crescendo RTC2200 Manuale d'uso - Pagina 5

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Figure 2 RTC2200 printed circuit board

JP1:

Manual input select. To select the component inputs JP1 should be shorted, leave

open to select the RGB inputs.

JP2:

To automatically select the input based on the presence of H-sync at the RGB

input JP2 should be shorted, for manual input select keep JP2 open.

JP3:

For automatic color space select JP3 should be shorted. Keep JP3 open for manual

color space selection.

JP4:

Jumper for manual color space selection, open means standard definition color

space, shorted selects high definition color space. Warning: shorting JP3 and JP4

at the same can cause damage to the RTC2200.

JP5:

For automatic horizontal sync selection this jumper should be shorted, leave open

to manually set the H-sync width and delay.

JP6:

For manual horizontal sync selection this jumper should be shorted, leave open

otherwise. The two 25-turn potmeters on the back labeled H-DELAY and H-

WIDTH can now be adjusted with a small screwdriver in order to set the desired

horizontal sync delay and horizontal sync width. Turning the potmeters clockwise

will increase the value. Warning: Increasing the delay or the width to its

extremes may cause the black level clamp action to intrude into the picture. This

will cause the left side of the picture to disappear or the picture to change

brightness. In that case please reduce either the delay or the width.

JP7:

Short this jumper for negative horizontal sync at the output, leaving it open sets a

positive horizontal sync.

JP8:

For automatic vertical sync selection this jumper should be shorted, leave open to

manually set the V-SYNC width.

RTC2200 users manual v1.0