JVC TK-1280E - Page 16

INSTALLATION ens)
When using a video-level-
sensing auto-iris.
wall
When using a galvanometric
auto-iris.
/GEN
ey «
Siu 00
Arranging the iris cable (example)
eS
=
Opening/ciosing the cover
e@ Opening e Closing @ Wound e Straight
Evel
CT
14
Mounting a fens ®t the lens has an auto-iris mechanism, attach the auto-
Unscrew the lens mount cap to remove it. iris cable to the camera via the tripod mounting base
Attach or remove the C-mount adapter depending on (when the cable is too long).
the lens to be used.
e If the adapter is attached so tightly that is difficult to
remove, use long-nosed pliers to remove it. Insert the Notes:
tips
of
the
pliers
into
the
holes
with
no
threads,
then
turn
e
Read
the
instruction
manual
of
the
lens
carefully.
to remove. A screwdriver can also be used, as shown. @ If the auto-iris lens has a different type of plug, replace
Insert M3 screws into the holes so that the screwdriver it with the plug provided.
has
something
to
grip.
(Use
the
same
method
when
the
©
A
cable
with
a
diameter
of
2
mm—4.5
mm
can
be
adapter
and
lens
are
attached
too
tightly.)
secured
with
the
tripod
mounting
base.
@ When mounting a lens, it may require adjustment of the
flange-back. Perform adjustment if necessary. See
page 15.
M3 screws ee
Adjusting auto-iris lenses
Make this adjustment after connecting the camera to a power
hj ey source and to a monitor.
Y @ Set AGC switch to OFF. .
@ When using a video-level-sensing auto-iris lens:
@ Attach the lens to the lens mount. Secure it so that it Adjust the LEVEL control of the lens to obtain optimum pic-
does not become loose. tures.
@
If
the
lens
has
an
auto-iris
mechanism,
connect
the
iris
When
using
a
galvanometric
auto-iris
lens:
:
cable to the VIDEO IRIS connector or DC IRIS connec- Adjust the IRIS LEVEL control of the camera to obtain opti-
tor.
;
of
mum
pictures.
e When installing a video-level-sensing auto-iris lens, @ Set AGC switch to ON
connect the lens cable to the VIDEO IRIS connector. It is recommended that the AGC be used in the ON position
@ When installing a gaivanometric auto-iris lens, connect after adjusting the video LEVEL control.
the lens cable to the DC IRIS connector.
14