Raymarine Pathfinder User Manual
Page 67

Chapter 13: RayTech advanced features
123
Data test
To edit the data test parameters:
1. Click
Data
tab in the Polar Plot dialog box.
The Data test screen will be displayed. This screen will initially contain
a single row of test data; however, you can store and edit as many dif-
ferent test data rows as you need, each row represents a unique run
and its associated performance statistics.
2. Double-click the test data row you want to edit. The Test parameters
screen will appear.
The definitions for the cells in the table are:
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Test
Name you have chosen for this set of test data.
Date
Date of the test run
Quality
Number assigned by you to represent the quality of the data
collected (this can be between 1 and 100)
Notes
Your comments about the test data
Mainsail
Name or code for the type of mainsail used
Headsail
Name or code for the type of headsail used
Awa
Apparent wind angle - in degrees.
Aws
Apparent wind speed - in knots
Twa
True wind angle - in degrees
Twd
True wind direction - in degrees
CorTwa
Corrected True wind angle - in degrees
CorTws
Corrected True wind speed - in degrees
CorTwd
Corrected True wind direction - in degrees
Bsp
Boat speed - in knots
Vmg
Velocity made good - in knots
Heading
Heading of boat - in degrees
Heel
Amount of heel - in degrees
124
RayTech RNS V6.0 - Users Guide
Note: For full definitions of the terms used in the above table refer to
Appendix L - Glossary of terms.
3. Type your data into the appropriate fields, Click
OK
.
4. You can further refine your analysis by using filters to narrow the
number of data test rows displayed in the Data Tests screen.
5. Click
Filters
. The filter test screen is displayed.
The filter test screen enables you to display only those tests that fall
within the specific criteria you select.
The filters screen selections sort the data test rows as follows:
Pitch
Amount of pitch - in degrees
Rudder
Amount of rudder deflection in degrees
Tab
Amount of rudder trim tab deflection - in degrees
Butt
Setting of the mast base adjustment.
Forestay
length
Length of the forestay - in meters or feet, specified by you.
Forestay
strain
Amount of load on the forestay
Set
The direction of the current - in degrees
Drift
Velocity of the current - in knots
> = TWS
Displays only those tests having True Wind Speed greater
than or equal to the value entered.
< = TWS
Displays only those tests having True Wind Speed less than or
equal to the value entered.
> = TWA
Displays only those tests having True Wind Angle greater
than or equal to the value entered.
< = TWA
Displays only those tests having True Wind Angle less than or
equal to the value entered.
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