Download Wavetek 147 Specifications
Transcript
Channel Plans: Setting Channel Plan Parameters 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. 3 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. 52