Sony DVW-790WS/790WSP User Manual

Page of 314
8-25
DVW-790WS/709WS/707
DVW-790WSP/709WSP/707P P2V1
8-19. Automatic Iris Adjustment
Preparation
. On the setup menu, set as follows.
PAGE
: S24
*LEVEL 7
ITEM
: TEST OUT 
 ENC
. OUTPUT/DCC switch (inside panel) 
 CAM/ON
. Shoot a grayscale chart in the full underscanned monitor
frame.
. Lens IRIS 
 AUTO
Adjustment Procefure
Equipment
: Waveform monitor
Test point
: TEST OUT connector
1.
On the setup menu, adjust as follows.
PAGE
: S29
*LEVEL 12
ITEM
: IRIS MODE
Spec.
: Set depending on the application.
(Automatic iris operation mode setting can
be done from the average level to peak-to-
peak level of the video signal.)
IRIS MODE = MIN 
 peak-to-peak level
IRIS MODE = MAX 
 average level
2.
On the setup menu, adjust as follows.
PAGE
: S29
*LEVEL 12
ITEM
: IRIS SET
Spec.
: A = 100 
±
2 IRE (NTSC)
A = 700 
±
14 mV (PAL)
3.
On the setup menu, set as follows.
PAGE
: S29
*LEVEL 12
ITEM
: IRIS WEIGHT 
 0 (MIN)
4.
Shoot an area where the auto iris is not wanted to work
in the white window chart.
5.
On the setup menu, adjust as follows.
PAGE
: S29
*LEVEL 12
ITEM
: IRIS WEIGHT
Spec.
: Increment the IRIS WEIGHT value until
the lens iris is open.
6.
On the setup menu, adjust as follows.
PAGE
: S29
*LEVEL 12
ITEM
: IRIS SPEED (Factory setting : 2)
Spec.
: Adjust for the desired operation speed of
auto iris.
7.
On the setup menu, set as follows.
PAGE
: S29
*LEVEL 12
ITEM
: CLIP HIGH LIGHT 
 ON or OFF
Spec.
: Set to the desired position.
8-19. Automatic Iris Adjustment
A