NORMARC 7013 - Page 35

©1999 Navia Aviation AS 21833-3.4 Tower Equipment
OPERATING MANUALNORMARC 7013
INSTRUMENT LANDING SYSTEM
4-3
Activated by:
• No alarms present, and
• Communication with ILS is OK.
PARAMETER WARNING
Used to:
• Indicate that there are one or more monitor parameter warnings present.
Activated by:
• One or more monitor parameters outside the warning limits.
MONITOR DISAGREE
Used to:
• Indicate that there are one or more monitor parameter warnings present. The warnings
from the monitor 1/monitor 2 are voted before displayed.
Activated by:
• Difference in monitor 1/monitor 2 alarm detection.
BATTERY WARNING
Used to:
• Indicate that the ILS is running using the 27V battery.
Activated by:
• Loss of mains for charging the 27V battery.
IDENT WARNING
Used to:
• Indicate that the ident is faulty for LLZ.
Activated by:
• Loss of ident Morse coding for LLZ.
MAINTENANCE WARNING
Used to:
• Indicate that one or more of the maintenance parameter warnings detected.
Activated by:
• One or more maintenance parameters faulty or outside limits.
STANDBY TRANSMITTER ON AIR
Used to:
• Indicate that coax position directs the standby transmitters to the antenna and the main
transmitters to the dummy load.
Activated by:
• Coax position differs from transmitter main select.
ALARM BUZZER
Used to:
• Indicate that a transition from NORMAL to ALARM has occurred. Reset by pressing
SILENCE push-button.
Activated by:
• Remote control state transition from NORMAL to ALARM.