Sony BVP-550, Maintenance Manual, Page: 72 / 924

4-20 (E)
BVP-550
BVP-550P
4-2-17. Automatic Iris Adjustment
Note:
• Perform this adjustment on the customer’s preferences, if
necessary.
Equipment
: Waveform monitor
Test point : TEST OUT connector
Object : Grayscale chart
Preparations:
Connect the waveform monitor to the TEST OUT connec-
tor.
Shoot the grayscale chart so that the chart frame is aligned
with the underscanned monitor frame.
RGB/ENC switch (on the side panel)
→
ENC
AUTO/MANU switch (on the lens)
→
AUTO
(Waveform Monitor)
Adjustment procedures:
1. APL Ratio Adjustment
Set the menu as follows, and adjust it by turning the
MENU SEL switch.
MENU : Operation
PAGE : Auto Iris/Auto Knee (?6)
ITEM : APL Ratio
Specifications
: Adjust the automatic iris operation
mode depending on the application.
Note:
Automatic iris operation mode setting can be done from
the average level to peak-to-peak level of the video signal.
99
→
average level
–99
→
peak-to-peak level
2. Auto Iris Level Adjustment
Set the menu as follows.
MENU : Operation
PAGE : Auto Iris/Auto Knee (?6)
ITEM : Iris Override
→
OFF
Adjustment Point:
MENU : System config
PAGE : Iris (S6)
ITEM : LEVEL
Specifications
: A = 100
±
2 IRE (for NTSC)
A = 700
±
14 mV (for PAL)
4-2. Adjustment for Installation of OHB
(Waveform Monitor)
4-2-18. File Store
Note:
• Be sure to perform this item after any one of the adjust-
ments of sections 4-2-1. through 4-2-17. is performed.
• Reference File Store
1. Set the menu as follows.
MENU : Reference
PAGE : Reference File (R1)
ITEM : File Store
2. Press the MENU SEL switch (on the front panel) to
perform the reference file store.
• Triming File Store
1. Set the menu as follows.
MENU : Triming File
PAGE : Triming File (T1)
ITEM : File Store
2. Press the MENU SEL switch (on the front panel) to
perform the triming file store.
4-2-19. Menu Settings After Finishing
Adjustment
Set the menu as follows.
MENU : Paint
PAGE : Detail 1 (P2)
ITEM : Detail
→
ON
PAGE : Gamma
ITEM : Gamma
→
ON
PAGE : Knee/W.Clip (P6)
ITEM : Knee
→
ON