Iris Operation - Canon HJ40x10B Operation Manual

5-3. IRIS OPERATION

The iris can be operated automatically or manually by changing the position of the iris operation change-
over switch.
A (automatic) : Automatic iris operation by signals fed from the TV camera.
M (manual) : Manual iris operation by the iris ring of the lens.
MANUAL IRIS OPERATION
Slide the iris operation change-over switch to the M posi-
tion.
Adjust the video level by rotating the iris ring of
●
the lens manually.
Turn the iris ring clockwise, as viewed from behind the cam-
era, to lower the video level. Turn the iris ring counterclock-
wise, as viewed from behind the camera, to increase the
video level.
Momentary automatic iris switch
●
When the momentary auto-iris switch is pressed during
manual iris operation mode, the iris changes to automatic
operation mode while the switch is held down.
This feature is helpful when the correct iris setting is mo-
mentarily required.
AUTOMATIC IRIS OPERATION
Slide the iris operation change-over switch to the A posi-
tion.
The video level (or the iris) is automatically
by signals sent from the camera.
The iris ring rotates automatically (driven by a motor in the
drive unit) so that the video signal is kept at a constant
level.
*(NOTE) : Make sure that the TV camera is also set to auto-
matic iris operation.
a d j u s t e d
E23
Iris Operation Change-over
Switch
Close
Open
Iris Ring
Momenary Auto-Iris Switch
Iris Operation Change-over
Switch