Pelco C1901M User Manual

MC3800 Series

1/3-Inch Monochrome

Camera

Installation/

Operation Manual

C1901M (4/99)

Pelco • 3500 Pelco Way • Clovis, CA 93612-5699 USA • www.pelco.com

In North America and Canada: Tel [phone] or FAX [phone]

International Customers: Tel [phone] or FAX [phone]

IMPORTANT SAFEGUARDS AND WARNINGS

1. Installation and servicing should only be done by qualified service personnel and
conform to all local codes.

2. To prevent fire or shock hazard, do not expose the unit to rain or moisture.

The product and/or manual may bear the following marks:

This symbol indicates that
dangerous voltage constituting a
risk of electric shock is present
within this unit.

RISK OF ELECTRIC SHOCK.

This symbol indicates that there
are important operating and
maintenance instructions in the
literature accompanying this unit.

Please thoroughly familiarize yourself with the information in this manual prior to installation
and operation.

DESCRIPTION

The MC3800 Series cameras are 1/3-inch format monochrome CCD (charge coupled
device) cameras. They have the following features:

• High resolution and high sensitivity

• CCD iris function

• AGC (automatic gain control)

• AC line lock

• C/CS lens mount

• Auto-iris connector for DC-driven lenses

• Level and backlight control (BLC) for various lighting conditions

• Isolated power circuit

CAUTION:

DO NOT OPEN.

MODELS

MC3800-2 24 VAC, EIA standard
MC3800-2X 24 VAC, CCIR standard
MC3800-3 230 VAC, CCIR standard

2 Pelco Manual C1901M (4/99)

LOCATION AND FUNCTION OF PARTS

Refer to Illustration B for the location of the camera parts.

NOTE:

trations in this manual are
keyed to the illustrations in
the manual that is supplied
with the camera.

10
11

12

13

References to illus-

Tripod adapter (may be

1

attached to top or bottom
of camera)

Camera mounting

2

receptacle (1/4-inch
UNC-20)

Lens mount cap

3

C/CS lens mount

4
5

C/CS adjustment pot
CCD iris switch

6

Level adjustment pot

7

Backlight control (BLC)

8

adjustment pot

9

V-phase adjustment pot
Lens connector (four-pin)
Video output (BNC

connector). Connect to
the VIDEO IN connector
of a monitor.

MC3800-2/MC3800-2X:
24 VAC power input
terminals

MC3800-3: 230 V AC
power cord

B

MC3800-2

MC3800-3

MC3800-2X

10 11 10 11

1312

1

2

3 4 5 6 7 8 9

Top/Front/Side/Rear Views of MC3800 Series Cameras

INSTALLATION

LENS

The lens must be either a C- or CS-mount type weighing less than 1 kg (2.2 lb). The
protrusion behind the mounting surface must be within the limits shown in Illustration C.

1 C-mount lens

1/2-inch (12 mm) or less

2

CS-mount lens
9/32-inch (7 mm) or less

C

1)

1

2)

Compatible Lenses

Pelco Manual C1901M (4/99) 3

2

Be sure to attach the lens mount cap when the lens is not mounted.
When using an auto-iris lens, use only a DC-driven type or a direct current drive coil with a

resistance value over 150 ohms.
When using an auto-iris lens, attach it as follows. For a manual lens, omit step 3. Refer to

Illustration E.

1. Unscrew the lens mount cap.

2. Screw in the lens. Make sure the C/CS adjustment ring is set properly.

3. Check the plug wiring on the lens cable against Illustration D and the pin-outs in the
“Plug Change on Auto-Iris Lens Cable” box. If you need to replace the existing plug,
follow the instructions in the box.

4. Adjust the backfocus. Follow the appropriate instructions in the “Lens/Camera Setup
and Backfocusing” Information Box. These instructions cover the setting of the CCD
IRIS switch (Illustration A in the owner’s manual). Also, if necessary, refer to the
“Camera/Lens Geometry-General Information” sheet.

Cover (supplied)

1

Auto-iris lens cable

2

Rib (If the cable is thick

3

and the plug cover does
not seat properly , cut
away this rib.)

Lens plug (supplied)

4

D

1

1
2

3

4

2

3

4

Changing the Plug on an Auto Iris Lens Cable

PLUG CHANGE ON AUTO IRIS LENS CABLE

1. Remove the old lens plug from the cable.

2. Remove the plug cover , add heat shrink tubing to the wires and solder the lens
cable wires to the pins thru on the plug supplied. Apply heat to the heat
shrink tubing. The pin assignments are as follows:

1
2
3

4

3. Put the cover on the plug.

2

Pin # DC-servo Lens

Pin 3: Drive (+)
Pin 1: Control (-)
Pin 2: Control (+)
Pin 4: Drive (-) (Ground)

1

1 4

42

13

Auto Iris Plug

Pin-out (Back of Plug)

4 Pelco Manual C1901M (4/99)