Envision Peripherals EN7220 user manual Technical Support FAQ, Input not Support

EN7220

TECHNICAL SUPPORT (FAQ) (cont)

CLOCK (pixel frequency) controls the number of pixels scanned by one horizontal sweep. If the frequency is not correct, the screen shows vertical 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.

ERROR MESSAGE & POSSIBLE SOLUTION

CABLE NOT CONNECTED :

1.Check that the signal-cable is properly connected , If the connector is loose, tighten the connector’s screws.

2.Check the signal -cable connection pins for damage.

INPUT NOT SUPPORT :

Your computer has been set to unsuitable display mode. Set the computer

to a display mode given in the Preset Display Modes table.

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