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3.5 System Interface (SI-3)
™
The SpeedSpy™ features the
Decatur Electronics System
Interface (SI-3)™ directional
radar—a high-performance
radar system that comes
configured to monitor only
the traffic that is approaching
the radar antenna . Radar
sensitivity has been pre-set for
optimal operations . Fog, heavy
rain, snow, and blowing dust
can reduce the speed detection range .
3.6 EZ Stat™ Module
The SpeedSpy™ includes
an EZ Stat™ module and
the software application for
traffic data collection .
3.7 Tuning Fork Test
If the SpeedSpy™ has come equiped with a tuning fork then the fork
can be used to verify that the logger is receiving speed data .
To begin the test, make sure the SpeedSpy™ is turned on and that
the EZ Stat™ data logger is plugged in . The green LED on the EZ Stat
will be blinking . There is 60 seconds from the time the SpeedSpy™ is
turned on in which to perform the test . After 60 seconds the system
would need to be turned off and back on if the test is to be repeated .
1 . Tap the tines of the fork on a firm, non-metallic surface . The
tuning fork will ring audibly . Then place the tuning fork that you
Figure 3.5
SI-3™ Antenna
Figure 3.6
EZ Stat™ module