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4. ECHO SOUNDER MODE
4-11
4.10.3 Gain adjustment
Adjust the gain here when there is disparity in gain level between the main and sub
windows.
1. Press the [MENU] key to open the menu.
2. Press ▲ to choose MENU at the top of the screen.
3. Press ◄ or ► to choose the ES menu.
4. Press ▲ or ▼ to choose GAIN ADJUST.
5. Press ► to open the dialog box.
6. Press ◄ or ► to adjust.
7. Press the [MENU] key to register your selection and close the menu.
4.10.4 Resolution color
RES. COLOR sets transfer characteristics of input signal level versus display echo level.
Echo strength is emphasized in order of CUBE, SQUARE, LINEAR, LOG. You can see the
characteristics of each by watching the color bar as you change the setting.
1. Press the [MENU] key to open the menu.
2. Press ▲ to choose MENU at the top of the screen.
3. Press ◄ or ► to choose the ES menu.
4. Press ▲ or ▼ to choose RES. COLOR.
5. Press ► to open the dialog box.
6. Press ◄ or ► to choose appropriate option, referring to the description below.
LOG: Displays weak to strong echoes in their respective levels. This setting is
suitable for general use.
LINEAR: Downplays the weak echoes when compared with LOG. Effective for
suppressing weak echoes such as plankton.
SQUARE: Strong echoes are emphasized more than in LINEAR.
CUBE: Strong echoes are emphasized even more than in SQUARE.
7. Press the [MENU] key to register your selection and close the menu.