User manual TEKNETICS DELTA 4000

[. . . ] METAL DETECTOR OWNER'S MANUAL If you do not have prior experience with a metal detector, we strongly recommend that you: 1) Adjust the Sensitivity to a low setting in the event of false signals. Always begin use at a reduced sensitivity level; this device is designed to work "into-the-noise", so expect chatter at high sensitivity. Many household appliances emit electromagnetic energy, which can interfere with the detector. If conducting an indoor demonstration, turn the sensitivity down and keep the search coil away from appliances such as computers, televisions and microwave ovens. [. . . ] Discrimination and All Metals modes have independent sensitivity settings. First highlight the mode, then adjust the sensitivity level for that mode. 11 OPERATION and CONTROLS cont. MENU SELECTIONS continued 2. When a category description (for example "IRON") disappears from the display, then targets classified in that category will not be detected. With each press of , a category description will reappear, indicating that targets classified in that category will again be detected. Targets can be eliminated from left to right on the scale, with each additional press of , resulting in more objects being eliminated from detection. 3. to notch target categories IN or OUT while the NOTCH Whereas the discrimination feature eliminates all categories sequentially from detection, the NOTCH control allows you to selectively include or exclude target categories from detection. With each press of or , the notched category moves across the display screen. As you move the position of the notched category, you are changing the detection status of the selected category. · If a target category was previously eliminated (word not visible) then notching that category will return it to detection. · If a target category was previously retained (word is visible) then notching that category will remove it from detection. To notch multiple or categories in or out, wait for the icon to stop flashing and then press again to select the next notch. Each time you press to select notch, followed by , the notch program will begin by changing the status of the IRON segment 12 OPERATION and CONTROLS cont. MENU SELECTIONS continued NOTCH continued At any time, the display screen indicates the current category notches or discrimination settings. For example, the following settings tell us that: · The nickel, dime, quarter and 50¢ categories will be detected. · All other categories of targets (iron, foil, alum and zinc) will not be detected. 4. For maximum speaker volume, use 1 or 2 tones, as the low and bass tones generate the loudest sounds. Volume can be set while in either the DISCRIMINATION or ALL METALS modes, but only one setting applies to both modes. Volume in the two modes cannot be set independently. 13 OPERATION and CONTROLS cont. MODE SELECTIONS There are three selections under the MODE section of the display. · Press · Press to toggle between DISCRIMINATION and ALL METALS. DISCRIMINATION Mode This mode is the default mode, and requires the searchcoil to be in motion in order to detect and identify targets. In this mode, targets are identified with distinct tones, and are classified in categories at the bottom of the display. A two-digit numerical value, on a scale of 10 to 99, is displayed in the middle of the screen. The depth range of the target is also displayed at the right of the display. [. . . ] SILVER TARGETS: Silver objects will register to the right of the scale, under dime or higher. IRON: All sizes of iron objects will register on the far-left side of the scale. This could indicate a worthless item such as a nail, or a more valuable historic iron relic. ZINC: Newer US pennies (post-1982), and Canadian $1 and $2 coins register here. [. . . ]