Pro-Lite Operator’s Manual
Page 27
OPERATING PROCEDURES
Speed Mode
After completing the range and HUD tests referred to in
the ACCURACY TESTS section of this manual, you are now
ready to make range and speed measurements.
Orient the Pro-Lite toward the traffic flow in as nearly a
parallel direction to traffic flow as the setup location
permits. Looking through the HUD, aim the Pro-Lite at the
desired target, and depress the trigger. You immediately
see the four dashes "----" in the HUD directly below the
aiming reticle, indicating that the laser pulses are being
transmitted and the range and speed processing circuits
are operating. If the aiming tone is enabled, an
intermittent tone sounds when the instrument begins to
receive sufficient reflected laser pulses to accurately
process speed-readings. When the instrument is squarely
aimed at a moving target and is processing valid speed
data, the tone becomes constant. At this point the target
speed appears on the HUD in place of the dashes. The
speed indication is preceded by a "-" sign if the target is
receding, and no sign when the target is approaching.
Both the "-" and "+" (for approaching targets) will be shown
on the rear panel LCD.
When using the Pro-Lite +, as long as the trigger is
depressed, the unit continues to update the displayed
target speed with the most recently determined value. This
enables the operator to correlate the displayed target speed
with visual observations of the target vehicle, thus
establishing the tracking history needed for introduction of
the evidence in many courts. If the target aiming point is
moved or lost during tracking, the Pro-Lite + notifies the
operator by rapidly flashing the speed and range. This
occurs for two (2) seconds, then the display blanks, unless
the aiming target is reacquired and tracking can continue.
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