3.7 Example of systems for Digital Video Recorder (1 unit)

This is a post-production system consisting of the WR-DA7 and the Digital Video Recorder. The audio signals are connected using the AES/EBU digital audio option card. The WR-DA7 receives SMPTE timecode from the Digital Video Recorder for it’s editing and automation operations.

Method of connection

Insert the option card of WR-AESS (Slot 1) and the WR-SMPTE (option card) in the WR-DA7 and fasten them to the console using the supplied screws. Select the switches on the WR-AESS card to AES/EBU.

Make the connections to the digital I/O terminals of the WR-DA7 and the Digital Video Recorder (WR-AESS card: D-sub 25-pin connector, Digital Video Recorder: XLR connector;

Use the House Video Sync signal to REF IN (BNC) of the Digital Video Recorder, and make the connection from REF OUT to V-SYNC IN of the WR-DA7.

The termination of the Digital Video Recorder REF should be set to 75 Ohm=OFF.

The timecode is transferred from the SMPTE OUT (XLR) of the Digital Video Recorder to the SMPTE IN (XLR) of the WR-DA7.

WR-DA7 setting

Set the SOURCE SELECT to ‘V-SYNC’ in the INPUT SET screen of D-I/O area in order to produce synchronization with the V-SYNC input.

To display the SMPTE timecode received at the SMPTE IN, set the TIME BASE to ‘SMPTE’ in the EXECUTE window of Automation Setup Section

Digital Video Recorder settings: To receive AES/EBU digital audio, make the settings of ‘DIGITAL IN’ on the LCD screen.

A ‘CHANNEL STATUS CRCC ERROR’ may be displayed during Digital recording from the DA7.

This is; however, a message in regards to the sub-code signal, even with this being displayed proper audio recording and playback should be performed.

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Teac WR-DA7 manual Example of systems for Digital Video Recorder 1 unit