Option Adj; Clamp Timing; Sync Protection; Vd Delay - NEC GT2150 User Manual

Option Adj

Clamp Timing:

According to the signal, this function sets the detection position
(i.e., clamp position) of the black level reproduction of the analog
input signal. Normally this is not used. (1080P is set as the default)
Auto ............. This is the normal setting.
Tri-Sync ....... This is set when projecting HDTV video.
Front Porch .. This is set when the picture quality does not improve even
though Auto or Tri-Sync has been set.
Adjust .......... This permits the video clamp position for each signal to be
set. Use "Adjust" when a clamp timing error occurs at the
time of special analog signal reception such as 1080P. Note
that "Adjust" is not valid for doubler signals such as NTSC
and PAL.
To delete the "Clamp Timing" setting screen, select the SELECT
button and press the ENTER button, or press the remote control
CANCEL button.

Sync Protection

When a VCR, DVD, or some other equipment that supports
Copyguard (a copy prevention system) is played back, the screen
may be displayed in a curved manner. Adjustments are made in
such circumstances. Use the SELECT
VD level.

VD Delay

This feature is used to correct vertical jitter of non-standard inter-
laced signal.
NOTE: When connecting with a scan converter:
If an image from the scan converter is not correctly displayed, adjust to
select the best level point so that the image is displayed correctly.

Signal Type

Select either the RGB signal type or the Component signal type.
RGB ............. RGB signal
Component .. Composite signals such as YCbCr/YPbPr
NOTE: This feature is available on RGB 1 and 2 only.
or button to adjust the
E – 45

Switcher

(available only when used with ISS-6020)

Switcher Gain

This feature adjusts the input level of the signal. This must be done
to each color:R, G, and B.

Switcher Volume

This feature adjusts the volume of the audio output. Adjust the sound
corresponding to the slot.

Volume

Adjusts the sound level of the projector.
NOTE: You can also display the volume bar without opening the menu. See
"Volume Bar (Direct Button)"on page E-48 for more details.

Ref Adj

Keystone

This feature corrects the keystone (trapezoidal) distortion to make the
top of the screen longer or shorter to be the same as the bottom.
Use the or buttons on the slide bar to correct the keystone (trap-
ezoidal) distortion.
Keystone distortion
Normal
Continued on next page.