5
SECTION
II:
OPERATING
CONTROLS
ON
/
Volume
(
):
To
turn
the
unit
on,
push
this
button.
Upon
turn
on,
the
volume
defaults
to
HIGH.
Pushing
the
button
a
second
time
changes
the
volume
to
MEDIUM.
Pushing
the
button
a
third
time
MUTES
the
volume.
Additional
pushes
of
this
button
cycle
the
volume
through
HIGH
‐
MEDIUM
‐
MUTE.
OFF:
To
turn
the
unit
off,
push
this
button.
GAIN
(
):
The
sensitivity
of
the
unit
can
be
increased
(to
detect
smaller
objects
at
greater
depths)
or
decreased
(to
detect
larger
objects
at
smaller
depths)
by
adjusting
the
gain
up
or
down
pushing
the
UP
or
DOWN
arrow
buttons.
Figure
3:
GA
‐
92XTd™
Face
Plate
Summary of Contents for GA-92 XTd
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