Cisco Cisco Videoscape Voyager Vantage 3.3 Betriebsanweisung
137
Services Diagnostics
N/W and Tuning Status Screen
Channel
The channel number and the status
for the tuned channel.
for the tuned channel.
Clear to Air (unencrypted)
Free Preview
Purchased (for pay-per-view)
Subscription
Unauthorized
Note:
An unauthorized channel may
display unauthorized for a few
seconds and then it changes to n/a
when the unauthorized barker
appears.
seconds and then it changes to n/a
when the unauthorized barker
appears.
Source Id
The source identification number for
the tuned channel.
the tuned channel.
[Channel-dependent]
(hexadecimal format)
BFS Dir
The date and time (MMDD.hhmmss)
that the BFS directory was last read.
that the BFS directory was last read.
[Time]
Example:
0507.150027
MPEG Stats
Video
The program identifier (PID) number
within the MPEG stream that contains
the video information being decoded.
within the MPEG stream that contains
the video information being decoded.
[Channel-dependent]
n/a: Tuned to an analog channel
Audio
The PID number within the MPEG
stream that contains the audio
information being decoded.
stream that contains the audio
information being decoded.
[Channel-dependent]
n/a: Tuned to an analog channel
PCR
The PID number that is used to
decode the program clock reference
(PCR) information.
decode the program clock reference
(PCR) information.
Note:
The PCR PID is typically the
same as the video PID.
[Channel-dependent]
n/a: Tuned to an analog channel
PCR Lock
The time stamp of the last PCR
synchronization lock.
synchronization lock.
[Integer > 0]: Number should
change each time the screen
refreshes; otherwise video may
be lost
change each time the screen
refreshes; otherwise video may
be lost
n/a: Tuned to an analog channel
A/V Disc
The sum of the discontinuity errors
encountered on either the audio or
video streams.
encountered on either the audio or
video streams.
Note:
Discontinuity errors indicate
that packets were transmitted out of
order or with a gap between them,
which indicates data loss.
order or with a gap between them,
which indicates data loss.
0: No discontinuity errors
[Integer > 0]: Could indicate a
problem
problem
Note:
If A/V Disc is high, an issue
such as macroblocking may be
present.
present.
n/a: Tuned to an analog channel
Table 2
N/W and Tuning Status Screen (continued)
Field Name
Description
Possible Values