User's Manual

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99, and the receiver tuning can be manually adjusted.
(3) After the adjustment is finished, press the "ENT" key to exit from the adjustment
state. If some other function key is pressed, shift to that function will take place.
TUNE
→
Control knob
→
--------------- TUNE •or ENT The adjustment
state is ended.
(tuning adjustment) µ-> --------------- Other function key
Shift to other
functions
Note: Use the "MENU" to return auto-tuning state.
Note: Refer to "5.5.3.4 Adjusting receiver tuning (TUNE)".
5.4.17 Echo expansion (ST)
Expanding the echo to the direction of the distance.
When the "ST" key is pressed, "ST1" is displayed on the left side of the screen and the state
of echo expansion is entered. This changes the picture to display echoes expanding in the
direction of the distance. Two types of echo expansion exist, which are alternated as follows ,
every time this key is pressed.
Note: Refer to "5.5.3.5 Echo expansion (ST)".
ST1
ST2
OFF
Expansion rate ST1 < ST2
Note: The "OFF" state is not displayed on the screen and the "ST2" display disappears.
5.4.18 Displaying locus of target (TRACK)
When the "TRACK" key is pressed, "TK 15SEC" is displayed on the left side of the screen and
track mode is entered. 15S indicates the length of the track, and displays a maximum of 15-
second-long sailing track.
Note: Refer to "5.5.3.6 Displaying locus of target (TRACK)".
Every time this key is pressed, the course length switches as follows.
15 sec 30 sec 1 min 3 min 6 min CONT OFF
Note: The "OFF" state will not displayed on the screen and the "TK xx " display will disappear.
5.4.19 Enlarging selected areas (ZOOM)
The video image centering around the cross cursor is doubled as it is displayed on the
screen.
Press the "ZOOM" key to "ZOOM" ON. A small cross cursor for setting and "SET ZOOM
POINT" are displayed at the screen center and at the bottom respectively, and the magnification
point is to be set. Use cursor keys to move the cross cursor to the point to be magnified, press