Panasonic WV-BM1900 - Manual (Page 12)

OPERATING PROCEDURE
1. Set the Power On/Off Switch (2) to the ON position.
OFF*^ ioN
POWER
2. Adjust the Bright Control (8) and Contrast Control
( 10 ).
4.
BRIGHT CONTRAST
Adjust the Horizontal Hold Control (4) until the pic­
ture is stabilized, if the picture slips to either side,
or appears as a series of horizontal strips.
Adjust the Vertical Hold Control (6), if the picture
rolls up or down.
7.
Height Control
This recessed screwdriver control should be
adjusted simultaneously to give proper vertical
height consistent with good vertical linearity.
Adjustment should be made to extend the picture
limits approximately 1/10" beyond the top and bot­
tom edges of the mask at over scanning operation.
Vertical Linearity Control
This recessed screwdriver control should be
adjusted to give good vertical linearity.
Underscanning Operation
Set the Scan Size Switch (3) to the UNDER posi­
tion to obtain the underscanning.
M.
NORMAL
H-HOLD V-HOLD
UNDER
SCAN SIZE
DC Restoration
DC restoration circuit provides a stable reference
for the black level. Set the switch to the ON posi­
tion to prevent excessive contrast and preserve
shadow detail.
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10
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