Panasonic PT-LB90NTU, PT-LB90U, PT-LB78VU Realtime Keystone, Shift, DOT Clock, Clock Phase

Settings

POSITIONmenumenu

Navigating through the MENU (Æpage 27), select POSITION from the main menu and then select the required item from the sub-menu.

zzSet the selected item with ▲▼◄► buttons.

Remote control Control panel

REALTIME KEYSTONE

If the projector is aligned non-perpendicularly to the screen, or if the projection screen has an angled surface, the keystone will be corrected automatically.

Change setting Change setting

ON	Active
OFF	Deactive

KEYSTONE

If you need to correct the angle of the projection even when the REALTIME KEYSTONE is activated, you can correct the keystone manually.

Image Operation

Remarks

zzYou can correct the distortion ±30 ° from the plane. For a better quality image, installing the projector with a minimum of distortion is recommended.

zzThe distortion of the Main menu screen is not correctable.

zzThe result of the keystone correction will affect the aspect ratio and the size of the image.

SHIFT

SHIFT	H	0
	V	0

Horizontal (H): Press ◄► buttons to move the image horizontally.

Vertical (V): Press ▲▼ buttons to move the image vertically.

Remarks

zzThe image cannot be moved while network signals are input.

zzPress ◄►▲▼ buttons to move the image.

SHIFT V

(Available with signal of network only while ASPECT is set to H FIT)

Press ◄► buttons to move the image vertically.

DOT CLOCK

If you have interference patterns of the projected image, which is sometimes referred to as moire or noise, you can minimize it by pressing ◄► buttons to adjust the clock frequency.

(Available with signal of RGB (Still image) only).

Note

zzDOT CLOCK needs to be adjusted before adjusting the CLOCK PHASE.

CLOCK PHASE

If you require further adjustment for the same reason as the DOT CLOCK adjustment, you can fine adjust the timing of the clock. (Available with signals of RGB/ YPBPR only)

Press ◄► buttons to adjust.

Remarks

zzIf the projecting signal’s dot clock frequency is higher than 150 MHz, the adjustment of DOT CLOCK or CLOCK PHASE may not make a difference. See “List of compatible signals”. (Æpage 52)

32 - ENGLISH