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The Link Electronics PDR-870 is a high performance Closed Caption Decoder for the NTSC and PAL systems. It is capable of processing and displaying all standard closed caption format transmissions--including the EIA-608 Extended Character Set--in the manner of a typical closed caption decoder.
Encoding can be NTSC, PAL, on field 1 or field 2 of line 21; this encoding works well with the old system and with updated FCC specifications.
Nine standard data channels are supported by the PDR-870: Captions channels 1 thru 4 (CC1-CC4), Text channels 1 thru 4 (T1-T4) and Extended Data Services (XDS).
This unit is V-Chip compatible, therefore does not let the closed caption signal interfere with the V chip information.
This unit will auto detect the incoming television system signal and adjust to the correct parameters.
A test function is actuated with a front panel button; this test signal places a text message on line 21 to confirm proper operation.
Front Panel Operation
The various decoding channels are selectable by four front-panel toggle switches. Additional front-panel toggle switches provide NTSC/PAL video standard selection, drop-shadow or box character keying, and internal/external video. The internal video function allows the PDR-870 to generate its own video as a medium for producing open captions.
This unit was designed to fit in a 1 rack unit space.
In the Box
Link Electronics PDR-870 Closed Caption Decoder and Character Generator - Composite, Y/C, NTSC PAL, RS-232, Rackmountable
10 Year Warranty
Table of Contents
Composite Video, Looping, 1 Vpp @ 18K ohms, on a BNC connector Y/C S-Video, Y: 1 Vpp C: 0.6 @ 75 ohms, on a 4-Pin connector or 2 BNCs RS-232 Remote, on 9-Pin connector
Composite Video x2, 1 Vpp @ 75 ohms, on BNC connectors Y/C S-Video x2, Y: 1 Vpp C: 0.6 @ 75 ohms, on a 4-Pin connector and 2 BNCs
Front Panel:Power On/Off ByPass Test XDS On/Off Mode CAP/TEXT Channel 1/2 Field 1/2 NTSC/PAL Manual Background Level Adjust