CONFIGURATION. Digital Processing Systems DPS-470

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DPS-470 Operator’s Manual

Configuration

DIP Switches

LCD Intensity

There are eight DIP switches located near the front edge of the DPS-470 board. DIP switches 1 and 2 can adjusted. DIP switches 3-8 are reserved for factory use and should not be changed.

Closed Caption Processing (DIP Switch 1)

Change this DIP switch of the closed caption lines 21 and 22 of fields 1 and

2 are to be processed through the COMB filter or to be bypassed.

• UP

• DOWN

COMB Filter Active during closed caption lines

Closed Caption Bypass COMB Filter

•

•

Vertical Interval Processing (DIP Switch 2)

Selects the function of the COMB filter during the vertical interval synchronizer mode.

UP

DOWN

Band-Pass mode

Bypass mode

To change the LCD intensity, the top cover must be removed. Remove the screws that secure the top cover to the chassis and lift off the cover. The

LCD intensity adjustment will be visible behind the front panel near the front left corner of the board (see diagram, next page). Use a small flat-head screwdriver to set the desired intensity.

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