VM-3 (250-3010) Specifications Faxback Doc. # 4691 CRT SIZE: 12", 90 deg. SCAN FREQUENCY CRT DOT PITCH: HORIZONTAL: 18.432 kHz CRT SCREEN: P39 (Green) VERTICAL: 50 Hz INPUT SIGNAL: TTL-compatible RESOLUTION: 900 Dots x 700 Lines INPUT LEVEL: CONNECTOR: 9 Pin "D" Type (smm 07/28/93)