Oki LPR Series Operational Manual

SEM-7540LPDN
SEM-7540LPDNP
Operational Manual
License Plate Recognition Series
True Day & Night License Plate Capture Camera
Please read the Operational Manual
before attempting to use this product.
FEATURES
1/3" Sony Exview CCD
Sony HQ-1 DSP
540 TV Lines
0.05 Lux @ F1.0
Mechanical IR Cut Filter (ICR)
Advanced 8-step manual shutter to obtain clear
images of moving vehicles license plates
Dual Power 12V DC / 24V AC
DIMENSIONS (Unit: mm)
NOMENCLATURE AND FUNCTION
Night/IR Mode
Day Time Mode
(>7 Lux)
(<4 Lux)
1
Lens mount
This mount is used to install a CS-mount lens.
CS-adaptor ring is required if using a C mount lens.
2
CS Mount Fixing Screw
Screw for fixing mount and adjusting back focus if needed.
3
Mount adaptor
This adaptor can be attached to either the top or bottom of unit.
4
Auto iris lens connector (4-pin type)
The lens connector supplies the auto-iris lens (not supplied) with
DC power and a video signal or DC control signal.
PIN NO. VIDEO
1 DC + 12V
2 NC
3 VIDEO SIG
4 GND
5
ME/AES Shutter Control
(0) 1/50 (60) sec. (1) FL: 1/120(100) sec.
(2) 1/250 sec. (3) 1/500 sec.
(4) 1/1000 sec. (5) 1/2000 sec.
(6) 1/4000 sec. (7) 1/10,000 sec.
The fixed shutter speed modes can be applied to capturing moving
objects. Suggestion setting shutter speed is from either 1/250 or
1/500 according to object moving speed and object distance from
camera.
Camera to object moving speed
Shutter 15~20M
Speed (45~60ft)
1/250 sec. 30~60 ,Km/hr
1/500 sec. 50~80 Km/hr
* Aspherical lenses with the aperture of F1.4 or the larger are
recommended.
* The image of the moving object is better to occupy the 80% of
the picture at least.
6
Auto Iris mode selection switch
For switching the output from the auto-iris connector (5). Shutter
speed is fixed at 1/50 sec. when switch is set to DC or VIDEO
position.
DC: To be set when using a non-amp auto-iris lens.
AES: To be set when using AES (Auto Electronic Shutter).
Video: To be set when using an auto-iris lens with build-in amp.
7
DC Level adjustment V.R
Used to adjust video output level of DC driven auto iris lens.
8
B.L.C. (Back light compensation) mode switch
When strong light is present behind the object being photographed,
the object will appear dark. In this case, turn on the BLC.
FLC S.AGC
BLC L.L.
V.P.
FLC S.AGC
OFF NORM AGC INT
BLC
L.L.
V.P.
OFF NORM AGC INT
9
F.L. (Flickerless) mode switch
F.L.: Fixes shutter speed at NTCS: 1/100Sec.; PAL: 1/120Sec.
NOM: Normal position.
DC
CONTROL -
CONTROL +
DRIVE +
DRIVE -
2
20~35M 35~60M
(60~100ft) (100~180ft)
50~80 Km/hr
80~100 Km/hr 80~100 Km/hr
S.AGC
FLC
BLC L.L.
V.P.
OFF NORM AGC INT
SEM-7540LPDN_rev04282008