Furuno FCV-1200L User Manual

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1.16 Adjusting the External Video Sounder Picture

The USER-1/USER-2 display can show the picture from external equipment, and you can adjust

the picture as below.

1. Display the picture of the external equipment. “EXT” appears at the top of the screen.

2. Rotate the [FUNCTION] switch to select GAIN-EXT.

The EXTERNAL (3

rd) ECHO menu appears.

Optimize external (3rd)

echo presentation.

[-/+]: Change setting

[EXIT (knob)]: Exit

EXTERNAL (3rd) ECHO

GAIN : 5.0 (0 10)

CLUTTER : 4 (0 7)

CURVE : STD

TVG : 5 (0 10)

STC : 0 (0 10)

NOISE LIM : OFF

GAIN ADJ : +0 ( 50)

TX PULSE : STD

MANUAL

: 0.2 msec

These settings only

appear when the

picture from external

equipment is

displayed.

EXTERNAL (3 rd) ECHO menu

3. Press the [!] or ["] to select the item to adjust.

4. Press the [-] or [+] key to adjust.

5. Press the [!] or ["] to close the window.

6. Rotate the [FUNCTION] switch fully counterclockwise to select EXIT.

Items

GAIN: Adjusts gain (0.0-10.0) CLUTTER: See page 1-15,

CURVE: See page 1-15 TVG: See page 1-16

STC: See page 2-9 NOISE LIM: Same as NOISE LIMITER. See page 1-22

GAIN ADJ: See page 2-9 TX PULSE, MANUAL: See page 2-10

Other manuals for Furuno FCV-1200L

Installation Manual104 pages

Service Manual71 pages

Questions and Answers:

M
Melissa CallahanAug 21, 2025
Why is there noise and interference on my Furuno Marine Equipment?
- E
  Elizabeth WhiteAug 21, 2025
  If you are experiencing noise and interference with your Furuno Marine Equipment, ensure that the GAIN and CLUTTER settings are properly adjusted. Also, verify the setting of the noise limiter and check the equipment’s ground.

Furuno FCV-1200L Specifications

General

Display Size	12.1 inches
Frequency	50/200 kHz
Waterproof Rating	IPX6
Power Supply	12/24 V DC
Operating Temperature	-15°C to +55°C
Category	Fish Finder
Display Type	Color LCD
Resolution	800 x 600 pixels
Power Output	1 kW
Depth Range	Up to 1000 meters