Chapter 5 DFX
™
Pro Options
Selects the intensity of the signal received from the
models) is used to promote stability and perfor-
mance. Like a sensitivity control, too much PRE-
AMP GAIN will result in unstable operation and
PREAMP GAIN will have a substantial effect on
For maximum detection depth, fi ne tune the PRE-
AMP GAIN to the highest number setting without
causing OVERLOAD, and/or unstable operation.
More adjustment levels (range) are available than
what may be usable. You may never encounter
an area where maximum PREAMP GAIN can be
used. Electrical interference may make it diffi cult
to receive an Air Balance at high PREAMP GAIN
Selections such as MIXED MODE or AUDIO
DISC OFF may not allow as high a PREAMP
GAIN level as other selections. This is normal as
some of these modes naturally see more targets and
ground, and they may still provide superior per-
formance and depth even with the lower PREAMP
Every time the PREAMP GAIN level is changed,
the detector should be re-ground balanced. Once
in an operating mode, simply press ENTER to re-
increase detection depth.
must be stable to be able
als are present. Settings
from 1 - 4 are available.
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