Agilent Technologies E4406A, User Manual

Page: 80 / 230

80 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
and 1 ns and 559 ms can be entered.
— Offset key. Allows entry of offset values between 10 ns and 1 s.
— Reset Offset key. Resets the display of the
Offset
key to 0 s.
—
Sync Source
menu key. See keys listed below.
• Sync Source menu key.
—
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. The starting point is the
point coinciding with the external trigger point plus the external
trigger delay.
— Ext Rear key. Synchronizes the measurement to an external
sync source, such as a frame clock signal. The starting point is the
point coinciding with the external trigger point plus the external
trigger delay.
—
RF Burst
key. Synchronizes the measurement to the internal,
wideband RF burst trigger.
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.