Restrict RHS detection Restrict LHS detection
Restrict long detection Restrict short detection
Lens Mask
Less
sensitive
More
sensitive
TOP VIEW
180º
SIDE VIEW
12m
2.5m
A
C
B
D
Photocell
Sensitivity
TIME
TEST 1 5 12min
MIN
MAX
SF-PTV180-500-T.qxd 13/04/2005 13:51 Page 7