Tektronix NetTek YBT250, Руководство пользователя

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Locating Interference
3- 54
YBT250 Field Transmitter & Interference Tester User Manual
To use the GSM channel scanner:
1. Connect the antenna and filter (if used) to the RF input using
high quality cabling. See the note on page 3--58.
2.
Select a GSM/EDGE signal standard.
3.
Select a channel.
4. Tap the Interference button.
5. Tap the Scan tab.
6. Tap Start and Stop to enter start and stop channel numbers.
Figure 3--28 shows a typical GSM Channel Scanner display.
Figure 3- 28: A typical GSM Channel Scanner display
The graph displays the power of the channels in the specified
channel range (if Graph: All is selected), the channels as listed in the
measurement table (if Graph: From Table is selected), or the top 20
channels by power (if Graph: Top 20 by Power is selected).