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86 Chapter 3
Setting the Mode
Mode Setup
• Frame Timer key. The frame timer feature uses the internal frame
clock to generate a trigger signal.
— Period key. Sets the period of the frame clock. Values between
33 ns and 559 ms can be entered.
— Offset key. Allows entry of offset values between 33 ns and 10 s.
— Reset Offset Display key. Resets the display of the
Offset key to
0s.
—
Sync Source menu key. See keys listed below.
• Sync Source key menu.
— Off key. Deactivates any sync source trigger that has been
selected and returns you to the frame timer menu.
— Ext Front key. Synchronizes the measurement to an external
sync source, such as a frame clock signal.
— Ext Rear key. Synchronizes the measurement to an external
sync source, such as a frame clock signal.
Selecting the Frequency/Channel
Use the FREQUENCY/Channel front panel key to set the center frequency
or select the channel for the measurement you want to make.