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3. VERTICAL SCAN MODE
3-11
3.9.2 Deleting all event markers
All event markers can be erased from the screen as follows:
1. Operate the Omnipad to place the cursor outside the display area.
2. Press the [EVENT] key to show the following dialog box. Do the next step within four
seconds; otherwise the dialog box will be erased.
DELETE EVENT MARK?
NO YES
3. Press ► to choose YES and then press the [MENU] key. All event markers are erased
from the screen.
3.10 Depth and Horizontal Range Markers
The depth and horizontal range markers function to measure the horizontal range and
depth to a desired echo.
Note: Depth and horizontal range markers cannot be inscribed on the vertical scan
display when it is in the sub window (Horizontal/vertical scan display). Inscribe the
markers on the horizontal display to show them in the vertical scan display.
1. Operate the Omnipad to place the cursor on the location desired.
2. Press the [R/B] key to display the depth and horizontal range markers. Horizontal
range and depth appear on the screen.
3. To erase the depth and horizontal range markers, place the cursor on the intersecting
point of the depth and horizontal range markers or outside the display and then press
the [R/B] key.
NAV
DATA
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Horizontal range
Depth
Horizontal range
marker
Depth marker
Depth and horizontal range markers