The Peak/Summit Synthesizer Data Window is made visible by ensuring the View Peak/Summit Synthesizer Data option in the Window Menu is checked.
This Child Window is a special View that shows the Peak/Summit data that has been imported and exported.
The purpose of this windows is to allow drag and drop transfers of
Patches and Multis between summit.factory and the Peak/Summit via
the MIDI Interface.
And it allows you to import and manipulate Peak/Summit data without creating SYSEX files, if you wish to make a quick edit. If you edit data in this window then if the Automatically Update Peak/Summit After Synth Window Edit option is ticked in theĀ MIDI Preferences tab in the Preferences Dialog