Chapter 2 103
Instrument Functions: A - L
Display
Instrument Functions: A - L
2.5.5.1.5.1 Point
Up to 200 points may be defined for each limit line using
Point. A maximum of two different points may be
entered that have the same frequency. Enter the point number to be created or edited using the numeric
keypad, then press
Enter, or use the front-panel knob, or step keys to move to an existing point. The step-up key
takes you to the next point, while the step-down key takes you to the previous point. After selecting a point,
Frequency (or Time, depending on x-axis selection) becomes active.
Key Path:
Display, Limits, Limit 1, Edit
Display, Limits, Limit 2, Edit
State Saved: Not affected by state.
Factory Preset
and *RST: 1
Factory
Default: 1
Terminators: Enter
Default Terminator: Enter
Resolution: 1
Knob Increment: 1
Step Key
Increment: 1
History: Added with firmware revision A.03.00
Range: 1 to 200
2.5.5.1.5.2 Frequency (or Time)
Pressing this key allows you to enter a value for a limit point in frequency (or time). Note that this key label
changes to Time if X Axis Units has been selected. After entering a value, the limit table is sorted to place the
value in the correct order. A maximum of two different points may be entered that have the same frequency.
For a new point,
Amplitude defaults to 0 dBm and Connected defaults to Yes. Amplitude then becomes active.
Key Path: Display, Limits, Limit 1, Edit
Display, Limits, Limit 2, Edit
Dependencies/
Couplings: Limit-line points are selected according to the X-axis units selected, for example if
frequency is selected as your X-axis units, then the limit points are frequency values. Also,
if both upper and lower limit lines are selected for the trace then both need to be defined
using the same X-axis units.
Fundamental
Units: Hz, s
Factory Preset
and *RST: 300 MHz; 120 Ms
Terminators: Hz, s
Default Terminator: Hz (frequency), s (time)
Knob Increment: 0.2 MHz, 30 Ms
Step Key
Increment: 20 MHz, 12 Ms
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