Furuno CSH-5L/CSH-8L - Manual (Page 52)

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