Furuno FSV-85 MARK-2 Operator's Manual page 125

4. SLANT MODE
Color: Select color arrangement to use.
S-Scan Color1 (2 to 4) Setting: Customizes colors.
S-Scan Color Curve Setting: Adjusts reflected echo strength versus echo color level
for currently selected color response number.
Picture Setting menu
Smooth Echo RNG: Selects echo smoothing level in the range direction. The setting
range is 0-7. The higher the setting, the greater the smoothing.
Smooth Echo CIR: Selects echo smoothing level in the circular direction. The setting
range is 0-5. The higher the setting, the greater the smoothing.
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