Furuno CSH-5L/CSH-8L - Manual (Page 56)

4. ECHOSOUNDER
4-6
4.8 Other Items on the Sounder Menu
The table below describes the SOUNDER menu items not described in the
previous sections of this chapter.
Sounder menu description
Item Description Ref. page
COLOR Choose one of four display color patterns, according to
your environment. —
COLOR
CURVE Adjusts echo presentation color curve against strong
reflections. For example, setting “1” averages weak to
strong signals to obtain a balanced picture. The larger
the setting the better the resolution on weak signals. —
DRAFT Set ship’s draft to get depth from the sea surface
(rather than from the transducer). —