Ultra Start 15xx Bedienungsanleitung PDF herunterladen (Seite 37)

3-5

changing when you do a study with the TDC Ultra (it beeps at the end

of each interval to let you know it may be time to go home). The TDC

Ultra automatically keeps track of the time and stores the data at the

end of the interval. You only have to concentrate on collecting the data.

This is one of the major features of the TDC Ultra.

The default value is 15 minutes, as this is the most common interval

length used for Turning Movement studies. We recommend that you

use 15 minutes unless you have special requirements.

Press DO once you have selected the interval length you wish to use.

Start Study

After you have selected an

interval to use, you are ready

to start the study. The display

shows the current count num-

ber and the interval number. In

the example shown, this is the

ﬁrst count done, and it is at the ﬁrst interval.

The TDC Ultra is waiting for you to push any movement button, which

starts the study. The display in the lower left corner shows the current

time, so it is easy to synchronize the start of the count to the beginning

of the desired interval. You do not have to push the ﬁrst button exactly

when the seconds roll over to zero. The analysis software rounds the

start of the study to the nearest minute automatically. However, when

starting a new study, always try to begin as close to an interval bound-

ary as possible, such as xx:00, xx:15, xx:30, or xx:45.

Press any of the gray keys to begin counting and the TDC Ultra will

start recording data.

When you push the ﬁrst button

to start the study, the display

changes to show the amount of

time left in the present interval.

In this case, it starts at 15:00

minutes and counts down to

zero. At the end of each interval, the TDC Ultra beeps three times.

Turn Count

Count: 001 Int: 001

--Any Key to Start--

07:59:37

Turn Count

Count: 001 Int: 001

08:01:23 Rem 13:37

Chapter 3 — Standard Turning Movement Studies

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