Troubleshooting

Imaging Problems

Display position is incorrect

Image vibrates on the screen

Vertical flicker appears

Horizontal flicker appears

The screen is too bright or too dark

An after-image appears

An afterimage remains after the power has been turned off.

●Press the Auto button.

●Adjust the image position using the Horizontal Position and/or Vertical Position in OSD Main Controls.

●Check that the signal cable is properly connected to the graphics board or PC.

●Press the Auto button.

●Eliminate the vertical bars using the Clock Adjustment of VIDEO NOISE in OSD Main Controls.

●Press the Auto button.

●Eliminate the horizontal bars using the Phase Adjustment of VIDEO NOISE in OSD Main Controls.

●Adjust the contrast and brightness in OSD Main Controls. (The backlight of the LCD monitor has a fixed life span. When the screen becomes dark or begins to flicker, please contact your dealer.)

●If an image remains on the screen for an extended period of time, it may be imprinted in the screen and leave an afterimage This usually disappears after a few hours

●This is characteristic of liquid crystal and is not caused by a malfunction or deterioration of the liquid crystal. The afterimage will disappear after a period of time.

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Philips 170C4 user manual Imaging Problems