Lowrance electronic M56 - Manual (Page 54)

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At left, Sonar Page menu with Depth Cursor command selected. At
right, sonar chart with the depth cursor active. The line indicates the
large fish is 40.53 feet deep.
The cursor can be moved to any location on the screen, letting you pin-
point the depth of a target.
1. From the Sonar Page, press MENU |
↓ to
D EPTH C URSOR
| ENT .
2. The depth cursor appears. Press
↓ to lower the cursor line; press ↑ to
raise the cursor line.
3. To clear the depth cursor, press EXIT .
Depth Range - Automatic
When turned on for the first time, the bottom signal is automatically
placed in the lower half of the screen. This is called Auto Ranging and
is part of the automatic function. However, depending upon the bottom
depth and the current range, you can change the range to a different
depth. To do this:
1. From the Sonar Page, press MENU |
↓ to
D
EPTH
R
ANGE
| ENT .
At left, Sonar Page menu with Depth Range command selected. At
right, the Depth Range Control Scale.
Depth box
Cursor line