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OWNER’S MANUAL MODEL GC-1023 Please read before using this equipment Metal Detector...
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With your GC-1023 metal detector, you can hunt for coins, relics, jewelry, gold, and silver just about anywhere, including lawns, snows, mountains and etc. The detector is versatile and easy to use. MODES To search for all kinds of metal object. In this mode, the ALL METAL unit comes with auto ground balance.
ASSEMBLING THE DETECTOR Assembling your detector is easy and requires no special tools. Just follow these steps: Insert the latch on the liner into the assembly hole on the bottom of the control box. Then slightly push the control box in the direction of IN on the handle to fix the latch in place.
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Press the silver button on the upper end of the lower stem, and slide the lower stem into the upper stem. Adjust the stem to a length that you feel comfortable when you stand upright with the detector in your hand, and the search coil is level with the ground with your arm relaxed at your side.
INSTALLING THE BATTERIES Check the power switch on the front panel to make sure it is in the “OFF” position. Slide the left and right battery covers off in the direction of the arrow. Place two 9V batteries into the battery compartment matching the polarity symbols (+ and -) marked inside.
USING HEADPHONES Insert the stereo headphones’ 3.5mm plug into the PHONE jack. The internal speaker disconnects at this time. Set the volume to desired level. (This unit does not have volume control, so we suggest to use the stereo headphone with volume control. ) Caution: To protect your hearing, set the volume to the lowest setting before you ...
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SENS--- sensitivity control and also used as power switch. Fully counter-clockwise rotate the switch to OFF to turn off the power. Rotate it clockwise away from OFF to turn on the power. When you rotate the SENS from 0 to 10, the sensitivity is gradually increased. 0 is the lowest position for SENS;...
OPERATION Your GC-1023 has four operation modes: DISC,TONE ,ALL METAL and PINPOINT. DISC, TONE and ALL METAL are motion modes. You have to move the coil to search for target. While PINPOINT is a non-motion mode.
DISC—in this mode, unit discriminates the metal type with different tones, say high or silence. Set the DISC mode switch to “0”. Slowly rotate the control clockwise to high position to reject objects you don’t want. At different DISC position, unit can reject different undesired objects. When DISC/TONE is set to 0, unit will respond to any metal object with a high tone;...
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Indoor Testing and Use 1. Rotate SENS control clockwise away from OFF to turn on the detector. 2. Rotate SENS control further clockwise to adjust the level of sensitivity. Normally you can sent the control to about 3:00pm. Reduce sensitivity in case of interference.
Outdoor Testing and Use Follow the steps 1-4 described in Indoor Testing and Use. Find an area outside where there is no metal. Place a sample of the material you want the detector to find (such as a gold ring or a coin) on the ground. Hold the search coil level to the ground about 1~2 inches above the surface, slowly move the search coil over the area where you placed the sample, sweeping the search coil in a side-to-side motion.
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A reference of DISC/TONE setting in DISC mode Setting of DISC/TONE Metal Eliminated Near 11:00 Iron Near 12:00 Nickel coin(5¢), pull tab Near 14:00 Zinc coin(1¢ 87 version) Near 16:00 Copper coin (10¢,1¢ 76 version) Step 2: a. Set the mode toggle to TONE. b.
Using of PINPOINT To find the exact location of target, you can use PINPOINT mode. 1. Set mode toggle to ALL METAL. Hold down the PINPOINT button. Sweep the search coil over the sound area and release the button when you hear a sound . After about 1~2 seconds, hold down the red(pinpoint) button again, sweep the search coil again, keeping the same distance of search coil, sound disappears.
Factors That Affect The Detecting It’s difficult to have an accurate detecting result. Sometimes the detecting may be restricted by the following factors: The angle of the target buried in the soil. The depth of the target. The level of oxidization of the target. ...
CARE AND MAINTENANCE Your metal detector is an example of superior design and craftsmanship. The following suggestions will help you care for your metal detector so you can enjoy it for years. Handle the detector gently and carefully. Dropping it can damage circuit boards and cases and can cause the detector to work improperly.
Troubleshooting Guide Problem Reason Suggestion 1.The detector may receive The detector interference and false signal from 1.Change searching place displays or sounds broadcast antenna and other 2.Wait for some time to without detecting electronic lines check again any target 2.The humidity of environment may be extremely high 1.Sensitivity set too high/ environmental electromagnetic...
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