Event Marker; Scale Lines; Bottom Detection Line - Simrad EY500 Instruction Manual

5) Event marker

EVENT MARKER in the Display Menu must be turned ON. The event input
may be caused by EVENT COUNTER in the Annotation Menu. The event will
result in a red vertical line.
(6)

Scale lines.

If SCALE LINES in the DISPLAY/Echogram Menu is set greater than 0, the
selected number of dotted equidistant lines will be written across the echogram.
(7)

Bottom detection line.

The bottom detection line may be introduced for easy marking of the bottom
(Bot. Det. Line in the Display/Echogram Menu must be set to ON).
The PRESENTATION parameter in the same menu has the following options:
NORMAL
WH. LINE
CONTOUR
These options are described under the DISPLAY/Echogram Menu description.
P3402/C
Simrad EY 500
11