Promax MO-180 Manual De Usuario página 122

Modulador sfn/mfn dvb-t/h
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Bits
X
1
X
0
YY Hex number whose bits Y
Bits
Y
7
Y
6
Y
5
Page 52
Active
Delay too large
In SFN this bit is 1 when the total delay to
apply to the transport streams (calculated as
tx time offset + local delay offset + maximum
delay) is greater than 1 second. In MFN this
1
bit is asserted when the local delay offset is
greater than 1 second. In both types of
networks the total delay is always internally
limited to 1 second.
ACTION: Reduce any of the parameters
affecting the total delay
Should be always 0
ACTION: Not required
Y
Y
Y
7
6
5
Active
HP&LP SFN adapter error
In SFN hierarchical modes, a single multiple
channel SFN adapter must be used to insert
the MIP packet into the HP and LP transport
streams. When separate MIP inserters are
1
used for the HP and LP TS's, the transmission
time stamps will not be the same and the MO-
180 will not be able to synchronise its output
with the rest of the SFN network
ACTION: Use a multiple channel SFN adapter
LP delay too small
This bit is 1 when the delay to be dynamically
(SFN) or statically (MFN) applied to the input
transport stream is too small (few ms
1
depending
modulator)
ACTION: Increase any of the parameters that
affect the total delay
HP delay too small
Same as right above but for the HP transport
1
stream
ACTION: See above
USER'S MANUAL MO-180
Description
Y
Y
Y
Y
have the following meaning:
4
3
2
1
0
Description
on
the
configuration
of
the
04/2008

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