The S7800A1142 Keyboard Display Module (Kdm) Providescurrent System Status Along With First-Out Annunciation Andsystem Diagnosis Using a Two-Row by Twenty-Column Readout.The Kdm Provides Local or Remote Annunciation of Operationand Fault Information, Remote Reset, Report Generation, Burnercontrol Data And Diagnostic Information. The Kdm is Part Ofthe 7800 Series of Microprocessor-Based Burner Controls Forgas, Oil, Coal or Combination Fuel Single Burner Applications.The S7800A1142 Kdm Offers The Following Technicaladvancements to The 7800 Series Devices:• Compatible With Installed Honeywell 7800 Seriessystems.• When Used With The New 7800 Series With Valve Provingfeature, The Kdm Allows For Programming The Valveproving Control Feature And Timing (Pass Code Protectedfeature).• Allows For Naming The S7830 Expanded Annunciatorterminals to Match Your System Drawings. (Displayedmessage Only.)(Pass Code Protected Feature.)• A Three Screen Two-Row by Twenty-Column Readout Set Of“Call Service” (Business Card) Alpha/Numeric Directionscan be Displayed Instead of The Standard Lockout Displaymessage. (Pass Code Protected Feature). This “Businesscard” Can be Cloned to Other Displays to Save Setup Time.• Enable Modbus Communication Feature. | Honeywell | S7800A1142