380
Index
probe points (Autotests), selecting 186
proofing and testing, FCC regulations 335-342
proof-of-performance tests 19-20
proof-of-performance, automatic tests 179
PSK (Phase-Shift Keying) modulation 369
Pulse Amplitude Modulation (PAM) 368
pulse modulation 104
Q
QAM (Quadrature Amplitude Modulation) 52,
149, 155, 158, 369
channel plans
softkey 52-53
digital stream 46
channel, configuration 51-52
Function keys 14
Ingress Mode 160-166
modulation 49
modulation format 155
signal lock errors 151
symbol rates 169
QAM Ingress
digital analysis 151-152
Maximum Hold Function 165
scale parameter 164
QPSK modulation 104
R
random noise, troubleshooting 97
receiver modes, selecting 305-306
record keeping regulations 335
reference files, sweep
categories 201-202
deleting 202
identification 203
obsolete 203
storing 202
uploading 199, 248
reference level 369
digital analysis 164
references 302-303
reverse sweep 322
remote channel plans, copying 56
Remote measurement trace 143
results files, Autotests 188, 257
return path
ingress/egress, testing 333
PathTrak mode 141
test location considerations 330, 331
troubleshooting, CPD 329-330
Zero Span mode 131
REV Compensation screen 69
reverse amplifier alignment 19, 303-304
Reverse Amplifier Alignment screen 90-92
Reverse Frequency screen 86
reverse injection levels 83
Reverse Level screen 86
Reverse Levels 69
reverse noise 68
reverse noise broadcast 304-305
Reverse Noise Frequency 89
Reverse Noise Level screen 88
Reverse Noise screen 87
reverse path troubleshooting
advanced services 96-97
comparing headend to local noise spec-
trum 99
CPD 100-101
setup 101, 102
CSO 98
ingress sources 97
locating source 98
methods 98-99
noise 96-97
physical plant 97
SDA-5000 95
spectrum analysis 98
TDMA 102-106, 107
intermittent ingress 106
tools 99
reverse sweep 19, 68, 82-92, 300-301, 369
alignment 7
channel plans
creating 291-294, 320
editing 294-295
SDA-5500 290-295
SDA-5510 290-295
selecting 294
common problems 324-326
concept 284-285
configuration 75
SDA-5500 284-290, 291
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