MC3820/MC5720 Series Monochrome Cameras Installation/ Operation Manual C1934M (8/99) Pelco • 300 W. Pontiac Way, Clovis • CA 93612-5699 USA • Pelco Online @ http://www.pelco.
MC3820 and MC5720 Cameras Installation Instructions INTRODUCTION These instructions cover Pelcos MC3820 and MC5720 Series cameras. Read all of these instructions. Use them to install your camera and have them available for its lifetime. Refer to Table A for the camera models and their features. All cameras in the range are fitted with a direct drive (DD) lens connector, have adjustable back focus and accept C and CS lenses. Monochrome Resolution (TVL) Sensitivity (lux @ f1.
Installation Instructions MC3820 and MC5720 Cameras PRODUCT SAFETY Ensure installation and servicing is carried out by qualified personnel. Isolate from the supply circuit before any servicing. Installation method and materials must be capable of supporting four times the total weight of the unit. Power supply cords must be connected as defined in national electrical codes of practice for Class 1 earth protected equipment.
MC3820 and MC5720 Cameras Installation Instructions CAUTIONS CAUTION In order to avoid damaging your camera, note the following points. 1) The camera has threaded mounting points on the top and bottom of the case. Only use a standard, photographic mounting bolt with a 1/4-20 UNC thread. 2) Before fitting the lens, make sure that its back will not touch the CCD sensor or associated components when fully installed. 3) Do not touch the image surface of the sensor.
Installation Instructions MC3820 and MC5720 Cameras CONTROLS AND SWITCHES On the side of the camera is a hinged flap. The hinged flap covers various adjustment controls and function switches. 5 1 2 3 4 MC3820-2X and MC5720-2X (9a) (10) (11) Side View (8) MC3820-3 and MC5720-3 Top View (6) (7) (12) (10) (9b) (11) Default switch positions shown (white represents switch position) (1) Synchronization Selection (LL/INT) This switch is used to select the camera synchronization mode.
MC3820 and MC5720 Cameras Installation Instructions CONTROLS AND SWITCHES (4) Electronic Iris (EI) The Electronic Iris (EI) compensates for excessive light level by automatically adjusting the shutter speed. The electronic iris should be ON when using fixed or manual iris lenses. When using AutoIris (AI) lenses of either the video drive or DC drive types the EI must be OFF. Also see 8, Electronic Iris and DC Lens Level Adjustment Potentiometer.
Installation Instructions MC3820 and MC5720 Cameras CONTROLS AND SWITCHES (9b) Supply Voltage Power Cord (MC3820-3 and MC5720-3) The non-detachable power supply cord must be connected to a power supply of 230 VAC +10% / -15% at 50 Hz. REFER TO THE WIRING INSTRUCTION LABEL ATTACHED TO THE SUPPLY CORD and terminate the cord with the appropriate circuit with a 3A fuse. CAMERAS MUST BE CONNECTED TO A PROTECTIVE EARTH GROUND.
MC3820 and MC5720 Cameras Installation Instructions LENS SELECTION MC5720-2X MC5720-3 MC3820-2X Lens size MC3820-3 Suitable lens types are C and CS mount in fixed iris, manual iris, auto-iris or direct drive versions. Sizes are shown below. Cameras are factory set for CS mount lenses. If using a C mount lens, rotate either of the back focus screws approximately 30 turns counterclockwise before installing the lens.
Installation Instructions MC3820 and MC5720 Cameras FOCUS ADJUSTMENT Zoom Lenses Set the lens focus to infinity and fully open the iris by covering the lens with a suitable neutral density (ND) filter. Zoom out to the widest field of vision and view a distant object. Adjust the back focus screw until the object is in focus. Next, zoom fully in and adjust the lens focus until the object is again focused. Repeat these steps until the full zoom range may be viewed with the minimum loss of focus.
MC3820 and MC5720 Cameras Page 10 Installation Instructions
Installation Instructions MC3820 and MC5720 Cameras Page 11
REVISION HISTORY Manual # Date C1934M 8/99 8/99 Comments Original version AC supply voltage changed from 12-30 VAC to 14-30 VAC ® Pelco and the Pelco logo are registered trademarks of Pelco © Copyright 1999, Pelco. All rights reserved.
