Channel Plans: Setting Channel Plan Parameters
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4. Press the down diamond key to highlight Standard and press Enter to
edit the current selection. Use the down diamond key to select the
appropriate Signal Standard and press Enter.
Fig. 3-11 EDIT CHANNEL Menu Screen (Inverted Spectrum)
5. To edit other channel parameters on the menu as necessary (such as
Frequency, Channel Number, Label, Sweep Channel, Symbol Rate,
and Noise Offset) follow the same process: Press the down diamond
key to highlight the selection to be edited, press Enter, use the down
diamond key to edit the parameter or the keypad to enter the
appropriate data, and press Enter to select it.
6. If the default setting for Inverted Spectrum is incorrect, press the
diamond key to highlight Inverted Spectrum and press Enter to edit
the current selection. Use the down diamond key to select the
alternate choice, and press Enter (see Figure 3-11).
7. Repeat this process as necessary to configure each QAM Digital
Stream channel in your channel plan.
Inverted Spectrum Features
• Frequency Tuning: When frequency tuning in the QAM measurement
modes, the QAM signal is demodulated as a non-inverted spectrum.
• Channel Plans: When using the soft key to add a new channel to the
channel plan, the new channel will be assigned the next channel
number. If the initial channel is a QAM channel, the new channel will
receive the initial setting for Inverted Spectrum.
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