Final answer:
When using the Zoom tool in image editing software, holding down the H key, clicking in the image, and holding down the mouse button activates the Hand Tool, which allows panning and navigating within the image without changing the zoom level.
Step-by-step explanation:
When you select the Zoom tool in an image editing software, like Photoshop, holding down the H key, clicking in the image, and holding down the mouse button activates the Hand Tool. This allows you to pan and navigate within the image without changing the zoom level. It is a convenient way to move around a zoomed-in image without having to switch between tools.