Chapter 2 Operating Your Frequency Counter
Using the MATH Menu Keys
2-24 Operating Guide
2
6 Press Scale & Offset key, if required, until OFFS: is displayed.
OFFS: 0.000000 should be displayed. This is the default value.
7 Set the Offset to -222.127 MHz.
Refer to the sub-section titled “Entering the Offset Value” in Chapter 1, “Getting
Started,” for details on how to perform numeric entry for Offset.
a. Use the appropriate combination of the arrow keys to display a value of 222.127
MHz.
b. Press +/− key, which is located below the arrow keys, to change the plus sign to
minus.
OFFS: -222.127 MHz is displayed.
c. Press Enter key.
NOTE BE SURE to press the Enter key to complete numeric entry.
8 Press Run key.
The resultant frequency is displayed with -222.127 MHz subtracted from each
measurement result.
The Counter displays the error or differences from the targeted 222.127 MHz.
For example, the display might indicate +000.023 MHz.
9 Adjust the LO as necessary until the Counter displays zero (00.000,000,0).
Your local oscillator is now properly aligned.
Example Procedure for Turning Off Math Mode
1 Press Scale & Offset key until MATH: ON is displayed.
2 Press any one of the arrow keys.
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