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7 Save/Recall/Print

7.2 Recall

7.2 Recall

The Recall dialog lets you recall previously saved states, traces and other items to

the instrument from files on the instrument’s internal storage, from removable

devices, and from directories on the network. You access the Recall dialog by

pressing the Recall hardkey, or by pressing the folder icon at the bottom of the

display and then pressing the Recall icon.

The dialog has section tabs running down the left side, which you use to specify

what you want to recall, similar to the Save dialog. You choose the recall item and

then complete the recall by choosing a register or file location from which to recall

the item.

Notes No remote command for this key specifically, but :MMEM:LOAD is available for specific file types. For

example: :MMEM:LOAD:STATe <filename>

If you try to recall a State file for a mode that is not licensed or not available in the instrument, an error

message will occur and the state will not change

Backwards

Compatibility

Notes

In legacy analyzers, it was possible to load a state without affecting the trace data, limit lines or

correction data. Similarly (since User Preset is actually loading a state), it was possible to do a User

Preset without affecting the trace data, limit lines or correction data

In the X-Series, “state” always includes all of this data; so, whenever state is loaded, all of the traces,

limit lines and corrections are affected. Although this differs from previous behavior, it is desirable

behavior, and should not cause adverse issues for users

Recall for the X-Series supports backward compatibility in the sense that you can recall a state file from

any X-Series model number and any version of X-Series software. This is only possible if part of the

recalling process goes through a limiting step after recalling the mode settings, at least for settings

that may vary with version number, model number, option and license differences. If you try to recall a

state file onto an instrument with less capability than what was available on the instrument during the

save, the recall will ignore the state it doesn’t support, and it will limit the recalled setting to what it

allows

Example: if the saved state includes preamp ON, but the recalling instrument does not have a preamp;

the preamp is limited to OFF. Conversely, if you save a state without a preamp, the preamp is OFF in the

state file. When this saved file is recalled on an instrument with a licensed preamp, the preamp is

changed to OFF. Another example is if the saved state has center frequency set to 20GHz, but the

instrument recalling the saved state is a different model and only supports 13.5GHz. In this case, the

Short Range Comms & IoT Mode User's &Programmer's Reference 2225

Keysight x-series Instruction Manual

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