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Pelco Manual C1903M (4/99) 11
INCIDENT LIGHT LEVEL ADJUSTMENT
Since the incident light level has been preset at the factory, usually no further adjustment is
required. If the picture is too dark, however, or if the picture’s highlights are extremely
overexposed, adjust the LEVEL adjustment screw. This adjustment can only be used for
auto-iris lenses or CCD iris control.
1. Turn toward L (low) to make the picture darker.
2. Turn toward H (high) to make the picture brighter.
BACKLIGHT CONTROL ADJUSTMENT
You can compensate for backlight conditions by turning the backlight control (BLC) screw.
When using this unit under backlight conditions, turn the BLC screw toward AV.
SPECIFICATIONS
Image Device: 1/3-inch CCD (charge coupled device)
Picture Elements:
MC5700-2: 410,000: 768 H x 494 V
MC5700-2X: 470,000: 795 H x 595 V
MC5700-3: 470,000: 795 H x 595 V
Sensing Area: 3.3 mm x 4.4 mm
Signal System:
MC5700-2: EIA standard
MC5700-2X: CCIR standard
MC5700-3: CCIR standard
Sync System: AC line lock
Horizontal Resolution: Approximately 570 lines (at center of screen)
Lens Mount: C/CS mount
Minimum Illumination: 0.5 lux (f/1.2)
S/N: 45 dB (AGC off)
Automatic Control: Electronic iris (exposure priority, up to 1/50,000 second
linear shutter speed control); AGC (automatic gain control)
Power Requirements:
MC5700-2: 24 VAC, 60 Hz, screw terminal
MC5700-2X: 24 VAC, 50 Hz, screw terminal
MC5700-3: 230 VAC to power cable (plug not supplied)
Video Output: BNC-type, unbalanced, 1.0 Vp-p, 75 ohms
Lens Connector: 4-pin connector
J
Adjusting the Incident Light Level
LEVEL
L H
12