2 – 5
2.1
#3
[DATA READ] key
Displays the target numerical values or sets or clears the target number using the electronic plot
(EPA) and ARPA (ATA).
#4
[ACQ] switch
Manually acquires the target when the electronic plot (EPA) or ARPA (ATA) is used.
#5
[ ] (originating point) key
Measures the distance between two points with the end point switch (in the radar mode).
Sets the simple course between two points with the end point switch (in the composite and plotter
modes).
#6
[ ] (end point) key
Measures the distance between two points with the originating point switch (in the radar mode).
Sets the simple course between two points with the originating point switch (in the composite and
plotter modes).
#7
[PULSE WIDTH] key
Switches the transmission pulse length (short, medium and long).
#8
[VECT / TRACK] key
"In the merchant ship mode"
Switches the vector display between true and relative.
"In the fishing ship mode"
Opens a menu for setting the other ship track color, storing interval, memory clear, etc. when the
ARPA function is added.
#9
[CANCEL TARGET] key
Cancels the target symbol and vector which are being tracked by the electronic plot (EPA) or ARPA
(ATA) and stops the tracking.
$0
[ ] (reverse) key
Turns the cursor display on and off and fixes it.
Used for the numerical data display in the electronic plot (EPA) and ARPA (ATA).
$1
[OWN TRACK] key
Enables the [COLOR] conrol to set the own ship track color.
Opens the menu for setting the own ship track storing interval, memory clear, etc.
$2
[MARK] key
Enables the [COLOR] conrol to set the mark and line colors.
$3
[VECT −/ DEST] key
In the merchant ship mode
Decreases the vector length when the electronic plot (EPA) or ARPA (ATA) is used.
In the fishing ship mode
Sets the destination and displays the distance to it in the form of numerical data.