Furuno 1823C manual Sounder Setup, System setup, Sounder system setup menu

5. CUSTOMIZING YOUR UNIT

5.9Sounder Setup

This section shows you how to customize your network sounder to your liking. You can set fish alarm sensitivity, fine tune sensors, etc.

5.9.1System setup

1.Show the sounder display, then press the [MENU] key.

2.Press the SOUNDER SYSTEM SETUP soft key.

FISH ALARM LEVEL	MEDIUM
TRANSMISSION	ON
TVG - HF	3
TVG - LF	3
ECHO OFFSET - HF	+00
ECHO OFFSET - LF	+00
BOTTOM LEVEL - HF	+000
BOTTOM LEVEL - LF	+000
KP PULSE	INTERNAL
SMOOTHING	SM3
TLL OUTPUT	ON

SYSTEM SETUP 1

EDIT

SENSOR

SETUP

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RETURN

STC - HF	00
STC - LF	00
FREQ. ADJ. - HF	+00.0%
FREQ. ADJ. - LF	+00.0%
TARGET ECHO	NORMAL

SYSTEM SETUP 2

EDIT

SENSOR

SETUP

PREV.

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			Sounder system setup menu
		Sounder system setup menu description
Item		Description		Settings
Fish Alarm	Sets the fish alarm sensitivity; that is,			High: Orange and stronger echoes
Level	the minimum echo strength which will			trigger the alarm.*
	trigger the fish alarms.			Medium: Yellow and stronger echoes
				trigger the alarm.*
				Low: Green and stronger echoes
				trigger the alarm.*
				* = 8-color display
Transmission	Turns TX power on/off.			On, Off
TVG	TVG (Time Varied Gain) compensates			0-9
(HF,LF)	for propagation attenuation of the
	ultrasonic waves. It does this by
	equalizing echo presentation so that
	fish schools of the same size appear in
	the same density in both shallow and
	deep waters. In addition, it reduces
	surface noise. Note that if the TVG
	level is set too high short range
	echoes may not be displayed.

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