Document Outline

• Contents
• 1. Overview
• 2. Maintenance Menu
  • 1) MONITOR display
  • 2) COMPASS display
  • 3) R MONITOR display
  • 4) R-CALIB display
  • 5) RATE ERR display
  • 6) OUTPUT display
  • 7) ALARM display
  • 8) ANALOG display
  • 9) ANT MONI display
  • 10) MESSAGE display
  • 11) REC MONI menu
• 3. Replacement of Battery
• 4. Reading Program Number
• 5. Program Upgrade
  • 1) MAIN board (Processor unit)
  • 2) CPU board (Display unit)
• 6. Maintenance
  • 6.1 Adjustment
  • 6.2 Line voltage check
  • 6.3 Jumper setting
  • 6.4 LED
• 7. Location of Parts
• Appendix 1 Protection of ICs in Data Output Circuit
• Appendix 2 Modification on Data Output Circuit
• Exploded View (Parts List)
  • Radome Antanna, C7251-E01
  • Processor Unit, C7251-E02
• Schematic Diagrams
  • Interconnection Diagram, C7251-C01
  • Processor Unit (SC-510), C7251-K01
  • POWER Board (20P8181, 1/2), C7251-K02
  • POWER Board (20P8181, 2/2), C7251-K03