Sets menu echo and prompt control bits.
| Type: | Integer | 
| Saved in: | Not-saved | 
| Initial value: | 0 | 
The value is the sum of the following:
| 
           Value  | 
           Description  | 
|---|---|
|  
			  1  | 
 
			  Suppresses echo of menu items (^P in a menu item toggles echoing)  | 
|  
			  2  | 
 
			  Suppresses display of system prompts during menu  | 
|  
			  4  | 
 
			  Disables ^P toggle of menu echoing  | 
|  
			  8  | 
 
			  Displays input/output strings; debugging aid for DIESEL macros  |