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Chapter 6 175
Configuration - Screens and Control Fields
RF Chan Std RF Chan Std
RF Chan Std
Use the RF channel standard field to select the channel standard for
the radio-under-test. The RF generator’s and the RF analyzer’s
frequencies are automatically set to correspond to the channel number
entered in the RF Channel field. RF Channel replaces the RF Gen
Freq and Tune Freq fields on several screens when the RF Display
field on the INSTRUMENT CONFIGURE screen is set to Chan
.
Each standard has a prefix code that indicates what type of radio to
test; mobile station (MS) or land station (LS). For example, if you are
testing an AMPS base station, select LS AMPS.
For the NAMPS standards, a third letter is added indicating which
frequency band is used: upper, middle, or lower. For example, when
testing a base station using the upper band you would select
LSU NAMPS.
The USER-DEF selection is used to define your own channel
assignments. When selected, you enter the Base Freq, Chan Space,
and (Gen)-(Anl) settings.
For more information see the following related topics:
"Base Freq (User Defined)" field on page 163
"Chan Space (User Defined)" field on page 164
"(Gen)-(Anl)" field on page 169
Operating Considerations
The channel standard can also be changed in the lower subfield of the
RF Channel field on the SPEC ANL, RF GENERATOR, and RF
ANALYZER screen.
Screen(s) Where Field is Present
INSTRUMENT CONFIGURE
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