8-28 Chapter 8: Installing Peripheral Options
MSR
TheMSRisanoptionalfeaturethatprovidessupportforreading
magneticallycodeddatacards.Thekeyboardssupporttwodifferent
typesofMSR:
• ISOTracks1,2,and3
• JIS‐IIandISOTrack2
Keyboard Status LEDs
ThekeyboardhasthreestatusLEDs:
• NumLock
• CapsLock
•
ScrollLock
Thesefeaturesareusedtoprovidethepresentstateofthekeyboard.
Theindicatorsaresinglecolor(Green)LED’s.Whenthesystemisoff,
noLED’sareilluminated.