NorthStar 957 Operator's Manual page 143

Chapter 10 - Using Special Functions
Press the STAR key to display the VIDEO SETUP screen.
Changing the
video's size and
To change the size of the image, press a number from 1 to 9
on the KEYPAD. To move the image around on the screen,
location
press the CURSOR PAD.
957 Operator's Manual, Rev. B Page 135