Furuno CH-37 manual System setting menu description

	Table 4-1 System setting menu description
Item		Description
3D DISPLAY		Turns 3D mode on/off.
SHIP'S POSITION		Turns position indication on/off and selects position format; latitude
		and longitude or Loran LOP.
CURRENT DATA		Turns current (tide) data on/off.
DEPTH DATA		Turns depth indication on/off.
HEADING DISPLAY		Turns heading indication on/off and selects its format; true bearing or
		azimuth (16 azimuth bearing).
NORTH MARK		Turns north marker on/off.
TRACK		Selects length of courseline plotting; 10R (ten times the range in use)
		or 20R (twenty times the range in use).
HDG/SPD DATA		Selects source of data to be used to plot courseline; NAV (Navigator),
		CI (Current Indicator).
NAV DATA		Selects source of position data; GPS, LORAN C LORAN A, DR,
		DECCA, OTHERS.
DATA FORMAT FOR NAV2		Selects data format for nav data; CIF (FURUNO) or NMEA.
CIF BAUD RATE		Selects baud rate of CIF data; 1200, 2400, 4800 bps.
		Changes TVG curve to compensate for absorption attenuation of
TVG CORRECTION		ultrasonic wave in water. OFF, Standard TVG curve, 1/2, 1/2 of
		theoretical absorption value added to TVG curve, 1, Full theoretical
		absorption value added to TVG curve.
UNIT		Selects unit of depth measurement. m, meters; ft, feet; fa, fathoms,
		HIRO.
V-MODE MANUAL TRAIN		Selects manual training sector width for the vertical fan mode. Half,
		half circle, Full, full circle.
DEGAUSSING INTERVAL		Enter interval at which to have the screen degaussed. OFF
		degausses the screen at the maximum interval.
FACTORY SETTING		Yes restores default system menu settings.

4-2