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Controls and Indicators Product Description
MS-2/MS-4 PN 51512:E 01/18/05 13
1.3 Controls and Indicators
Front Panel Membrane Buttons
• Acknowledge
• Alarm Silence
• Reset
• Walktest
• Zone Enable/Disable - Zone 1
• Zone Enable/Disable - Zone 2
• Zone Enable/Disable - Zone 3 (MS-4 only)
• Zone Enable/Disable - Zone 4 (MS-4 only)
LED Indicators
• Fire Alarm Zone 1 - red LED
• Fire Alarm Zone 2 - red LED
• Fire Alarm Zone 3 - red LED (MS-4 only)
• Fire Alarm Zone 4 - red LED (MS-4 only)
• Supervisory Zone 1 - yellow LED
• Supervisory Zone 2 - yellow LED
• Supervisory Zone 3 - yellow LED (MS-4 only)
• Supervisory Zone 4 - yellow LED (MS-4 only)
• Trouble Zone 1 - yellow LED
• Trouble Zone 2 - yellow LED
• Trouble Zone 3 - yellow LED (MS-4 only)
• Trouble Zone 4 - yellow LED (MS-4 only)
• Maintenance Zone 1 - yellow LED
• Maintenance Zone 2 - yellow LED
• Maintenance Zone 3 - yellow LED (MS-4 only)
• Maintenance Zone 4 - yellow LED (MS-4 only)
• AC Power - green LED
• NAC Disable - yellow LED
• Zone Disable - yellow LED
• NAC Fault - yellow LED
• System Trouble - yellow LED
• Power Trouble - yellow LED
• Walktest - yellow LED
• Alarm Silence - yellow LED
• Earth Fault - yellow LED (on main circuit board) lights if zero impedance
between FACP and ground exists
• Battery Fault - yellow LED (on main circuit board)
• Charger Fault - yellow LED (on main circuit board)