Ultra Start 15xx Bedienungsanleitung PDF herunterladen (Seite 95)

11-7

Chapter 11 — Roundabout Movement Studies

Similarly, if a vehicle makes a through movement, press the through

movement key for the approach it came from, as shown below.

There is no data stored in the counter until after the ﬁrst interval. If, after

starting a study, you realize that you set one of the parameters wrong,

you can turn off the TDC Ultra and restart the study correctly. However,

once an interval has ﬁnished, the study is stored in memory. So, if you

realize after the ﬁrst interval that you have made a mistake, you need

to either make a note to the person downloading the data to ignore that

study, or clear the TDC Ultra’s memory, as described in chapter 2.

IMPORTANT: Once you start the study, the only way to quit it is to

turn the TDC Ultra off. Always wait for the end of interval beeps before

turning the unit off.

Viewing Data While Recording

You have two display options while you are doing the study. The status

screen shows the current time and the amount of time left in the interval,

among other things. Normally you do not look at the screen while you

are doing a study, you are busy looking at the trafﬁc. All you really need

to know is the time so that you know when the study is over.

However, some people like to be able to see the data accumulate in

memory, especially if they have done studies for years with mechanical

counters that show the totals change as the buttons are pushed. Some

people just don’t believe the data is registered if they can’t see any

evidence for themselves.

1 2 ... 90 91 92 93 94 95 96 97 98 99 100 ... 123 124

Keine Kommentare

Ultra Start 15xx Bedienungsanleitung Seite 95