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1-5
Plotting keypad and tuning compartment
ORIGIN
MARK
VECTOR
TRUE/
REL
VECTOR
TIME
RADAR
MENU
ORIGIN
MARK
VECTOR
TRUE/
REL
VECTOR
TIME
E,AUTO
PLOT
MENU
TARGET
DATA
TARGET
BASED
DATA
AUTO
PLOT
TRIAL
LOST
TARGET
HISTORY
MARK
CHART
ALIGN
VIDEO
PLOT
NAV
MENU
1 2 3
654
7 8 9
ENTER
CANCEL
–
9
TUNE
GYRO SET
AUTO
AUTO
MANU
ANTENNA
ON
OFF
DEGAUSS
+
–
HOLD
PM-ON/OFF
ERROR
STBY
Keys for ARPA (FAR)
Keys for RP-25 (option)
ORIGIN MARK
Show and erases the origin mark (a ref-
erence point for range/bearing measure-
ment).
VECTOR TRUE/REL
Selects true or relative vector.
VECTOR TIME
Sets vector length in time.
RADAR MENU
Opens and closes RADAR menus.
E-PLOT, AUTO PLOT MENU
Opens and closes E-Plot and optional
AUTO PLOT menus.
NAV MENU
Opens and closes NAV menu.
Keys 0-9
Select plot symbols. Also used for enter-
ing numeric data.
CANCEL
Terminates plotting of a specified target
or all tracked targets.
ENTER
Used to save settings on menu screen.
Keys for ARPA (optional in R-type)
TARGET DATA
Displays the acquired target data.
TARGET BASED DATA
Own ship's speed is measured relative to
a fixed target.
AUTO PLOT
Activates and deactivates the Auto Plot-
ter.
TRIAL
Initiates a trial maneuver.
LOST TARGET
Silences the lost target audible alarm and
erases the lost target symbol.
HISTORY
Shows and erases past positions of
tracked targets.
Keys for Video Plotter (optional)
MARK Enter/erase marks
CHART ALIGN
Used to align chart data.
VIDEO PLOT
Turns the video plotter on/off.