Anritsu spectrum master ms2711d User Manual page 41

Set the Center Frequency
Step 1. Press the FREQ/SPAN key.
Step 2. Press the Center frequency soft key.
NOTE: To set the center frequency to 900 MHz, use the numerical keypad to
the right of the display. The data keys allow you to select the exact numeric
value of the active function, which in this example is the center frequency.
When activating the center frequency function, the spectrum analyzer is set to
the center-frequency span mode.
Step 3. Enter 900 on the keypad and select the MHz soft key, or ENTER which de-
faults to MHz. Observe that the signal resembles that shown in Figure 2-15.
Figure 2-15. Signal at 900 MHz
Set the Frequency Span
Step 1. Press the FREQ/SPAN key.
Step 2. Press the Span soft key.
The Edit soft key will be in its down state and the span parameter will be open for editing.
There are several methods by which to edit the open parameter.
Enter a New Value
Select a new value using the Up/Down arrow key and press ENTER, or enter a new value
using the numeric keypad and select one of the four frequency terminator soft keys.
Automatically Set Full Span
Press the Full soft key. The span will automatically be set to the full range of the
MS2711D.
Automatically Set Zero Span
Press the Zero soft key. The span will automatically be set to zero, at the current center fre-
quency. Zero Span will reset the minimum RBW to 30 kHz.
Chapter 2 Quick Start Guide
2-23