NO DISPLAY
CAN NOT MEASURE
ONLY SHORTDISTANCE
1. Pls check the polarity
of the battery is correct.
1. Be sure you have already
push the transmitting
button( because first time for
open the power and next will
be for measure the distance)
1. Maybe the aim circle points
are not correctly to the object.
2. Pls check the battery is
powered.
2.Be sure the inner LCD got
display
2. Maybe you have measured
the front object when you
measure a small object in far
distance.
3. Pls push the power
button more hardly to
make it be connected.
3. Check if something blocks
the object lens.
3. Make use two hands to
hold it more stability for far
distance measure in case of
hands shaking..
4. Take out the battery
and reload again.
4. When you measure one
low reflectivity object. Pls
continuous trigger the
transmitting button until it
comes to the result. If still no
maybe the object are far over
our measure performance.
4. Heave fogs. smoke, dirt,
are not easy to measure
13
