Furuno CSH-5L/CSH-8L manual Adjusting the Gain, Sounder menu

4. ECHOSOUNDER

** SOUNDER MENU **			(RANGE CTRL: U/D, GAIN CTRL: L/R)
[MENU MODE]	: SONAR		SOUNDER		MARKS	SYSTEM
COLOR	:		2	3		4
		1
RANGE	: 160
SHIFT	: 0
E/S INT REJECT	: ON
			OFF
GAIN	: 3.0
CLUTTER	: 2.0
ADVANCE	: 2/1			1/2		1/4
			1/1
	1/8
COLOR CURVE	: LINEAR		1			3
					2
DELETE COLOR	: 0
DRAFT	: 0.0(m)

PRESS [MENU] KEY TO EXIT

Sounder menu

4.Use the [RANGE] control to choose RANGE.

5.Use the [GAIN] control to choose range desired among 20, 40, 80, 120, 160, 240 and 320 (meters).

6.To shift the display, use the [RANGE] control to choose SHIFT.

7.Use the [GAIN] control to choose amount of shift desired (range 0-1000 (meters)).

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

4.2Adjusting the Gain

You may adjust the display level of the echo sounder picture as below; the gain of the echo sounder itself cannot be adjusted from the sonar.

Note: Set the gain to the same setting as the echosounder connected. This setting does not affect the original echosounder setting.

1.Press the [MENU] key to open the menu.

2.Use the [RANGE] control to choose [MENU MODE] at the top of the screen.

3.Use the [GAIN] control to choose SOUNDER.

4.Use the [RANGE] control to choose GAIN.

5.The gain setting is locked so operate the [GAIN] control to choose YES and then press the [EVENT] key.

6.Use the [GAIN] control to adjust gain (setting range: 0.0-10.0).

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

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