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How to Confirm the DTV Tuning Status on the Digital Tuner Service Menu
If block noise is generated, it is necessary to acquire the DTV Tuning Status for the reception frequency of the signal in
which block noise is generated. For comparison, it is also necessary to acquire the DTV Tuning Status for another
reception frequency of the signal in which block noise is not generated. The DTV Tuning Status page to be acquired is
shown below:
DTV Tuning Status (1/3)
B
DTV Tuning Status (2/3)
C
BER (Pre-V) : Pre-Viterbi Bit Error Rate of the signal currently being
D
received.
BER (Post-V) : Post-Viterbi Bit Error Rate of the signal currently being
received. If the value is 2.000E-04, block noise is not
caused by a problem in the tuner.
Packet Error : Packet error count of the signal currently being received.
If the packet error count is "0," block noise caused by
the tuner will not be generated.
Time
: Measured duration of BER (Pre-V), BER (Post-V), or
Packet Error. To reset the value to 0 and restart
measuring, press the k or l key on the remote
control unit.
E
F
48
1
2
Frequency
Band Width : Bandwidth of the signal currently being received.
FFT
Modulation
Code Rate
Guard
FEC Lock
IF AGC : IF AGC level of the signal currently being received.
The AGC-level limits in normal reception are shown below.
Use the following values only as a guide, because they may
be affected by the reception environment.
MER
: Quality of the signal currently being received.
The signal qualities in normal reception are shown below.
Use the following values only as a guide.
KRP-M01
2
3
: Frequency of the signal currently being received.
: FFT mode of the signal currently being received
(2K or 8K).
: Modulation method for the signal currently being
received.
: Code Rate of the signal currently being received.
: Guard Interval of the signal currently being received.
: Current lock status of the receiver. The available lock
statuses are as shown below:
DEMOD_LOCK
FEC_LOCK
DRX_LOCK
UNLOCK
Signal-level Limit in
Modulation Code Rate
Normal Reception
QPSK
1/2
2/3
3/4
5/6
7/8
16QAM
1/2
2/3
3/4
5/6
7/8
64QAM
1/2
2/3
3/4
5/6
7/8
MER Limit in
Modulation Code Rate
Normal Reception
QPSK
1/2
2/3
3/4
5/6
7/8
16QAM
1/2
2/3
3/4
5/6
7/8
64QAM
1/2
2/3
3/4
5/6
7/8
3
4
100
100
100
100
100
100
100
100
100
100
100
58
56
55
54
93
85
67
76
82
98
116
127
138
145
140
170
184
197
206
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