3-9
No. Item
Measuring
instruments &
Input signals
Mode
Measuring point
(*)
Adjustment parts
(-)
Adjustment level
(+)
Adjustment procedure
1
IN GAIN
adjustment
• Oscilloscope
(H-rate, 10:1)
or WFM
• Gray scale chart
(precisely
scanned size)
Adjustment
menu 4/6
* TP2 (TG,Open the
left side cover)
- Lens iris
+ 1.00 ± 0.01 Vp-p
(1) Rotate the SHUTTER/MENU dial to select
MENU 4/6: IN GAIN <G>.
(2) Shoot the gray scale chart and adjust the lens
iris so that the white peak level is as specified.
3.5.4 Video White Level Adjustments
IN GAIN G :O
IN GAIN B :O
IN GAIN R :O
DSP data
<Bch> <Gch> <Rch>
438 438 438
C– AMERA ADJUST MENU– 4 / 6
* TEST OUT
(75 Ø terminated)
- SHUTTER/MENU
dial
+ DSP DATA <G>:
515 ± 2
(3) Push the SHUTTER/MENU dial so that the ad-
justment value blinks then rotate it to adjust to
the specified level.
(4) Push the SHUTTER/MENU dial to store the
adjustment data in memory.
* TEST OUT
(75 Ø terminated)
- SHUTTER/MENU
dial
+ DSP DATA <B>:
± 2 of DSP DATA
<G>
(5) Rotate the SHUTTER/MENU dial to select
MENU 4/6: IN GAIN <B>.
(6) Push the SHUTTER/MENU dial so that the ad-
justment value blinks then rotate it to adjust to
the specified level.
(7) Push the SHUTTER/MENU dial to store the
adjustment data in memory.
* TEST OUT
(75 Ø terminated)
- SHUTTER/MENU
dial
+ DSP DATA <R>:
± 2 of DSP DATA
<G>
(8) Rotate the SHUTTER/MENU dial to select
MENU 4/6: IN GAIN <R>.
(9) Push the SHUTTER/MENU dial so that the ad-
justment value blinks then rotate it to adjust to
the specified level.
(10)
Push the SHUTTER/MENU dial to store the ad-
justment data in memory.
* TEST OUT
(75 Ø terminated)
- SHUTTER/MENU
dial
+ Minimize the carrier
leak.
(11)
Minimize the white carrier leak signal of the
video signal by repeating steps (5) to (10).
(Carrier leak: less than 30 mVp-p)
IN GAIN G :O
IN GAIN B :O
IN GAIN R :O
DSP data
<Bch> <Gch> <Rch>
438 438 438
C– AMERA ADJUST MENU– 4 / 6
IN GAIN G :O
IN GAIN B :O
IN GAIN R :O
DSP data
<Bch> <Gch> <Rch>
438 438 438
C– AMERA ADJUST MENU– 4 / 6
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ROM board
TP3
TP2
TP1
TG board
3-8
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