Scroll All Windows
With the Hand tool selected, checking Scroll All Windows (in the Option bar) will scroll (or pan) all open documents at once. Shift -drag (or pan) with the Hand tool to temporarily turn on the Scroll All Windows.
With the Hand tool selected, checking Scroll All Windows (in the Option bar) will scroll (or pan) all open documents at once. Shift -drag (or pan) with the Hand tool to temporarily turn on the Scroll All Windows.
Double clicking the Hand tool in the Tool Panel is the same as selecting View > Fit on Screen (Photoshop will display the entire image as large as possible on screen. Note: Command (Mac) / Control (Win) + 0 (zero) also displays the image as large as possible.
Holding down the spacebar (while most other tools are selected) will temporarily give you the Hand tool allowing quick panning of images that are zoomed in.