1
Illustrations
Figure1.
Figure2.
Figure3 .
Figure4
.
The window of upper beam
Emitting beam aperture
Sensor of receipt signal
from Remote Control
keyboard
5/8” screw
Handle
Battery Pack
Lock for battery pack
5/8” screw
The window of down beam
around 20m
A
B
A
C
0.5m
10m
0.5m