Zoom Window - Keysight N9912A User Manual

Pulse Measurements Mode – Option 330
Pulse Measurement Settings
How to set Time
Specify the time over which data will be acquired by the USB Power Sensor.
When Trace Graph is selected, Tr 1 is annotated with these values. Time can
be specified using either of the following pairs of values:
— Center 1
— Start Time
acquisition.
— A positive start time indicates a delay after the sensor detects a pulse
signal.
— A negative start time displays data that is acquired BEFORE the sensor
detects a pulse signal (or T-zero).
— Follow each by entering a value using the numeric keypad, the
or the rotary knob.
— After using the keypad, select a multiplier key. Learn more in
Abbreviations" on page

Zoom Window

When Trace Graph is selected as the measurement, a secondary Zoom Trace
can be used to view a zoomed portion of Tr 1. When Zoom Window is ON, blue
vertical posts appear on Tr 1 to indicate the current start, center, and stop
times of the zoom window. The zoom window can be scaled using the standard
Scale settings.
How to make Zoom Window settings
— Press Measure.
— Then
— Then choose from the following:
— Zoom Center
enter a value for the center time using the numeric keypad, the
arrows, or the rotary knob.
Keysight N9912-90001 User's Guide
— Frequency Sets the center frequency of the carrier on which pulse
modulation resides. This is used to set amplitude correction of the
USB Power Sensor.
and Time/d iv 1
and Time Length
2-14.
Zoom Window.
— ON Opens the zoom window on the bottom half of the FieldFox
screen. The window includes the zoomed trace.
— OFF Closes the zoom window.
While monitoring the T within the blue vertical posts on Tr 1,
Specify the center time and time per division.
Specify the start time and length of
arrows,
"Multiplier
13- 5