Furuno CSH-53 manual 5-12, Menu, Description

Menu	Item	Description
ECHO TEST	Display Test	Checks the display unit without connection of
		other units. A test pattern is displayed.
	Demonstration	Reserved for future use.
E/S NET REC	E/S Audio Scale	Displays depth scale on right or left side of
		echo sounder display.
	ES Draft Adjust	Sets ship's draft to read true depth on echo
		sounder display.
	ES 2 Select	Selects equipment connected to ES 2 port;
		echo sounder or net recorder.
	Net Rec Range	Sets sounding range of net recorder
		transmitter unit.
DEFAULTS	Defaults	Restores default settings.
	Program Recalls	Reserved for future use.

5-12