Connection / Installation; Mounting The Lens - JVC VN-V25U Instructions Manual

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Connection / Installation

Mounting the Lens

1.
Check the mounting method of the lens to
be used before mounting
● The default method used for this camera is
CS mount. To use a C mount lens, loosen the
back focus fastening screw using a
screwdriver, followed by turning the back
focus adjustment ring using a finger or
pointed object (e.g., screwdriver, etc.) to
change the mount method.
● Make use of the values listed in the table
below for the dimensions of the lens mount
(a) indicated in the following diagram.
Lens
Flange Focus (b) Dimension (a)
C Mount
17.526 mm
Lens
CS Mount
12.5 mm
Lens
● Objects longer than the dimension (a) must
not be used as doing so may damage the
camera interior or prevent the lens from
being properly mounted, hence resulting in
malfunctions.
Loosen
10 mm and
below
5.5 mm and
below
Back Focus Fastening
Screw (M2.6)
(a)
F
(b)
2.
Turn the lens in the clockwise direction to
mount it to the camera firmly
3.
When using a DC iris lens, pay attention
to the pin position before connecting the
lens cable
MONITOR OUT
PAL
OFF NTSC
STATUS
1
3
2
4
4.
Pin Plug
3
1
Pin No.
(Without Built-in EE Amplifier)
1
2
3
4
2.
RESET
IRIS
3.
4
2
DC Iris Lens
Damping (-)
Damping (+)
Driving (+)
Driving (-)
13

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