NCR RealPOS 70 - Chapter 10: 2 x20 Customer Display Interface

Chapter 10: 2x20 Customer Display Interface
Introduction
The2x20CustomerDisplayconsistsofaVacuumFlorescentDisplay
(VFD)withtworowsoftwenty5x8dotmatrixcharacters,anRS‐232
serialinterface,drivercircuitry,DCtoDC/ACconverter,anda
charactergenerator.
General Specifications
Item Value
Numberofcharacters 2Rowsx20Characters
CharacterConfiguration 5x8
CharacterHeight 8.86mm
CharacterWidth 3.90mm
CharacterPitch 5.15mm
LinePitch 9.64mm
PeakWavelengthof
Illumination
505mm
Luminance 350Cd/m2(102fL)(Minimum),
700Cd/m2(204fL)(Typical)
Serial Communication Interface
Thedisplayreceivescommandsanddatafromthehostusingan
RS‐232serialinterface,framedat9600baud,8databits,noparity,and
onestopbit.