AOC 193FWK manual RED Green, Blue, Clock

TECHNICAL SUPPORT (FAQ)

Problem & Question

Possible Solution

Power LED is not on

*Check if the Power Switch is in

the ON

position

*Power Cord should be connected

No Plug & Play

*Check if the PC system is Plug

& Play

compatible

*Check if the Video Card is Plug

& Play

compatible

*Check if the D-15 plug pin of Video

Cable is bent

Picture is fuzzy

*Adjust the Contrast and Brightness

Controls.

Picture

bounces

or a

wave*Move electrical devices that may cause

pattern is present in the

pictureelectrical interference.

The power LED is ON (orange)*Computer

Power

Switch should

be

in

but there￿s no video

or theno ON position.

picture.

*Computer Video Card should be snugly

seated in its slot.

*Make sure monitor￿s video cable is

properly connected to the computer.

*Inspect monitor￿s video cable and make

sure none of the pins are bent.

*Make sure computer is operational by

hitting the CAPS LOCK key on the

keyboard while observing the CAPS

LOCK LED.

The LED should either

turn ON or OFF after hitting the CAPS

LOCK key.

Missing one of the primary*Inspect

the monitor￿s video

cable and

colors

(RED,

GREEN,

ormake sure that none of the pi

BLUE)

bent.

Screen image is not centered*Adjustor

pixel

frequency

(CLOCK)

and

sized properly.

FOCUS or press hot-key (AUTO).

Picture has color defects

*Adjust RGB color or select

color

(white does not look white) temperature.

Horizontal

or

vertical*Use win

95/98

shut-down

mode

Adjust

disturbances on the screen CLOCK and

FOCUS or perform

hot-

key (AUTO-key).

CLOCK (pixel frequency) controls the number of pixels scanned by one horizontal sweep. If the frequency is not correct, the screen shows vert stripes and the picture has not correct width.

FOCUS adjusts the phase of the pixel clock signal. With a wrong phase adjustment the picture has horizontal disturbances in light picture.

For FOCUS and CLOCK adjustment use ￿dot-pattern￿or win 95/98 shut- down mode pattern.

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