Air Testing in the "AUTO NOTCH" Mode:
The "AUTO NOTCH" will automatically eliminate most pull-tabs while still detecting nickels,
silver, and copper coins. It's very similar to a camera set at automatic exposure. No
adjustment is necessary. This mode of operation is normally used when coin-shooting,
especially in trashy areas where the pull-tab medium tones would otherwise constantly go
off.
Quick Draw _ Press the NOTCH touchpad on top of the control box. The mode indicator
will now have an arrow under "AUTO NOTCH".
Sharp Shooter _ Press the AUTO NOTCH touchpad on top of the control box. The mode
indicator will now have an arrow under "NOTCH".
Big Bud Select 220-D _ Turn the On/Off mode switch to the "AUTO NOTCH" position.
Make sure the toggle switch is in the "DISC" left position-Again, be careful that the Blanker
toggle switch on the left side of the control box is in the middle position; otherwise, you will
not be able to air test anything under 2-4 inches.
Other Bounty Hunters _ The same instructions under the Select 220-D applies. Be careful
that the Blanker is turned off-follow your operations manual to determine if your blanker is
set in the off position.
Settings: The Disc/Notch control will now have effect as an Auto Notch Width Window-The
Auto Notch Width control is a new feature introduced by Bounty Hunter; The Quick Draw,
Sharp Shooter, Select 220-D, and the Big Bud XL are the models that offer this particular
feature. To start off the air test for these units, turn the Disc/Notch Width control completely
counterclockwise. On any older model Bounty Hunter, the Disc/Notch control will have no
effect on the unit when operating in "AUTO NOTCH" so no setting is required.
Sensitivity: Adjust it around 3/4's of a turn clockwise.
Slowly sweep the pull-tab over the coil to determine if the detector has eliminated it. Now
sweep the nickel slowly to make sure that it is still emitting a low tone. All silver, copper, and
brass items will emit a high tone. The iron should still be completely rejected.
We have now completed air testing in all three of the Discrimination modes. You should
have a good idea on how your metal detector is reacting to different types of metal. Iron has
been rejected in all three of the Discrimination modes. Our next air test entails utilizing the
ALL METALS mode of operation.
Air Testing in the All Metals Mode:
Before air testing in the ALL METALS mode, we need to first consider what types of
application would apply when operating in the ALL METALS mode.
1. Relic Hunting
Because many relics are made of iron, it's important when relic hunting to operate in the ALL
METALS mode. This will guarantee detection of all possible iron relics.
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