Houston Radar SS300 User Manual
Page 10 of 19
USE
Turn on the power to the SS300 to make it operational. No other action is required. The
radar will activate OUT 1 and OUT 2 open drain outputs whenever it detects a vehicle
that is above the programmed lower speed limit (the “LO” value) and below the
programmed high limit (the “HI” value). The default limits are set at 5 mph (8 kph) and
99mph (158 kph) at the factory. The values in brackets apply if units are set to KPH.
The radar will also keep sending out the speed in user selected ASCII format over the
serial interface while an incoming vehicle is tracked.
Connect radar to PC RS232 serial port and use provided Windows configuration software
to program the high speed limit (“HI” variable). The radar de-asserts the trigger outputs
above this limit. If you do not wish an upper detection limit, set this value to 159. This
will ensure that the upper limit is never reached regardless if the units are set to MPH or
KPH.
Set the “LO” variable to set the lower detection speed limit. The outputs will be de-
asserted for vehicles below this speed limit. The lowest value this may be set is 3 MPH
(5KPH).
Green LED flashes at 1/3 Hz (1/6 duty cycle)
rate when radar is running giving a visual OK
signal. In the SS300-OPF version green LED
may be installed on the back depending on the
requested build option.
