PT 5780 DVB-T Modulator
ProTelevision Technologies
RS232 Communication
Instruction Manual
Revision 3.11
6-21
Continued from previous page
ID Number Alarm Source/Condition
Description
6
Timing adjusted
Indicates that the modulator has adapted
the internal system clock or internal
1PPS timing to allow for a mismatch
between the local network timing
reference (10MHz and 1PPS) and the
timing reference (MIP) embedded in the
incoming transport stream.
NOTE: ONLY AVAILABLE WITH SFN
OPTION PT 8732
7
1PPS Reference loss
Indicates that external 1PPS reference is
absent (operation may continue based on
internal 1PPS provided instrument was
correctly synchronised before loss of
external 1PPS).
NOTE: ONLY AVAILABLE WITH SFN
OPTION PT 8732
8
Mega-Frame (MIP) Loss
Indicates that no valid MIP is available in
the applied transport stream.
NOTE: ONLY AVAILABLE WITH SFN
OPTION PT 8732
9
RF converter
Indicates that an alarm has been raised
for the RF converter module
NOTE: ONLY AVAILABLE WITH RF
CONVERTER OPTION PT 8715
10
RF tuner
Indicates that an alarm of the specified
type has been raised for the RF tuner
module.
NOTE: ONLY AVAILABLE WITH DVB-T
RE-MODULATOR PT 5788
11
RF Tuner level
Indicates that the RF input level has
dropped below the threshold specified via
the ALAR:LIM:RFTL command.
NOTE: ONLY AVAILABLE WITH DVB-T
RE-MODULATOR PT 5788
12
Demodulator 1
Indicates that an alarm has been raised
by demodulator 1 to signal that one or
more of the set thresholds have been
exceeded. The thresholds are specified
via the commands ALAR:LIM:BERB,
ALAR:LIM:BERB and ALAR:LIM:UCER.
NOTE: ONLY AVAILABLE WITH DVB-T
RE-MODULATOR PT 5788
continued
Summary of Contents for PT 5780
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