4. Operation Control Keys58 AFP-100/AFP-100E Instruction PN 51010:C1 02/06/20024. OperationControl KeysThe figure below shows the control keys on the control panel:Figure 21 Control KeysAcknowledge/StepThe ACKNOWLEDGE/ STEP key silences the control panel sounder and changes all flashing LEDs tosteady. Only one key press is necessary regardless of the number of new alarms, troubles orsupervisory signals. When the panel sounder is silenced, an ìAcknowledgeî message is sent to theprinter and the history file. Multiple active events are scrolled on the display at a three second rate.Acknowledge also automatically sends a ìSilence Piezoî command to the LCD-2X20, AFM and LDMSeries annunciators.When more than one event exists, the first press of the ACKNOWLEDGE /STEP key silences the panelsounder and changes all flashing LEDs to steady. The second key press stops the scrolling and holdsthe event on the display for 1 minute. Subsequent pressing of the key ìstepsî through each active event.Alarm SilenceThe ALARM SILENCE key performs the same functions as ACKNOWLEDGE /STEP key. In addition, if analarm exists, it turns off all silenceable circuits and causes the Alarm Silence LED to turn on. It alsosends an ìAlarm Silencedî message to the printer, the history file and the LCD-2X20. A subsequentnew alarm will resound the system.Note: The ALARM SILENCE key operates on silenceable NAC outputs only.Drill Hold 2 Sec.When the DRILL key is held for 2 seconds (time required to prevent accidental activations), the controlpanel turns on both control panel NAC outputs and all silenceable circuits (all control modules/NACsthat are programmed silenceable) and turns off the ALARM SILENCE LED. The ìManual Evacuateîmessage is shown on the LCD display. The same message is sent to the printer and history file.System ResetPressing the SYSTEM RESET key turns off all control modules and NACs, temporarily turns off resettablepower to 4-wire detectors, causes an ìAll Systems Normalî message to be displayed on the LCD andstores ìSystem Resetî in the printer and history file. It also turns on all LEDs, panel sounder and LCDdisplay segments as long as the SYSTEM RESET key is held (lamp test). Any alarm or trouble that existsafter pressing the SYSTEM RESET key will resound the system.Control Keys9200disp.cdrTechnical Manuals Online! - http://www.tech-man.com