Original Independent Commands
(Continued from previous page)
T
he final two original independent LaserBarcode commands are designed for use in barcode
development and testing. The Debug On and Debug Off commands allow the barcode
developer to test printed barcodes to determine their accuracy. They are described below:
13.
Debug On
- Instructs the player to maintain various player settings so that barcodes
can be tested. For example: If the Display is turned on by the user through the remote
control unit or front panel button, scanning Debug On will instruct the player to
maintain that setting for subsequent barcode commands. Normally, when barcodes are
transmitted to the player, the Display is turned off. Debug On will also instruct the
player to maintain previously set video and audio attributes. So, if the player is set to
stereo with the video on, these attributes will be maintained even if the barcode you
scan changes the attributes to a different setting. Again, this is done so the developer
can test the accuracy of the general operation of the barcode.
14.
Debug Off
- Instructs the player to disable the Debug On mode and allows exact
execution of the barcode as defined. Debug Off need only be used if Debug On has
been previously set.
Extended Independent Commands
(CAV or CLV discs, unless indicated)
15.
Start
- Instructs the player to spin up the disc from a park position and pause
at frame 1 (CAV discs) or time number 0:00:00 (CLV discs) with video squelched.
16.
Digital Stereo
- Sets the audio control attribute to "digital stereo," plays back left
and right digital audio channels simultaneously.
17.
Digital - Ch 1/Left
- Sets the audio control attribute to "digital channel 1," plays
back digital left channel only.
18.
Digital - Ch 2/Right
- Sets the audio control attribute to "digital channel 2," plays
back digital right channel only.
NOTE:
Many discs do not have digital audio. Digital audio playback can only be
implemented if digital audio is encoded on the disc. Please refer to the documentation for
the particular videodisc in use.
NOTE:
The Slow Forward and Slow Reverse commands below can only be used with CAV discs.
19.
Slow Forward 1*
- Instructs the player to play forward at 1/4 the normal speed.
20.
Slow Forward 2
- Instructs the player to play forward at 1/8 the normal speed.
21.
Slow Forward 3
- Instructs the player to play forward, displaying 1 frame / sec.
22.
Slow Forward 4
- Instructs the player to play forward at 1 frame / 3 seconds.
23.
Slow Reverse
1
- Instructs the player to play in reverse at 1/4 the normal speed.
24.
Slow Reverse
2
- Instructs the player to play in reverse at 1/8 the normal speed.
25.
Slow Reverse
3
- Instructs the player to play in reverse, displaying 1 frame / sec.
26.
Slow Reverse
4
- Instructs the player to play in reverse at 1 frame / 3 seconds.
LaserBarcode Standard Commands & LaserBarcode Logo
Appendix D LaserBarcode 2 Commands & LB Logo
TP 116
v1.1 • 9/93
D-7
* The Slow Forward and Slow Reverse speeds indicated are for Pioneer LB2 compatible players. These barcode
commands may execute differently on other manufacturers’ players because of the range of playback speeds allowed
within the LB2 standard. See Note at bottom of page D-4.
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