JVC TK-C925E manual Mounting the lens, Check the mounting method of the lens before mounting, Gnd

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

Setup

Mounting the lens

1

(a)F

(b)

3VIDEO DC

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.

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

	IRIS
VIDEO
DC
COLOR VIDEO CAMERA
1	3

2

4 pin plug

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

4

2 4

1

3

4

2

	(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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