3-3
SCAN:
Use the Scan mode to get a good look at absolute carrier
levels. In this mode a bar graph showing all carrier levels is
displayed.
SWEEP:
Tests frequency response of the cable system by measuring
low level signals injected by the 3ST Transmitter in vacant
spectrum areas, and monitoring cable system carrier levels
in occupied spectrum areas.
C/N:
Measures the C/N ratio of the tuned channel or frequency.
HUM:
Measures the hum modulation of the tuned channel in
either % or dB as selected by the operator.
MOD:
Allows the user to listen to the modulation of the tuned
channel or frequency and measure Depth of Modulation of
a video carrier.
SPECT:
Provides a Spectrum Analyzer display, and CSO/CTB
measurements.
3.2.3 Support Mode Selection Keys
Support modes are accessed using the Support Mode Selection keys.
There is a key for each of the three support functions. These keys
are located below the Measurement Mode Selection keys and to the
left of the Arrow keys.
File:
Allows the user to access measurement and reference files.
Auto:
This function provides automated FCC 24 hour testing
capabilities.
Summary of Contents for 3SR
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