Pioneer LD-V8000 Level III User Manual page 121

Industrial laserdisc player
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48) REGISTER B SET
Function:
Changes the current setting of Register B. (Squelch Control)
Format:
Integer
Explanation:
In Register B, attributes concerning the squelch switch for video
and audio are set. The squelch switch is normally controlled
automatically in accordance with the operating mode of the player.
In the modes where pictures and sound are not clearly
reproduced, the squelch switch prevents the noise from being
displayed or heard. (i.e. During scanning, audio is squelched.)
By rewriting the contents of the Register B, it is possible to make
the squelch switch invalid. In this state, the video and audio
signals are always going out.
The initial value is 0.
It must be noted that these signals may contain noise components
which may adversely affect equipment connected to the output of
the player. Therefore, the operation must be fully understood
before this function is used.
Integer
Execution:
* Avoid the video squelch during searching.
128 R B 23000 S E 0 R B <C/R>
* Play at 1/2 speed while issuing sound.
64 R B 30 S P M F <C/R>
* Set to Still and return to normal squelch.
ST0RB <C/R>
LD-V8000 Level I & III User's Manual
LD-V8000 Level I & III • Chapter Four
Function
0
Normal
64
Audio Squelch Invalid
128
Video Squelch Invalid
192
VD/AD Squelch Invalid
Figure 4-V
R B
R <C/R>
R <C/R>
R <C/R>
TP 113 v. 2.1 • 2/93
REGISTER B SET
Video
Audio
0
0
0
1
1
0
1
1
4-51

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