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1-4
HL
OFF
1
OFF
CENTER
4
EBL
OFFSET
7
TARGET
TRAILS
CANCEL
PANEL
BRILL
2
VECTOR
5
CHART
ALIGN
8
CU, TM
RESET
0
MODE
3
LOST
TARGET
6
MARK
9
A/C
AUTO
ENTER
TARGET
CANCEL
TARGET
DATA
ACQ
AUDIO
OFF
RADAR
MENU
PLOT
MENU
NAV
MENU
(3) (2) (1)
(4)
(12)
(5)
(11) (6)
(7),
(16)
(14)
(15)
(8)
(9)
(10)
(13)
Figure 1-3 Control head, key panel
(1) MODE: Selects presentation modes: Head-up, Head-up TB, North-up, Course-up and
True Motion.
(2) PANEL BRILL: Adjusts brightness of the control head panel.
(3) HL OFF: Temporarily erases the heading line.
(4) OFF-CENTER: Activates and deactivates off-centering of the own ship position.
(5) EBL OFFSET: Activates and deactivates off-centering of the EBL origin.
(6) CU, TM RESET: Resets the heading line to 000° in course-up mode; moves own ship
position to 50% (75% for NM-type radar) radius in stern direction in the True Motion mode.
(7) A/C AUTO: Reduces sea clutter at preset level. Permits manual override by A/C SEA
and A/C RAIN controls.
(11) TARGET TRAILS/CANCEL: Erases target trails.
Keys for EPA or ARPA (optional)
(8) ACQ: Acquires a target after selecting it by trackball.
(9) TARGET DATA: Displays acquired target data.
(10) TARGET CANCEL: Terminates plotting of a specified target or all tracked targets.
(12) VECTOR: Selects vector mode; true or relative.
(13) LOST TARGET: Silences the lost target audible alarm and erases the lost target
symbol.
(14) CHART ALIGN: Aligns chart with the radar display. Used with radar map/video plot-
ter.
(15) MARK: Enters/erases mark. Used with radar map/video plotter.
(16) ENTER: Used to save settings on menu screen.
Keys 0-9: Select video plotting symbols. Also used for entering numeric data in any mode
as applicable.