44 as indicated at 648 to produce color corrected video signals which are displayed on the main monitor 50 additionally the routine displays the video picture associated with the button in the array 34 that was pressed to enter the 34 read 34 mode over the entire area of the auxiliary monitor 52 as illustrated at 650 in other words the auxiliary monitor 52 shows the selected video picture on an enlarged scale i e on a scale like that of the main monitor 50 if neither the 34 a 34 button nor the 34 b 34 button or the 34 picture file 34 button has been pressed during the 34 read 34 mode the routine inquires whether the equipment is in the 34 next to 34 mode as indicated at 652 the 34 next to 34 mode is entered by once pressing the 34 next to 34 button if so the routine again checks which of several split screen options has been selected by the operator and then uses the appropriate split screen option to divide or redivide the display on the auxiliary monitor 52 this step is designated at 620 the 34 next to 34 button as described above in connection with the flowchart of.