VT 220 owner's manual 
Digital equipment corporation                                
 - 3rd ed. 
 - USA  1984 
 - x, 120p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>viedio display Terminals<br/>VT220
<br/><br/><label>Universal Decimal Class. No.: </label>681.32  / DIG