Lowrance LRA-1000, Инструкция по эксплуатации

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Radar Range selected (left). List of radar ranges (right).
Tip:
Once you are comfortable with the various radar range options, you
can easily switch ranges by pressing the
ZIN
or
ZOUT
keys.
Radar Echo Expansion
The Radar Echo Expansion feature will make weak signals more visible
on the display by lengthening radar echoes.
To turn Radar Echo Expansion On/Off:
1. From the radar page, press
MENU
, highlight
R
ADAR
E
CHO
E
XPANSION
and
press
ENT
to turn it on (check) or turn it off (uncheck). Press
EXIT
to
clear the radar menu. Radar Echo Expansion is good for seeing weak
echo returns — like birds — at a distance.
Remember, when Echo Expansion is on, all signals on the display will
be enlarged, including clutter.
Echo Trail Interval
The Echo Trail Interval feature displays an on-screen history (trail) of
the movements of all radar targets.
To adjust Echo Trail Interval
1. From the radar page, press
MENU
, select
E
CHO
T
RAIL
I
NTERVAL
and press
ENT
, which will launch the Echo Trail Interval menu.
2. The Echo Trail Interval menu will display a series of intervals with
options ranging from Continuous to Off. Use
↑ ↓
to highlight the de-
sired interval and press
ENT
. Press
EXIT
to close the menu.
NOTE:
This feature is best used in open water or when your vessel is sta-
tionary and you are tracking a moving target. If Echo Trail Interval
is on and your vessel is moving, the display will be crowded with
trails for every target, including stationary targets, like lighthouses
and land.