Specifications
Operation of IS15 Multi
20220760L 37
Screen 5
BOAT AVERAGE SPEED
• The upper screen section displays ‘BOAT AVG’ and the
Average Speed unit, e.g. ‘KTS’.
• The lower screen section displays the Average Speed
reading.
The Average Speed is calculated as the distance covered by the
boat since power up or when the passage time was last reset,
divided by the passage time. Resets at Passage Time reset and
Trip log reset. (see paragraph 3.11).
Screen 6
MAXIMUM SPEED
• The upper screen section displays ‘BOAT MAX’ and a
Maximum Speed unit, e.g. ‘KTS’.
• The lower screen displays the Maximum Speed reading.
Resets at Passage Time reset and Trip log reset (see paragraph
3.11).
3.7 Screen Group 3: Wind
There are five screens in this group:
Screen 1
APPARENT WIND ANGLE
• The upper screen section displays ‘APP WIND°’ and a wind
direction icon.
• The lower screen section displays the Apparent Wind angle
in degrees.
Screen 1 has a sub-screen for setting the wind damping. Refer to
screen 4.
Screen 2
APPARENT WIND SPEED
• The upper screen section displays ‘APP WIND’ and the unit,
e.g. ‘KTS’.
• The lower screen displays the Apparent Wind speed reading.
Screen 2 has a sub-screen for setting the wind damping. Refer to
screen 4.










