4 Move down a level and set the “hop” frequency to 500 Hz.
Notice that the
FSK annunciator flashes, indicating that the displayed
parameter is for the
FSK mode. Also notice that the hop frequency is
displayed with fewer digits than the carrier frequency. For more
information on editing numbers in the menu, refer to “Menu Example 3”
earlier in this chapter.
¾500.0 Hz
5 Save the change and turn off the menu.
At this point, the carrier and hop frequencies are set and output.
Now, we will go back into the menu to set the FSK “shift” rate — this is
the rate at which the function generator shifts between the carrier
frequency and hop frequency.
6 Use the menu to set the
FSK “shift” rate.
The “recall menu” key returns you to the
FSK FREQ command, which
was the last command used before you exited the menu.
8: FSK FREQ
Enter
¿
Recall Menu
Shift
<
2
Chapter 2 Front-Panel Menu Operation
To output an FSK waveform
45
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