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9 ACP Measurement
Mode Preset
Mode Preset
Returns the active mode to a known state.
Mode Preset does the following for the currently active mode:
•
Aborts the currently running measurement.
•
Brings up the default menu for the mode, with no active function.
•
Sets measurement Global settings to their preset values for the active mode only.
•
Activates the default measurement.
•
Brings up the default menu for the mode.
•
Clears the input and output buffers.
•
Sets Status Byte to 0.
Mode Preset does not:
•
Cause a mode switch
•
Affect mode persistent settings
•
Affect system settings
•
See
for more information.
Key Path
Front-panel key
Remote Command
:SYSTem:PRESet
Example
:SYST:PRES
Notes
*RST is preferred over :SYST:PRES for remote operation. *RST does a Mode Preset, as done by the
:SYST:PRES command, and it sets the measurement mode to Single measurement rather than
Continuous for optimal remote control throughput.
Clears all pending OPC bits. The Status Byte is set to 0.
Couplings
A Mode Preset aborts the currently running measurement, activates the default measurement, and.
gets the mode to a consistent state with all of the default couplings set.
Backwards Compatibility
Notes
In the X-Series, the legacy “Factory Preset” has been replaced with Mode Preset, which only presets
the currently active mode, not the entire instrument. In the X-Series, the way to preset the entire
instrument is by using System, Restore System Defaults All, which behaves essentially the same way
as restore System Defaults does on ESA and PSA.
There is also no “Preset Type” as there is on the PSA. There is a green Mode Preset front-panel key
that does a Mode Preset and a white-with-green-letters User Preset front-panel key that does a
User Preset. The old PRESet:TYPE command is ignored (without generating an error), and
SYST:PRES without a parameter does a Mode Preset, which should cover most backward code
compatibility issues.
The settings and correction data under the Input/Output front-panel key (examples: Input Z Corr, Ext
Amp Gain, etc.) are no longer part of any Mode, so they will not be preset by a Mode Preset. They are
preset using Restore Input/Output Defaults, Restore System Defaults All. Note that because User
Preset does a Recall State, and all of these settings are saved in State, they ARE recalled when using
W-CDMA & HSPA Measurement Applications Reference
755
Summary of Contents for E6640A
Page 80: ...Table of Contents lxxx W CDMA HSPA Measurement Applications Reference ...
Page 188: ...3 Programming the Test Set Common Commands 188 W CDMA HSPA Measurement Applications Reference ...
Page 256: ...5 Mode Functions Mode Setup 256 W CDMA HSPA Measurement Applications Reference ...
Page 324: ...6 System Functions System 324 W CDMA HSPA Measurement Applications Reference ...
Page 369: ...8 Channel Power Measurement Auto Couple W CDMA HSPA Measurement Applications Reference 369 ...
Page 389: ...8 Channel Power Measurement Marker W CDMA HSPA Measurement Applications Reference 389 ...
Page 664: ...9 ACP Measurement Auto Couple 664 W CDMA HSPA Measurement Applications Reference ...
Page 669: ...9 ACP Measurement BW W CDMA HSPA Measurement Applications Reference 669 ...
Page 984: ...9 ACP Measurement View Display 984 W CDMA HSPA Measurement Applications Reference ...
Page 1001: ...10 Spectrum Emission Mask Measurement W CDMA HSPA Measurement Applications Reference 1001 ...
Page 1668: ...12 Code Domain Measurement Auto Couple 1668 W CDMA HSPA Measurement Applications Reference ...
Page 2354: ...14 QPSK EVM Measurement 2354 W CDMA HSPA Measurement Applications Reference ...
Page 2364: ...14 QPSK EVM Measurement Auto Couple 2364 W CDMA HSPA Measurement Applications Reference ...