To move inside the image, HOLD DOWN your left mouse button and drag the cursor in the direction you wish to move. The two-arrow icon appears as you move around the image to indicate the direction of movement.
Mac Users
To move inside the image, HOLD DOWN your left mouse button and drag the cursor in the direction you wish to move. The arrow icon appears as you move around the image to indicate the direction of movement.
All Users
You can also always zoom with plus key and minus key.
Hint: The cursor drives the image slowly if held near the center of the picture. The closer the cursor gets to the edge of the picture, the faster the image moves.