Zoom (X2); Hide/Display Range Rings (Hl Off) - JRC JMA-932B-SA User Manual

3.4.9

Zoom (x2)

This function doubles the size of radar video near a specified position.
Note: If the range is 0.125 NM, this function is not available.
Procedures 1
2
Using the cross cursor mark as reference, the zoom function doubles the size of a radar video
with the midpoint between the cursor mark and own ship's position being set to the center of
radar display.
Own Ship's Position before
Cancellation 1

3.4.10 Hide/Display Range Rings (HL Off)

Procedures 1
Left-click the x2
The zoom mode is selected.
Subsequently, put the cross cursor mark on a location you want to zoom
into, and press the left key of the trackball.
The zoom is set.
HL
Zooming position
Left-click the x2
The zoom mode is cancelled, and changed to the normal display.
Press the [DATA OFF] key. Alternatively, Left-click the
located at the lower right of the display.
The ship's heading line (HL) is hidden while the [RR/HL] key is held down.
The ship's heading line that indicates the course of own ship is always shown on the radar
display. The heading line is hidden while the [RR/HL] key is held down, so the targets on
the heading line can be easily observed.
* Also "HL OFF" button operation on control panel can chang for hide/display of the
ship's heading line.
button located at the lower left of the display.
Cursor mark
Own ship's
position
Own Ship's Position after
Zooming position
button located at the lower left of the display.
3-33
HL
HL Off
Center of
radar display
button