Integrated SpeedView Traffic Data Computer – Operator’s Manual
Page 3
3.
Make sure the traffic computer is enabled by using the black UP and DOWN buttons to highlight the
Voltage/Options LED. Once it is highlighted, press the red SELECT button to enter the Options menu.
4.
While the Voltage/Options LED is blinking, use the black UP and DOWN buttons to bring up the traffic
computer (
tc
) option. Once the
tc
option is showing in the alphanumeric readout, press the red SELECT
button to enter into that mode.
5.
You can then use the black UP and DOWN buttons to turn the traffic computer
On
or
OFF
.
6.
Once you have the setting to
On
, press the red SELECT button to lock in your choice.
What Occurs During a Study
•
The traffic computer is designed to count only approaching targets and to count each target once.
•
Every time the radar identifies a new target it will record the target speed into memory and will increase the
total number of targets counted.
•
Every set number of minutes (typically 5 minutes) after the hour (:00, :05, … , :55), the traffic computer will
write a summary of that particular time interval to the data file with hourly summaries inserted at the end of
every hour. This will continue until the sign is powered off or the memory becomes full.
Ending a Study
1.
Turn OFF the power to the sign then turn it back ON again. This recycling of power will force the sign to
close out the study that was running when you turned OFF the power.
2.
The sign will reboot and will flash the blue LED indicating there is a new study ready for downloading. Any
studies that have not been previously downloaded will download once you insert a thumb drive into the
sign’s USB port – provided there is enough space available on the thumb drive.
CAUTION: Do not remove the thumb drive from the USB port until the blue LED has finished
flashing. This could corrupt the data on the thumbdrive.
Considerations:
•
For the most accurate data, only deploy the speed sign on straight sections of road without nearby
intersections. Vehicles accelerating or decelerating from stop signs/lights or intersections can generate
additional low speeds or inaccurate vehicle counts in the data.
•
Using the traffic computer on a street with multiple oncoming lanes can affect the counting mechanism
since cars in the near lanes may obstruct the radar beam from identifying cars in the far lanes if they are
blocked or if the strongest target the radar sees maintains its dominance in the radar speed calculation.
