Promax MO-170 Manual De Instrucciones página 81

USER'S MANUAL. MO-170
Bits b7 and b6 are always "0".
Bits b5 to b2 have meaning if the equipment is working in MASTER mode. They
indicate the state of synchronisation of the modulator with the MPEG-2 input TS (HP or
LP), as follows:
b5: HP TS buffer full. The input TS bit rate is above the maximum value. You
must reduce the transport stream bit rate. If the hierarchical mode is activated,
this error refers to the high priority TS (HP TS).
b4: LP TS buffer full. The input TS bit rate is above the maximum value. You
must reduce the transport stream bit rate. If the hierarchical mode is
activated, this error refers to the low priority TS (LP TS).
b3: HP TS sync lost. The synchronisation with the input TS has been lost.
The most probable cause is that an input transport stream is not available or
that it has been temporally disconnected. If the hierarchical mode is on, this
error refers to the high priority TS (HP TS).
b2: LP TS sync lost. The synchronisation with the input TS has been lost. The
most probable cause is that an input transport stream is not available or that it
has been temporally disconnected. If the hierarchical mode is on, this error
refers to the low priority TS (LP TS).
Bits b1 to b0 have meaning if the equipment is in SLAVE mode. If we are in
hierarchical mode, the information applies to the TS selected for synchronisation (HP or
LP). In non-hierarchical modes, we refer to the main TS. The meaning of each bit is as
follows:
b1: TS sync lost. The synchronisation with the input TS has been lost. The
most probable cause is that an input transport stream is not available or that it
has been temporally disconnected.
b0: Valid TS rate. This bit is erroneous when its value is "0". The data rate
at the TS input is either too high or too low for the DVB-T configuration being
used. Recall that this bit rate should be within ±0.1‰ of the values shown in
the Tables of section 4.10.
Therefore, if the hex
MASTER mode in any of the hierarchical modes, we must split the binary code and
analyse each bit separately in order to determine the type of failure:
HEX
24
12/2006
XX value shown is, for example, 0x24, and we are in
b7 b6
b5 b4
0 0 1 0
b1 b0
b3 b2
0 1 0 0
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