Lowrance StructureScan HD Operation Manual page 14

That will ensure that what is on the left or right
side of your boat underwater, will be shown on the
corresponding side of the screen on your display unit.
To turn on/off Flip Left/Right, highlight Flip Left/Right
on the Structure Options menu and press EntEr.
Range Lines
Onscreen lines that make it easier to estimate
depth of sonar targets (Downscan) or
distance from sonar targets (Sidescan).
To turn on/off Range Lines, select Range
Lines on the Structure Options menu and
press EntEr.
Measure Distance
Measures the size of underwater objects and the distance from one object/loca-
tion to another object/location.
To Measure Distance:
1. Press MEnu from a StructureScan page.
2. Highlight Measure Distance and press EntEr.
3. Use the keypad to move the cursor into the desired position.
4. To measure the distance from the selected location to another object
or location press EntEr and move the cursor.
5. Press Exit to return to normal operation.
Range Lines shown in Sidescan
view.
The
selected
locations
are 40.5
feet apart.
12
Cabled end of transducer
Back of the boat