JVC V25U Instruction Manual - Page 13

Connection / Installation, Mounting the Lens

Page 13 highlights

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 Lens 17.526 mm 10 mm and below CS Mount 12.5 mm Lens 5.5 mm and below ● 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. 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 RESET STATUS IRIS 1 3 3. 24 4. Pin Plug 2. Loosen Back Focus Fastening (a) Screw (M2.6) F (b) 3 1 4 2 Pin No. 1 2 3 4 DC Iris Lens (Without Built-in EE Amplifier) Damping (-) Damping (+) Driving (+) Driving (-) 13

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13
Connection / Installation
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.
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.
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
4.
Pin Plug
Mounting the Lens
Lens
Flange Focus (b)
Dimension (a)
C Mount
Lens
17.526 mm
10 mm and
below
CS Mount
Lens
12.5 mm
5.5 mm and
below
(a)
(b)
F
Loosen
Back Focus Fastening
Screw (M2.6)
Pin No.
DC Iris Lens
(Without Built-in EE Amplifier)
1
Damping (-)
2
Damping (+)
3
Driving (+)
4
Driving (-)
STATUS
MONITOR OUT
IRIS
PAL
OFF
NTSC
RESET
3
4
2
1
3.
2.
1
3
2
4