Furuno FSV-85 Operator's Manual page 120

4. SLANT MODE
Display Setting menu
Gain Offset: Adjusts gain level. If the GAIN control on the front panel does not provide
satisfactory gain adjustment, enter an offset here. The setting range is 0-12.
Signal Level: Contaminated water or reflections from plankton may be painted on the
screen in green or light-blue. These echoes may be erased in order of strength. The
setting range is 0-15; 0 corresponds to the weakest color.
Color: Select color arrangement to use.
S-Scan Color1 (2 to 4) Setting: Customizes colors. For details, see page 2-38.
S-Scan Color Curve Setting: Adjusts reflected echo strength versus echo color level
for currently selected color response number. To adjust the curve, see page 2-39.
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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