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SA (Spectrum Analyzer) Mode
SA Mode Settings
Select either Uplink or Downlink Frequencies
Press
these selections is not available, then the selected Radio Standard does not
contain those frequencies.
Channel number X-axis annotation
— Dn indicates Downlink frequencies.
— Up (not shown) indicates Uplink frequencies.
— (−) indicates that the lowest frequency in the channel (128) is at the left
edge of the screen.
— (+) indicates that the highest frequency in the channel (130) is at the right
edge of the screen.
— When Center Channel or Freq Span is specified, the X-axis shows the
Center Freq (Channel) and Frequency Span.
— When Start or Stop Channel is specified, the X-axis shows the Start Freq
(Channel) and Stop Freq (Channel).
Change Channel Step Size (Optional)
This setting allows you to use the
number by the specified value.
— Press
— Enter a step value using the numeric keypad, the
knob. Then press Enter.
Scale and Units
Adjust the Y-axis scale to see the relevant portions of the data trace.
The Y-axis is divided into 10 graticules. A Reference Level is shown on the
screen as a solid horizontal bar that can be placed at any graticule.
8- 8
— Use the
arrows to increment the channel number by an amount
specified by the Channel Step value (see below).
— Then press Enter.
Chan Direction
to toggle between
Channel
Step.
Uplink
and Downlink. If either of
arrows to increment the channel
arrows, or the rotary
Keysight N9912-90001 User's Guide
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