Ultra Start 15xx Manual de usuario Pagina 38

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TDC Ultra User’s Manual
3-6
Normally you are not watching the display, you are watching the traffic.
The beeps remind you that the interval is over. This is only important if
this is the last interval and you are ready to quit; otherwise, just ignore
the beeps and keep counting vehicles.
********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.
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.
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.
If you press the TAB key while counting the display changes to show
the totals for each of the primary movements, buttons 1-16. Each row
shows one approach. Note that this display assumes buttons 1-4 are
the North direction.
1N : 000 000 000 000
1E : 000 000 000 000
1S : 000 000 000 000
1W : 000 000 000 000
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