Furuno 1823C manual Sounder function keys, Menu Item Function Function Key

5.CUSTOMIZING YOUR UNIT

5.Select function desired with the trackball, then press the ENTER soft key or [ENTER] knob to register your selection.

6.Press the [MENU] key to close the menu.

Sounder function keys

Menu Item	Function	Function Key
		Label
OFF	Assigns no function.
MOD: AUTO MODE	Display automatic mode selection window.	MOD
GHF: GAIN – HF	Displays high frequency gain adjustment window.	GHF
GLF: GAIN – LF	Displays low frequency gain adjustment window.	GLF
SFT: SHIFT	Shifts range in manual operation.	SFT
NL: NOISE LIMITER	Suppresses noise.	NL
CLT: CLUTTER	Suppresses clutter.	CLT
WMK: WHITE MARKER	Sets white marker.	WMK
HUE: HUE	Sets hue.	HUE
SLV: SIGNAL LEVEL	Erases weak signals.	SLV
PA: PICTURE ADV	Sets picture advance speed.	PA
TG: TEMP. GRAPH	Turns temperature graph on/off.	TG
TVH: TVG – HF	Sets TVG for high frequency	TVH
TVL: TVG – LF	Sets TVG for low frequency.	TVL
EOH: OFFSET – HF	Offsets echo strength for high frequency.	EOH
EOL: OFFSET -LF	Offsets echo strength for low frequency.	EOL
SMT: SMOOTHING	Sets echo smoothing rate.	SMZ
ZMR: ZOOM RANGE	Sets zoom range.	ZMR
BLR: B/L RANGE	Sets bottom lock range for bottom-lock display.	BLR
TLL: TLL OUTPUT	Outputs current position to plotter. Also inscribes	TLL
	line on sounder and registers position as a
	waypoint on plotter.
SSR: SNDR SOURCE	Selects source for sounder data.	SSR
DBX: D. BOX ON/OFF	Turns data boxes on/off.	DBX
CHG: CHANGE CNTRL	Switches control in combination display.	CHG

Note: To use CHANGE CNTRL set it on all displays, with the same soft key number.

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