9-7
HDW-750/750CE V1
B, D, F
A, C, E
9-6. Black Offset Adjustment
Adjustment procedure of the Black Offset Adjustment
differs depending on whether the DC ADJ MODE function
is equipped or not. Check whether the DC ADJ MODE
function is equipped or not using the service menu as
follows.
Check Procedure
.
Open the 06
*
RP D OFFSET page of the service menu.
Check whether or not the display “DC ADJ MODE”
appears.
.
If the DC ADJ MODE function is not equipped, the
display does not appear.
9-6-1. When the DC ADJ MODE Function Is
Equipped
Preparation
.
Lens iris
→
CLOSE
.
GAIN switch
→
H
.
Complete the setting as shown below by using the setup
menu.
MENU : OPERATION
PAGE : 01
*
OUTPUT SEL
ITEM :
TEST OUT SELECT
→
HD
MENU : OPERATION
PAGE : 09
*
GAIN SW
ITEM :
GAIN HIGH
→
30 dB
MENU : SERVICE
PAGE : 06
*
RP DC OFFSET
ITEM :
DC ADJ MODE
→
ON
Adjustment Procedure
Equipment :
B/W monitor
Measurement point : TEST OUT connector (outside panel)
1.
Complete the setting as shown below by using the
setup menu.
MENU :
SERVICE
PAGE :
06
*
RP DC OFFSET
ITEM :
OUTPUT SELECT
→
R
2.
Complete the adjustment as shown below by using the
setup menu.
MENU :
SERVICE
PAGE :
06
*
RP DC OFFSET
ITEM :
R DC OFFSET 180
Specification : The two white vertical lines (A)
appear on the right end of monitor
display when the rotary encoder is
turned to increase the value in the
menu in the positive (
+
) direction.
The two white vertical lines (B)
appear below A when the rotary
encoder is turned to increase the value
in the menu in the negative (
_
)
direction. The two lines of A and B
should have unity brightness.
m
.
Do not change the setting of the R DC OFFSET 0.
.
If the lines A and B are difficult to view on the
screen, open the lens iris a little. It facilitates
viewing of the lines of A and B.
3.
Complete the setting as shown below by using the
setup menu.
MENU :
SERVICE
PAGE :
06
*
RP DC OFFSET
ITEM :
OUTPUT SELECT
→
G
9-6. Black Offset Adjustment
