Pan
This function allows you to move the data visible on the screen across the screen so that you can see something which is presently off the screen.
To run this function: Choose View > Window > Pan, or...
Select the start point and drag for PAN
Position the pointer and then drag. Feedback will be displayed on the screen to let you see how far you have moved the pointer.
Note: This function remains active until you press the ESC key.
When you release the pointer the view will be altered by the displacement defined by your point and drag action.