47
Chapter 5 XLT
®
Pro Options
TRANSMIT BOOST
ON
OFF
TO CHANGE PRESS
ENTER
(Signal, Transmit, Receive))
27. Transmit Boost
Selects the intensity of the signal transmitted from
the loop.
There is a transmit and a receive coil within the
loop housing. If too much signal is transmitted for
the ground conditions (magnetic and/or conductive
ground), the signal will saturate the receiver and
thus eliminate good ground penetration (depth). By
turning OFF the TRANSMIT BOOST, ground
penetration in most cases will return. The receive
signal can then be optimized using PREAMP
GAIN, to provide the best depth possible in such
extreme ground conditions.
When "OVERLOAD" regularly appears on the
display, there are either very large strong metal
targets present or the ground mineralization is such
that the detector cannot properly operate. Sweeping
the loop higher above the specific OVERLOAD
response will identify a target. When OVERLOAD
appears on the display consistently due to ground
minerals, selection of TRANSMIT BOOST OFF
will improve depth and stability. During OVER-
LOAD the detector is not capable of responding to
metal targets. The OFF setting in most cases will
resolve such difficulties and provide detection
capabilities in extreme conditions.
Every time the TRANSMIT BOOST is altered, the
detector needs to be Air/Ground Balanced. Once in
a search mode, simply press ENTER to Air/Ground
Balance.
Tips - Use ON unless
"OVERLOAD" is often
noted on the display, in
which case the OFF
setting should be
selected. Make sure the
OVERLOAD indication
is not caused by a large
metal target, that it is
caused by the ground
minerals.
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