Gemini-3manual-.ind2 2

SPECIFICATIONS

Notes

1.Subject to improvement or modification without notice.

2.Approximate.

3.Voltage Controlled Oscillator. Volume and pitch

both increase as target is approached for easier, more accurate pinpointing.

4.With optional ground plate assembly.

5.Optional stereo/mono headphones.

6.Use of headphones will significantly increase battery life.

Fisher Research Laboratory does not warrant suitability to specific use. Fisher Research Laboratory shall in no event be liable for any direct, incidental, consequential or indirect damages.

6/13/06 2:52:51 PM

GEMINI-3 specifications

The Fisher GEMINI-3 is a sophisticated metal detector designed for both hobbyists and professionals seeking high-performance in treasure hunting. Launched by Fisher Research Labs, this model offers a myriad of features that make it one of the most popular detectors on the market.

One of the standout characteristics of the GEMINI-3 is its dual search capabilities. The detector is equipped with both a 10-inch coil and a 5-inch coil, allowing users to operate in various terrains and conditions. The larger coil is perfect for searching wide areas, while the smaller coil helps in pinpointing targets in more cluttered sites.

The GEMINI-3 utilizes advanced VLF (Very Low Frequency) technology, which provides enhanced sensitivity to both ferrous and non-ferrous metals, helping users to distinguish between valuable items and common trash. This technology significantly reduces the chances of missing hidden treasures beneath the surface.

Another impressive feature is the detector's digital target identification system, which provides users with a numerical readout corresponding to the type of metal detected. This identification system enhances the hunting experience, allowing users to make informed decisions about whether to dig or move on to the next target. Additionally, the GEMINI-3 boasts multiple discrimination modes, enabling operators to filter out unwanted items like iron and foil while honing in on more valuable finds.

The GEMINI-3 is built for durability and usability. The control panel is user-friendly and designed to facilitate quick adjustments in the field. The lightweight construction of the detector ensures comfort during prolonged use, making it an ideal choice for long treasure-hunting sessions.

Moreover, the detector is powered by a rechargeable battery, providing extended use without the inconvenience of constantly changing batteries. The impressive battery life allows treasure hunters to focus more on their quest and less on equipment management.

In conclusion, the Fisher GEMINI-3 combines advanced features with user-friendly design, making it a top choice for metal detection enthusiasts. Its versatility, technology, and practical characteristics empower treasure seekers to explore various environments efficiently, unearthing hidden treasures with ease.

Fisher GEMINI-3 warranty Contents

GEMINI-3 specifications