Furuno FSV-30 Operator's Manual page 139

BEARING REF: Selects how to reference bearing for the vertical bearing marker.
The choices are ship's heading (default) and North.
TILT LEVER: Chooses function of the TILT control.
TILT: Sets the tilt only.
TILT & V1: Sets the bearing of the vertical 1 display in the vertical display, and
sets the tilt in the horizontal display.
H-SLICE WIDTH: Chooses width of the history marker in the history display. The
choices are 1, 2, 4 and 8, 16 (default setting) and 32. The higher the number the
greater the width.
H-SLICE PICT ADVC: Determines how to advance the history display, by KP
SYNC (default setting) or ship's speed.
NET COURSE MARK: Inscribes/deletes the net course mark. For further details
see "2.19 Net Course Mark" on page 2-37.
MANUAL DEGAUSS: In the default setting the screen is automatically
degaussed by the internal sensor when it detects stray magnetic fields on the
screen. If you want to degauss the screen manually select MANUAL DEGAUSS
and press the [MENU] key. Execute degaussing in intervals; consecutive
degaussing may result in color distortion.
AUTO DEGAUSS: Selects how to degauss the screen automatically.
OFF: Turns automatic degaussing off.
TIMER: Degausses at regular intervals.
GYRO: Using heading data from a heading sensor, degaussing occurs
when heading change exceeds a certain value.
INT SENSOR: Degaussing occurs when the internal sensor in the monitor unit
detects heading change which exceeds a certain value. This
option is only operative on the FURUNO monitor unit
FSV-2400.
DIMMER: Adjusts backlighting of the control panel. The setting range is 1-10
and the default setting is 10 (maximum).
KEY BEEP VOLUME: Sets the volume of the beep which sounds for key
operation. The setting range is 0-7. "0" turns off the key beep.
8. OTHERS MENU
8-3