Tektronix CMD 80, Руководство пользователя

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Analog: Module Test
3–98
CMD 80 Digital Radiocommunication Tester User Manual
H
Modulation frequency. Press the MODULATION FREQUENCY softkey to
set the audio frequency of the signal that modulates the base station carrier.
H
Modulation peak deviation. Press the MOD PEAK DEVIATION softkey to
set the deviation used to modulate the test tone in the RF output of the tester.
You can also use this softkey to turn off the modulation peak deviation.
H
Supervisory audio tone peak deviation. The supervisory audio tone deviation
is the amount of deviation that the base station uses to transmit the SAT to
the mobile station. Press the SAT PEAK DEVIATION softkey to set the
amount of deviation used.You can also use this softkey to turn off the SAT
peak deviation.
NOTE
. You can set the SCC (SAT color code) in the ANALOG MODULE TEST
CONFIG MAIN menu (refer to page 3–101).
You can also change the following AF Generator settings:
H
Frequency. Press the FREQUENCY softkey to adjust the frequency of the
internal AF Generator.
H
Level. Press the LEVEL softkey to adjust the level of the internal AF
Generator. You can adjust the level to achieve the audio peak deviation target
value that is displayed in the menu. You can also use this softkey to turn off
the AF Generator.
Figure 3–69 shows the menu with NAMPS selected as the standard.
Figure 3–69: Analog module test menu for NAMPS standard