Raymarine DSM300 - Manual (Page 58)

58 DSM300 Operation with PLUS Series Displays
➤
To display the A-Scope image:
1. Press the A-SCOPE soft key. The display is split vertically, with the A-Scope
image in the right hand window and the scrolling bottom image in the left
hand window.
2. Press the A-SCOPE MODE soft key to select one of the three modes for
A-Scope, as demonstrated in Figure 4-9 :
i.
Mode 1, in which the A-Scope image is angled outward as the signal
width (indicated with dotted lines) increases with depth.
ii. Mode 2, in which the image expands to take up the entire A-Scope win-
dow, providing greater resolution.
iii. Mode 3, in which only the left hand side of the image displayed in Mode 2
expands to the entire A-Scope window. This mode provides the greatest
resolution.
3. Press ENTER to accept your selection.
Note: If the Bottom Lock or Zoom image is displayed, selecting A-Scope automatically
switches OFF Bottom Lock and Zoom.
If you have split frequency selected, the A-Scope image is displayed in both frequency win-
dows.
➤
To remove the A-Scope image:
1. Press the A-SCOPE soft key.
2. Press the A-SCOPE ON OFF soft key to toggle off A-Scope.
3. Press ENTER.
A-SCOPE
A-SCOPE
MODE
1 2 3
A-SCOPE
OFF ON