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Idiomas disponibles
Idiomas disponibles
To select the options on this screen press button
selector [4].
According to the information appearing on the screen in figure 20, the
demodulator has detected 45 W.P. events, i.e. non-correctable packets, starting at
13:23 and for a time interval of 3 minutes.
On initiating an acquisition by pressing the rotary selector [4] over the Run
option, then appears a message warning that the beginning of a new acquisition
supposes the erasure of the data corresponding to the previous one. Press the key
[31] and the rotary selector [4] to confirm the action, the instrument will record the
events produced during reception of the MPEG-2 / DVB Transport Stream, in
accordance with the TR 101 290 standard of the Measurement guidelines for DVB
systems defined by the ETSI (European Telecommunications Standards Institute).
TEST
NAME
SINC. P
1.1
(TS_sync_loss)
SINC. B
1.2
(Sync_byte_error)
1.3
PAT (PAT_error)
2.1
TEI (Transport_error)
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Figure 20.- W.P. measurement.
Loss of synchronization with consideration of hysteresis
parameters.
Sync_byte not equal 0x47.
PID 0x0000 does not occur at least every 0.5 s.
A PID 0x0000 does not contain a table_id 0x00
(i.e. a PAT)
Scrambling_control_field is not 00 for PID 0x0000.
Transport_error_indicator in the TS-Header is set to "1".
Table 2.- Description of W.P. available tests.
USER'S MANUAL. PROLINK-4
[31] and/or the rotary
CHARACTERISTICS
02/2003
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