There are a number of keyboard short-cuts when Viewer window is selected.
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Ctrl-P : Print
Ctrl-E : Export
Ctrl-M : Mail
Ctrl-R : Refresh
Ctrl-A : Enable Auto-Refresh and Set Refresh Time (You Can Also Right-Click in Bottom Blue Bar Area)
Ctrl-H : Show Debug Log
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Ctrl-Left Arrow : Move Back One Page
Ctrl-Right Arrow : Move Forward One Page
Ctrl-Up Arrow : Go To First Page
Ctrl-Down Arrow : Go To Last Page
Ctrl-G : Go To Specific Page Number
