Specifications

IS15 General Manual
20 20220760L
Screen 3
VELOCITY MADE GOOD (VMG) TO WIND
APPARENT WIND SPEED
APPARENT WIND ANGLE
The upper screen section displays ‘VMG’ as on Screen 1.
The middle screen section displays ‘WIND APP.’, apparent wind
speed value and the unit (e.g. ‘kts’).
The lower screen section displays ‘WIND APP.’, a wind
direction icon and the apparent wind angle value.
Screen 3 has no sub-screen.
2.8 Screen Group 4: Nav(igation)
There are seven screens in this group.
Note ! When the instrument is receiving an invalid message from the
navigation receiver or the message is missing, the display will
show ’---‘
Screen 1
HEADING
BOAT SPEED
RUDDER ANGLE
• The upper screen section displays ‘HDG’ (Heading) in
degrees and the unit, ‘M’agnetic’ or ‘T’rue. The heading may
be referenced to either Magnetic or True North as set in
paragraph 7.9 Screen 3 “Bearing Unit”.
Note ! The selection of ‘M’ or ‘T’ will set the reference for all the
bearings that are shown by the instruments, including the
Waypoint Bearing, the Course Over Ground, and the Wind
Direction. If only one of the two readings (‘T’rue or ‘M’agnetic)
is available, and the other one is required, the instruments can
convert from one to the other. This will, however, not change the
displayed unit. See ‘MAG. VARIATION’ below.
• The middle section displays ‘BOAT’, the Boat Speed reading
and the unit (e.g. ‘kts’).
• The lower screen section displays the rudder angle.
Screen 1 has a sub-screen for setting the magnetic variation.