Sony VPL-S800U Operating Instructions Manual page 28

The INPUT SETTING Menu
CLAMP
Corrects the luminance of the picture.
I N P U T - A
C L A M P : A U T O
INPUT
SELECT S o n G
H / C
PICTURE
CTRL
INPUT
SETTING
SET
SETTING
SEL: SET: ENTER RESET: RESET
INPUT
INFO
EXIT: MENU
CLAMP is used as a standard for setting the black
level of a picture correctly. The standard position of
the clamp depends on the kind of sync signal being
used. Normally, the projector CPU judges the signal
and sets the position automatically. However, the CPU
can misjudge the signal because of noise. If the
luminance of the picture seems to be incorrect (too
dark, the black color is too light, or the luminance is
unstable) the clamp position may need to be changed.
AUTO: Automatic setting mode. Normally set to this
position.
SonG: Set to this position if the black seems too light
or greenish.
H/C: Set to this position if the picture is too dark or
luminance is unstable.
Note
If the luminance is still incorrect after changing the
clamp setting, check the input signal and the
connections.
The items that cannot be adjusted
depending on the types of input signal
Item Cannot be adjusted with
DOT PHASE Signal input from VIDEO IN connectors,
component input signal (15k), 15k RGB
signal input
H FILTER Signal input from VIDEO IN connectors,
component input signal (15k), 15k RGB
signal input
V FILTER Signal input from VIDEO IN connectors,
component input signal (15k), 15k RGB
signal input
(These signals can be adjusted when
SIG PROCESS is set to FRAME.)
SCAN CONV Signal input other than preset memory
numbers 5 to 7, 10 to 17, 25, 26, 31
SIG PROCESS RGB signal input other than 15 kHz one
CLAMP Signal input from VIDEO IN connectors,
component input signal (15k)
28
(EN)