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2. Press the OFF-CENTER key on the front panel.
3. To move the own ship mark back to the center of the screen, press
the OFF-CENTER key again.
Finding Fish School Center
When you want to find the center depth of a fish school, use the auto
tilt function which automatically scans the tilt angle within the se-
lected width.
Procedure
1. Call up the scan menu, select the menu item “AUTO TLT WDTH”
and then choose a tilting width. The center tilt angle of the scan-
ning is set by the TILT lever.
Both center and current tilt angles are displayed along with the range
data at the upper right corner on the screen.
Angle set
by TILT lever
Range
Angle set by TILT lever
Present tilt angle
R 800
T 8°
(10° )
Registering F1/F2 (function) key and Recalling
Function keys provide user defined sonar settings by one key opera-
tion.
Default setting
These keys are preset at factory for one key operation as follows;
TX OUTPUT
PULSELENGTH
TX CYCLE
TVG NEAR
TVG FAR
HOR BEAM ANGLE
VER BEAM ANGLE
RES COL CURVE
COL EMPHASIS
8
7
10
6
6
NARROW
WIDE
3
2
F1 : For detection of near range
(Factory setting)
TX OUTPUT
PULSELENGTH
TX CYCLE
TVG NEAR
TVG FAR
HOR BEAM ANGLE
VER BEAM ANGLE
RES COL CURVE
COL EMPHASIS
10
10
10
5
8
NARROW
NARROW
LINEAR
4
F2 : For detection of far range
Three magnetic function cards are supplied for indication of function
settings. Two of these cards are inscribed with the factory setting of
F1 and F2. The other card is blank for recording user settings. You
can attach the card on the main panel for reference. See page 10.