Ultra Start 15xx Bedienungsanleitung PDF herunterladen (Seite 86)

TDC Ultra User’s Manual

10-4

If you do want to classify vehicles while recording the speeds, rather than

just pressing the number 8 key when the vehicle crosses the end line you

can press any of the 1 through 13 keys to classify it. When the data is pro-

cessed you will see several columns of speed data, each corresponding to

one of the keys you used to classify the vehicles. The number of class used

can be anywhere from 1 to 13.

How to do a Spot Speed Study

The ﬁrst task to perform is to choose the start and end lines. These usu-

ally are cracks or marks in the road that are clearly visible and roughly

perpendicular to the road. Objects on the side of the road can be used for

the end line, but should not be used for the start line. If necessary, you can

use a piece of chalk to deﬁne the lines. The lines can be anywhere from

100 to 250 feet apart. Measure the distance as accurately as possible, then

position yourself on the side of the road, exactly even with the end line, as

shown in the diagram below.

When you are in a good position, select Count from the Main Menu, then

select New and then select SS.

You are then prompted to select a site code type and assign a site code.

Refer to page 2-5 for information on selecting a site code.

Enter Distance

Once you have entered the site

code you will be prompted to

enter the distance between the

start and end lines. You must

enter a distance less than 256

feet or you will get an error message. Use the #10 key for zero, as in

other screens in the TDC Ultra.

Enter Distance:

Use keys 1-10

BANK1-TAB = cancel

DO = Done

A B

Course Length

Stand Here

1 2 ... 81 82 83 84 85 86 87 88 89 90 91 ... 123 124

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Ultra Start 15xx Bedienungsanleitung Seite 86