DISC OR NOTCH?

TWP700 · Dec 14, 2012

On the delta 4000 it has Disc. and notch modes, whats the reason for this? As they seem to do the same thing. At least with this MD you can't fine tune disc. with a knob, you just eliminate an entire target or not, which is what the notch does as well.
What am I missing and does one function better than the other?

CarolinaDigger · Jan 15, 2013

Discrimination---Use + and - to increase or decrease DISCRIMINATION level.
Each time you press + , a target category is eliminated from detection. Elimination occurs from left to right. When a category description (for example “IRON”) disappears from the display, then targets classified in that category will not be detected.
Pressing - reverses the discrimination process. With each press of -
, a category description will reappear, indicating that targets classified in that category will again be detected.
Discrimination is a cumulative elimination system. 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. NOTCH
Use + and - to notch target categories IN or OUT while the NOTCH line is highlighted.
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 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.
Only one target category at a time can be selected for notching. To notch multiple categories in or out, wait for the icon to stop flashing and then press + or -
again to select the next notch.
Each time you press MENU to select notch, followed by + , the notch program will begin by changing the status of the IRON segment At any time, the display screen indicates the current category notches or discrim- ination settings. Any category whose description is not visible will not be detected.
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.

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Taken directly from the Teknetics Delta 4000 Manual

DISC OR NOTCH?

TWP700

Jr. Member

Amazon Forum Fav 👍

CarolinaDigger

Tenderfoot

G-2 keeps inpressing!

T2se. SEF coil,which size would you use?

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