Section #8 – Troubleshooting Tips 53
Electronic Copy of LTI's UltraLyte LR B User's Manual - 2
nd
Edition © 2002
Section #8 – Troubleshooting Tips
What You Will See Required Action
Unit powers OFF
by itself.
-or-
No power at all.
• Verify that the batteries are installed
correctly.
• Replace the batteries.
• Keep in mind that the instrument
automatically powers OFF if there is
no instrument activity for a period of
15 minutes.
The in-scope red aiming
dot is not visible.
• Press the TRIGGER to activate
the red dot.
• Press the BRIGHTNESS CONTROL
button to increase the intensity of the
red dot.
• Adjust the polarizing filter.
E01 error code. No
range or speed
readings.
• Can you measure to a wall that is
about 50 feet (or 20 meters) away?
• Check the scope alignment.
• Restore the factory defaults.
• When measuring a short range to a
small target, aim slightly above the
target.
Erroneous readings/not
repeatable.
• Do you have a clear line of sight?
• Check the scope alignment.
• Is it raining or foggy. If yes, is the
weather filter active? If not, turn it
ON. Keep in mind that the minimum
range will be 250 feet (76 meters).
• When measuring a short range to a
small target, aim slightly above the
target
No serial
communication.
• Verify the cable connection.
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