Digital BUS-WATCH
®
SD40
Page 57 of 72
Radio Engineering Industries, Inc.
640434 -- Rev 0 -- 9/30/2011
Figure 46: Speed Threshold
The Speed Source setup page allows user to select between vehicle speed sensor
or GPS signal.
SPEED UNIT: MPH or KM/H.
SPEED CAL SPD: Target speed for vehicle speed sensor calibration.
When speed source is set to GPS, this setting will now show.
CALIBRATION: To calibrate the vehicle speed sensor, set the target
speed and drive the vehicle at the same speed as the target speed, press
CALIBRATE to calibrate the vehicle speed sensor.
SPEED LIMIT: The minimum speed to trigger a speed alarm event.
SPEED ALARM: When set to ON, an alarm event will be recorded if the
vehicle speed exceeds the speed limit setting.
SPD SENSITIVITY: Speed sensitivity affects the rate of read out change.
Set to LOW for slower rate and HIGH for higher rate.
