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4.
TECHNICAL DESCRIPTION
4.1.
OVERVIEW
4.2.
JUMPERS AND SWITCHES
Switch
Name
1
Not used
2
Not used
3
Not used
4
Not used
5
Not Used
6
Factory Reset
7
Diagnostics
8
Not used
TECHNICAL DESCRIPTION
Model 5950-SID VITC Reader / Source ID Decoder Manual
The model 5950-SID VITC reader / source ID decoder contains VITC
reader which can read at speeds from still frame to in excess of 40 times
play speed. The VITC reader is designed for use with non time base
corrected video signals.
enhance the recovery range of the VITC reader, the amount of
improvement is dependent on the type of TBC and transport being used.
The model 5950-SID contains all the necessary video processing circuits
and therefore, requires no external signals other than the video signal itself.
The video character inserter contains a high resolution character inserter
which provides white or black characters keyed into the video with or
without a contrasting background. Character size and raster position are
software selectable. The character display may be used to show time or
user bits. Each of the windows can be turned on and off and positioned
independent of each other.
The character inserter is also used for the on Screen Programming menus
which are used to set up the various operational modes of the model 5950-
SID.
Figure 4-2 shows the location and function of the switches and jumpers
inside the model 5950-SID. The jumper positions marked in bold face type
are the default settings.
4.2.1. DIP Switch Functions
The main circuit board of the 5950-SID contains an 8 position DIP switch
which is used to invoke various diagnostic and calibrations functions. The
functions of each switch are described below.
Normal
Function when Open
Open
Open
Open
Open
Open
Open
none
Open
none
Open
Figure 4-1: DIP Switch Functions
When in Diagnostics mode the following key presses initiate various
diagnostics modes.
Although the use of time base correctors will
Function when Closed
Resets 5950 to factory defaults on
power up
Enters diagnostics mode on power up
Page 4-1
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