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DD8
plus Version 2.20 - September 1998
DD8 AS AN RS422 MASTER
The DD8 can be used as an RS422 master using the Sony™ P2 protocol. This means that all
play, jog, shuttle and locate commands are issued from the DD8 allowing you to control a VTR
equipped with RS422 and the DD8 together. Connections should be made as shown below with
the DD8’s RS422 option board output connected to the VTR and the timecode output from the
VTR connected to the DD8’s LTC option board timecode input.
Audio inputs
Audio outputs
RS422
VIDEO
MONITOR
To DD8 SMPTE input
T/C out
House Sync Source
RS422 equipped VTR
DD8 (with RS422 and LTC option boards)
RS422 SETUP PAGE
Pressing the SYSTEM key followed by REMOTE and RS422 takes you to the RS422 SETUP
page where you can setup functions to cater for the VTR’s transport mechanism.
If RS422 MASTER is selected in the RS422 MODE field. You will see this screen:
The parameters are:
VTR PRE-ROLL
Most VTRs require a certain amount of ‘run up’ time when sync’ed to
external equipment. This field sets that time. When a value is set here,
locating to any position will automatically cause the system to locate to a
point slightly earlier than actually specified. In the above example, if you
locate to 1 minute, the DD8 will actually locate to 55 seconds.
SYSTEM - 8
