Casio QV-770 Specifications download pdf (Page 11)

— 9 —

(1) Transaction

(2) Display

(3) Check

(4) Supplement

1. 10-step black

and white display

2. Color bar display

3. Cross hatch dis-

play

4. 50 percent white

raster display

5. Gray raster dis-

play

Displays black and white

bar gradated in 11 steps

Provides color bar signal to

the LCD and TV monitor

(displays 75 % white level

VIDEO signal)

Provides cross hatch sig-

nal to LCD and TV monitor

(displays white line mesh

on black display)

Provides brightness 50 %

gray signal to LCD and TV

monitor. Used for VCOM

DC adjustment on PCB-L.

Provides brightness 50 %

gray signal to LCD and TV

monitor

Displays 10-step black and white bar on the

LCD and TV monitor

Displays color bar on the LCD and TV monitor

Displays cross hatch on LCD and TV monitor

Displays brightness 50% gray color on LCD

and TV monitor.

Displays brightness 50% gray color on LCD

and TV monitor.

When checking with an os-

cilloscope, terminate it with

75 ohm resistance. Returns

to Test mode display by [+]

or [–] buttons.

When checking with an os-

cilloscope, terminate it with

75 ohm resistance. Returns

to Test mode display by [+]

or [–] buttons.

When checking with an os-

cilloscope, terminate it with

75 ohm resistance. Returns

to Test mode display by [+]

or [–] buttons.

When checking with an os-

cilloscope, terminate it with

75 ohm resistance. Returns

to Test mode display by [+]

or [–] buttons.

When checking with an os-

cilloscope, terminate it with

75 ohm resistance. Returns

to Test mode display by [+]

or [–] buttons.

Utilized for brightness volt-

age and contrast adjust-

ment on PCB-L.

Make sure that white level

75% color bar is outputted

from VIDEO OUT terminal.

Refer to page 18 for VCOM

DC adjustment on PCB-L.

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