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Raymarine Pathfinder User Manual

Page 67

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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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