[. . . ] A These instructions must be framed and displayed next to the SK-6324 panel in accordance with NFPA 72 fire code for Local Fire Alarm Systems. LED (Color) AC POWER (green) Function ON = Good AC OFF = Low AC trouble condition and it was acknowledged FLASHING = Unacknowledged AC Low trouble condition ON = System trouble OFF = System OK FLASHING = At least one serial device is in trouble DOUBLE FLASHING = Two types of serial devices are in trouble. [. . . ] If flashing, press the ACK button to acknowledge the condition. SYSTEM SILENCED (yellow) ON = System audible output has been silenced OFF = Nothing silenced FLASHING = Partially silenced ON = Ground fault condition exists and was acknowledged OFF = No fault FLASHING = A ground fault condition detected ON = Battery low condition that has been acknowledged OFF = Good battery condition FLASHING = Battery low condition ON = Zone in alarm which has been acknowledged OFF = No Alarm FLASHING = Zone in alarm has not yet been acknowledged ON = Zone has a supervisory condition which has been acknowledged (selfrestoring condition) OFF = No supervisory condition exists FLASHING = Supervisory trouble detected on that zone that has not yet been acknowledged GROUND FAULT (yellow) LOW BATTERY (yellow) If flashing, press the ACK button to acknowledge the condition. ZONE 1 Through ZONE 6 ALARM (red) If flashing, press the ACK button to acknowledge the condition. Cut Along the Dotted Line SUPERVISORY (yellow) If flashing, press the ACK button to acknowledge the condition. TROUBLE (yellow) ON = Zone has a trouble condition which has been acknowledged OFF = No zone trouble FLASHING = Zone has a trouble condition not yet acknowledged DOUBLE FLASHING = Zone was disabled CLEAN ME FLASHING = Indicates that the smoke detector needs cleaning If flashing, press the ACK button to acknowledge the condition. A "Clean Me Flash" is a flash with a long LED "on" Time and a short LED "off" time indicating that the smoke detector needs cleaning. The "Clean Me" flash starts after the trouble condition has been acknowledge. NAC 1 Through NAC 3 ACTIVE (yellow) ON = NAC is active during an alarm OFF = NAC is not active during alarm If flashing, press the ACK button to acknowledge the condition. TROUBLE (yellow) ON = NAC has a trouble condition and was acknowledged OFF = No trouble condition FLASHING = NAC is in trouble DOUBLE FLASHING = Circuit was disabled Operation Disable notification appliance circuit. Begin Walk Test End Walk Test (The test ends automatically after 10 minutes of no system activity. ) Acknowledge condition (alarm, supervisory, trouble) Silence Panel Perform system reset To send a DACT test to your central station. To reset the DACT. Keystrokes Press the appropriate [NAC DISABLE] key. The NAC circuit will be disabled and the corresponding TROUBLE LED will Double Flash. The zone will be disabled and the corresponding TROUBLE LED will Double Flash. This function is not available during an alarm or supervisory condition. Note: Walk test will not activate if the control panel has a trouble, alarm, or supervisory condition. [. . . ] This will silence the on-board PZT and all active NAC circuits that have been configured as "silenceable". [. . . ]