Furuno CH-250 Operator's Manual page 79

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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. The default setting is

LOG.

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.

A-SCOPE: Turns the A-scope display on/off. Default setting is OFF. See paragraph 4.10.2 on

page 4-9.

4-11

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Troubleshooting