Furuno CH-250 Operator's Manual page 111

SYSTEM SETTING 1
SHIP'S POSITION ( L/L , LOP)
CURRENT DATA ( OFF , FLOW FROM, FLOW TO)
HEADING INDICATION ( TRUE , AZ)
NORTH MARK ( OFF , ON)
CSE DATA ( NAV , GYRO)
NAV DATA ( GPS , LoranC, LoranA, DR, DECCA, OTHERS)
TVG CORRECTION ( OFF, 1/2, 1/1)
UNIT ( m , ft, fa, HIRO, P/B)
TEMP (˚ C, ˚F)
EVENT MARK INFO ( OFF , ON)
CUSTOM KEY ( PRESET KEY , SHORT-CUT KEY)
STABILIZER (OFF, ON )
RED STRESS FUNC ( OFF , ON)
ETA MARK ( OFF, 10sec, 30sec, 1min, 3min, 6min)
SYSTEM SETTING 2
AUTO RETRACTION ( OFF , ON(5-15 kts))
SPEED ALARM/MESSAGE (OFF, ON )
SOUNDOME SER.NO. ( ~999 , 1000~)
DEFAULT SETTING (NO , YES)
M-3