OPERATING MANUAL
3-6
21833-3.4
NORMARC 7013
INSTRUMENT LANDING SYSTEM
Main cabinet ©1999 Navia Aviation AS
• 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.
COAXIAL POSITION TX1/TX2
Used to:
• Indicate the position of the coax relay.
Activated by:
• Coax relay position.
MAIN TX1/TX2
Used to:
• Indicate which transmitter that is defined as main.
Activated by:
• Main select position.
COURSE TX1/TX2
Used to:
• Indicate the status of COURSE 1/COURSE 2 status. If illuminated the
transmitter is on.
Activated by:
• Transmitter «on».
CleaRance TX1/TX2
Used to:
• Indicate the status of CLEARANCE 1/CLEARANCE 2 status. If illumi-
nated the transmitter is on.
Activated by:
• Transmitter «on».
COAXIAL
POSITION
HBK616-1
TX2
MAIN
TX1
HBK617-1
CLR
TX2
COURSE
TX1
HBK606-1
CLR
TX2
COURSE
TX1
HBK607-1
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