Assessments - 3, GPA: 4.3
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(The search coil should be parallel with the ground.) Tighten the knobs just enough to keep the search coil from rotating or wobbling. INSTALLING BATTERIES You need six AA batteries to power your detector. Cautions: ? Use only fresh batteries of the required size and recommended type. ? Do not mix old and new batteries, different types of batteries (standard, alkaline, of rechargeable), or rechargeable batteries of different capacities. Text Box: ADJUSTING THE STEM Follow these steps to adjust the metal detector’s stem. 1. Turn the stem’s lock nut clockwise until it loosens. 2. Lengthen or shorten the stem so when you stand upright with the detector in your hand, the search coil is level with and about 1/2 to 2 inches above the ground with your arm relaxed at your side. 3. Turn the stem’s lock nut counter clockwise to lock it in place. Text Box: ? If you do not plan to use the detector for a week or more, remove the batteries. ? Dispose of old batteries promptly and properly. You can extend battery life by using earphones, which require less power than the built-in speakers. See “Using Earphones” on Page 6. TESTING THE BATTERIES If the detector does not turn on, has weak volume, will not tune properly, or has erratic operation, or drifts, test the battery power. Rotate VOLUME away from OFF and set OPERATE/BATT TEST to BATT TEST. If the pointer on the view meter is between 3 and 6 (green area), the batteries have enough power to operate the detector. If the pointer is not in the green area, replace the batteries. Text Box: 1. If the detector is on, turn VOLUME(on the control housing) to OFF. (The control clicks.) 2. Press on the battery compartment cover and slide the cover off in the direction of the arrow. 3. Insert the batteries into the compartment as indicated by the polarity symbols (+ and -) marked inside the compartment. 4. Replace the cover. Cautions: ? Always remove old or weak batteries; batteries can leak chemicals that can destroy electronic parts. OPERATION Text Box: Your Famous Trails Metal Detector distinguishes between ferrous and nonferrous metals. Ferrous metals contain iron, while non-ferrous metals such as gold, silver, copper, platinum, aluminum, lead, and zinc do not. When the detector senses a metallic object, the meter reading changes and the detector might sound a tone. The actual reaction depends on what metal is detected. PREPARING THE DETECTOR Turning On the Detector Hold the detector in a comfortable position, then rotate VOLUME away from OFF to the desired sound level. Set OPERATE/BATT TEST to OPERATE to detect. Tuning the Detector TUNE fine-tunes the balance between the detector’s receiver and transmitter circuitry to provide consistent pointer and tone indications. Text Box: ing can lead to permanent hearing loss. ? Once you set the volume, do not increase it. Over time, your ears adapt to the volume level, so a volume level that does not cause discomfort might still damage your hearing. Traffic Safety Do not wear earphones while operating your detector near high-traffic areas. Even though some earphones are designed to let you hear some outside sounds when listening at normal volume levels, they still can present a traffic hazard. Text Box: Follow these steps to set TUNE. 1. Rotate VOLUME to the 11 o’clock position. 2. Set DISCRIMINATION to its midpoint. 3. Hold the search coil about 1 foot away from the ground and any metal object, hold down the red button on the handle, and slowly rotate TUNE left and right until the pointer on the view meter rests at or near 0, then release the red button. As you search, you can fine-tune the detector using DISCRIMINATION (see “Fine-Tuning the Detector” on Page 10). Note: Press the red button on the handle at any time during operation to automatically return the pointer to 0. Text Box: USING EARPHONES You can connect a pair of stereo earphones (not supplied) to the detector so you can listen to it privately. Using earphones also saves battery power and makes it easier to identify subtle changes in the sounds you hear, for better detection results. Your local electronics store has a wide selection of earphones. To connect earphones to the detector, insert the earphones’ 1/8-inch plug into the EAR jack on the side of the control housing. Note: The detector’s internal speaker disconnects when you connect earphones. Listening Safely To protect your hearing, follow these guidelines when you use earphones. ? Set the volume to the lowest setting before you begin listening. After you begin listening, adjust the volume to a comfortable level ? Do not listen at extremely high volume levels. Extended high volume listen- Text Box: Search Coil Sweeping Hints: ? Never sweep the search coil as if it were a pendulum. Raising the search coil while sweeping or at the end of a sweep causes false readings. ? Sweep slowly – hurrying makes you miss targets. If the detector detects the material, it sounds a tone and the pointer moves to the type of metal it fou...
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