You can assign a monochrome picture (background color) to channel 7 or 8. Here's the steps on how to assign it:

1. Press [MENU] button
   
   
2. Use the [VALUE] knob to select "VIDEO INPUT"
   
   
3. Press the [VALUE] knob to <ENTER> submenu
   
   
4. Use the [VALUE] knob to select "STILL 7/8"
   
   
5. Press the [VALUE] knob to <ENTER> submenu
   
   
6. Use the [VALUE] knob to select "STILL 7 INPUT ASSIGN" or "STILL 8 INPUT ASSIGN"
   
   
7. Press the [VALUE] knob to <ENTER> submenu
   
   
8. Set the “STILL 7 INPUT ASSIGN” or “STILL 8 INPUT ASSIGN” to “BACKGROUND.”
   
   
9. Press the [VALUE] knob to <ENTER> and confirm setting
10. Also, use “BACKGROUND COLOR” to specify the background color below.
    
    
    
    
11. And now the background colors for inputs 7 and 8 will be the background color you choose. The background color selection is shared by input 7 and 8.
    
    
12. Press [MENU] to exit