NAVMAN
8120/8084
Installation and Operation Manual
42
Fun depth
Normal fish symbol
Fun fish symbol
Fish arch + depth
23
9-5 Range
Range is the vertical depth displayed on the
Instrument sonar window. For example, if the
range is 100 m, then the sonar window shows
depths between 0 and 100 m. The range is
displayed at the bottom, right corner of a
sonar window.
The Instrument has two range modes:
Auto:
The Instrument adjusts the range
automatically so that the bottom of the
water is always shown at the bottom of
the window. Auto range is recommended
for normal operation.
To set Auto mode:
1 Go to a sonar window (see section 9).
2 Press
MENU
, select
Range
then
Auto.
Manual
: The Instrument does not adjust
the range automatically. If the bottom
depth is below the range, the bottom will
not appear on the window. Manual range
is useful if the bottom depth changes
rapidly, because Auto range will cause the
window to change range frequently.
To set Manual range or to change the
range:
1 Go to a sonar window (see section 9).
2 Either
press to increase range or
press to decrease range
!
WARNING
Use the Auto range when learning to
use the Instrument or when travelling at
speed.
Zoom range and offset
The sonar Zoom and Bottom windows can
show a magnified part of the range (see
sections 9-2 and 9-3).
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