JVC LST0450-001B manual Check the mounting method of the lens before mounting, Gnd

1.Check the mounting method of the lens before mounting

●This camera is set to CS-mount lens before shipment. To use a C-mount lens, loosen the back focus fastening screw with a screwdriver, turn the back focus adjustment ring with your finger or the screwdriver and change the mounting method.

●For the dimension (a) of the lens mounting section as illustrated in the diagram, use the value that is shown in the table below.

Note:

●Never use one that exceeds the dimension (a) as it will damage the inner part of the camera and will not allow normal installation. This will result in a malfunction.

Lens	Flange back (b)	Dimension (a)
C-mount lens	17.526 mm	5.5 mm or less
CS-mount lens	12.5 mm

2.Turn the lens clockwise and mount it securely on the camera.

3.For an automatic iris control lens, select the switch on the side of this camera according to the lens used.

VIDEO	: When using a lens with a built-in EE amplifier
DC	: When using a lens without a built-in EE amplifier

4.In the case of an automatic iris control lens, check the pin arrangement and connect the lens cable to the socket.

4 pin plug

Pin	DC IRIS lens	VIDEO IRIS lens
number	(Without built-in EE amplifier)	(With built-in EE amplifier)
1	Brake (-)	9.0 V (Max. 50 mA)
2	Brake (+)	NC
3	Drive (+)	VIDEO
4	Drive (-)	GND

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