Section #2 – Speed Measurements 30
Electronic Copy of LTI's UltraLyte LR B User's Manual - 2
nd
Edition © 2002
4. Continue to press the TRIGGER and keep the instrument
sighted on the target:
•
A low-pitched growl
means that the instrument is
attempting to lock onto the target
A low-pitched beep
means that a measurement error occurred. An error code
will be displayed.
•
A high-pitched beep
means that a speed was captured.
As long as you hold the TRIGGER, the instrument will
continue to take speed measurements. The measured
speed will be displayed on the LCD screen and will be
projected on the scope, just below the aiming dot.
While the instrument is attempting to lock onto the target, as
long as the TRIGGER is kept pressed, it will retry the speed
measurement.
• Depending upon its configuration, the instrument
will try up to 10 times or more. Information is
accumulated until it gets a good measurement
or generates an error code.
• Consequently, it is very important that the aiming
point on the target remain constant for the entire
measurement time. If you move the instrument off
the aiming point, it will generate an error code
instead of capturing a speed reading.
After you release the TRIGGER the instrument will display the most
recent speed reading and the distance at which it was captured or an
error code. When the most recent speed reading is displayed, the
display screen will look similar to Figure 19.
When the Weather Filter is activated, the word “FiLtEr”
appears at the bottom of the display screen. Once a
successful speed measurement is completed, the distance
measurement overwrites this part of the display. The “GS”
display feature appears on the screen until the Weather
Filter is no longer active.
Figure 19. Sample Speed Measurement - Weather Filter ON
MPH
SPEED
GS
F
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