5 Key Reference
TRACE
Accesses the trace keys to store and manipulate trace information. Each trace comprises a series of data points in which amplitude information is stored. The analyzer updates the information for any active trace with each sweep.
If you have selected Channel Power, OBW, or ACPR in the MEAS menu, refer to “One- button Power Measurement" on page 43.
Trace
Selects the trace for current use.
Key access: [TRACE]
Clear Write
Erases any data previously stored in the selected trace and continuously displays any signals during the sweep of the analyzer. This function is activated for trace 1 at power on and factory preset.
Key access: [TRACE]
Max Hold
| Maintains the maximum level for each trace point | |
| of the selected trace, and updates each trace point | |
| if a new maximum level is detected in successive | |
| sweeps. | |
| Changing the vertical scale (Amplitude, Scale Type, Log or | |
N O T E | ||
Line), or pressing PRESET, or turning averaging on (TRACE, | ||
| ||
| Average (On)) or switching widow in Zone Span restarts the | |
| held trace. | |
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| Key access: [TRACE] |
90 | N9340A User’s Guide |