Filter
Top Products
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
Specications ...........................................................................pg. 22
23
Notes
1. Subject to improvement or modication 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 signicantly increase battery life.
Fisher Research Laboratory does not warrant suitability to
specic use. Fisher Research Laboratory shall in no event be
liable for any direct, incidental, consequential or indirect
damages.
SPECIFICATIONS
Gemini-3manual-.ind2 2 6/13/06 2:52:51 PM