©1999 Navia Aviation AS 21833-3.4 Monitor and Maintenance Parameters
OPERATING MANUALNORMARC 7013
INSTRUMENT LANDING SYSTEM
A-3
Table A-3 Logical Maintenance Parameters.
Table A-4 Analog Maintenance Parameters.
COURSE LOCK
DETECT
COURSE synthesiser is out of lock
CLR OUTPUT
LEVEL
RF level output to CLR transmitter is below a predefined
level
CLR TUNEVOLT CLR tunevoltage outside predifined limits.
CLR SYNTH LOCK
WARN
Synthesiser has been out of lock since CLR trasmitter
was turned on.
CLR LOCK
DETECT
CLR synthesiser is out of lock
Originates from
module
Parameter Description
TX LPA/GPA PA 27V LEVEL Measured value of 27V Voltage to LPA/GPA
CSB LEVEL Measured value of output level of CSB signal
SBO LEVEL Measured value of output level of SBO signal
PH CORR PEAK
LEVEL
Measured peak level of phase correction signal
Originates from
module
Parameter Description
RMA1215 RMS +5V Measured value of +5V voltage
RMS BATTERY Measured value of RMS battery voltage
PS1227 PS1 -15V Measured value of -15V supply voltage from PS1227A
#1
PS2 -15V Measured value of -15V supply voltage from PS1227A
#2
PS1 +5V Measured value of +5V supply voltage from PS1227A
#1
PS2 +5V Measured value of +5V supply voltage from PS1227A
#2
PS1 +8.5V Measured value of +8.5V supply voltage from
PS1227A #1
PS2 +8.5V Measured value of -8.5V supply voltage from PS1227A
#2
PS1 +15V Measured value of +15V supply voltage from PS1227A
#1
PS2 +15V Measured value of +15V supply voltage from PS1227A
#2
TX1 CLR I150 Measured value of current through TX1 CLR 150Hz
amplifier
TX1 CLR I90 Measured value of current through TX1 CLR 90Hz
amplifier