Tektronix CMD 80, User Manual

Page: 195 / 672

Analog: Configuration
3–128
CMD 80 Digital Radiocommunication Tester User Manual
Figure 3–100: Analog receiver qual configuration — audio frequency response
(normal mode) menu
You use the softkeys on the left side of the menu to set the result limits. The
lower limit line is defined by three sections (see Figure 3–100):
H
Press the D softkey to set the start frequency.
H
Press the E softkey to set the end of the first section (D to E).
H
Press the F softkey to set the end of the second section (E to F).
H
Press the G softkey to set the end of the third section (F to G).
The levels for each section are set as follows (see Figure 3–100):
H
Press A to set the level for the upper limit line (D to G).
H
Press the B softkey to set the level for the lower limit line, section E
to F.
H
Press the C softkey to set the level for the lower limit line, sections
D to E and F to G.
Within the AUDIO FREQUENCY RESPONSE (NORMAL 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
Modulation frequency. Press the MODULATION FREQUENCY softkey
to set the audio frequency of the signal that modulates the base station
carrier.