1. OPERATION

1.5Selecting Apparent or True Wind Angle, Wind Speed

You can show wind angle and wind speed in apparent or true wind. The apparent wind is the actual flow of air acting upon a sail, or the wind as it appears to the sailor. True wind is the wind seen by a stationary ob- server in velocity and direction.

WIth a wind angle or wind speed indication displayed, press the APP/ TRUE key to change the wind angle or wind speed to apparent and true alternately. A beep sounds after the change is completed. (Wind angle and wind speed displays are mutually changed.) True wind requires boat speed input. If there is no speed input three dashes appear.

APP

KT

APP

5.0HI

135HI

APP

 

APP

TRUE

TRUE

TRUE

KT

TRUE

9.6

157

 

HI

HI

Apparent and true

Apparent and true

wind speeds

wind angles

1.6Resetting Counters and Indications

You can reset the following counters and indications:

Trip distance

Course made good

Distance made good

Average speed

Average SOG

Maximum speed

Maximum SOG

Average heading

Maximum true wind speed

Select the applicable display and press and hold down the SELECT/ CLEAR key. A short beep sounds, the counter or indication flashes twice and then a long beep sounds to indicate that resetting is completed.

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Furuno FI-504 manual Selecting Apparent or True Wind Angle, Wind Speed, Resetting Counters and Indications