A realistic display of sail performance requires more influencing parame-
ters, such as wind velocity, ship speed, wind angle. The sail performan-
ce calculation is disabled if these values are not in the system-specific
tolerance range.
In this case the display will show four stars.
The following conditions will disable the calculation:
1. The true wind velocity is less than 4 knots
2. The apparent wind direction is less than 20o
3. The sail performance exceeds 150 % (the engine is running)
4. LOGIC LOG or LOG/DEPTH is not connected.
The Basic Settings
The basic settings needed for a perfect operation are selected by pres-
sing the "PROG" key.
Damping? Display damping adjustment (see page 39)
Hull ? Entry of water-line length (see page 40)
Sails ? Entry of sail area to ship size ratio (see page 41)
Weight ? Entry of ship weight to ship size ratio (see page 42)
Exit ? Exit programming menu
38
CALCULATION OF SAIL PERFORMANCE/BASIC SETTINGS
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