Tektronix CMD 80, Руководство пользователя

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Analog: Configuration
3–138
CMD 80 Digital Radiocommunication Tester User Manual
Within the AUDIO FREQUENCY RESPONSE (RAW MODE) menu, you
can set the following base station parameters:
H
Power. Press the POWER softkey to set the level of the base station
transmitter power.
H
Voice mobile attenuation code. The voice mobile attenuation code is a
code sent by the base station to control the output power for voice
transmissions. Press the VOICE MAC softkey to set the voice MAC
parameter.
You can also change the following AF Generator settings:
H
Press the FREQUENCY softkey to adjust the frequency of the internal
AF Generator. This sets the frequency of the reference point for this
measurement.
H
Press the LEVEL softkey to adjust the level of the internal AF Generator
or to turn it off. You can adjust the level to achieve the audio peak
deviation value that you want.
Press the DEFAULTS softkey to set the parameters to their preset conditions.
(Typically, the default values are based on the specifications shown in the
table on page 3–57.)
Press the MENU UP front-panel button to return to the RECEIVER
QUALITY CONFIG — AUDIO FREQUENCY RESPONSE menu (see
Figure 3–105 on page 3–134).