Section 6—Testing Procedures
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6.10
3. During normal operation, at patrol speeds below the
minimum limit, or when a patrol Doppler signal cannot
be found, the PATROL window will display two dashes,
indicating that speedometer pulses are being received,
but a patrol speed cannot be displayed. If, for example,
a patrol vehicle is traveling at 50 MPH (80 km/h) by the
speedometer but the DSP cannot find any patrol Doppler
signal around that speed, two dashes will be displayed in
the PATROL window and no target speeds will be
displayed.
