Specifications

Operation of IS15 Combi
20220760L 19
2.7 Screen Group 3: VMG
There are three screens in this group.
Screen 1
VELOCITY MADE GOOD (VMG) TO WIND
BOAT SPEED
APPARENT WIND ANGLE
• The upper screen section displays ‘VMG’, the VMG to wind
value and the unit (e.g. ‘kts’). The VMG display shows the
Velocity Made Good into the wind, this is shown as a
positive speed if the vessel is travelling upwind, and as a
negative speed if the vessel is travelling downwind.
• The middle section displays ‘BOAT’, the Boat Speed reading
and the unit (e.g. ‘kts’).
• The lower screen section displays ‘WIND APP’, a wind
direction icon and the apparent wind angle reading.
Screen 1 has a sub screen for setting the boat (water) speed
damping.
Refer to page 13.
Screen 2
VELOCITY MADE GOOD (VMG) TO WIND
TRIM SPEED
APPARENT WIND ANGLE
• The upper screen section displays ‘VMG’ as on Screen 1.
• The middle screen section displays ‘TRIM SPD’, the trim
speed value and the unit (e.g. ‘kts’). Trim Speed is the
difference in speed between the present boat speed and the
target speed. It will only be indicated if it has been reset at
turn on, until that time it will show ‘----’.
• The lower screen section displays ‘WIND APP’, a wind
direction icon and the apparent wind angle reading.
Screen 2 has no sub-screen.