Chapter 2: Wind instruments 3-2-3
ST290 Instrument System Owner’s Handbook
The flow charts show the sequence of button presses and displays for the
various operating tasks.
Figure 2-3: Using the /DISP button
True or apparent data
Use the TRUE/APP button to select either true or apparent data, as
required (toggle action). The type of data selected is indicated by a black
square marker on the digital display, adjacent to either the true or app
legend, as appropriate.
Tacking information
Press the TACK button to show tack heading information on the digital
display. The analogue display continues to show the wind angle.
Alarms
An alarm condition is indicated by a flashing alarm icon ( ) on the
digital display and an audible alarm at the instrument.
• When an alarm is sounding the instrument will continue to display
live wind speed and angle.
• A wind speed alarm will cause the current speed unit legend (KTS or
M/S)toflash.
• A flashing MAX legend indicates a high wind speed alarm.
Wind speed
Press
Maximum
wind
speed
Hold down
for 3s to reset
maximum wind
speed
Notes:
Screens other than Wind Speed are temporary and will
time out to the Wind Speed screen after 7 seconds.
Beaufort
wind speed
(not available
on Close
Hauled
Wind)
D5511-1
81183_2 S3.book Page 3 Tuesday, May 6, 2003 8:41 AM
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