NORMARC 7013 - Near Field Monitor Delay

OPERATING MANUAL
6-10
21833-3.4
NORMARC 7013
INSTRUMENT LANDING SYSTEM
Periodic maintenance CAT I and II ©1999 Navia Aviation AS
• Increase DDM from the generator slowly from nominal value until a point where the letter A
(indicates that monitor has an ALARM for the displayed parameter) is shown beside the
measured parameter for Monitor 1.
• Check the new generator DDM value with the Field Test Set.
• Record in Table 6-15 line f).
• Decrease DDM from the generator slowly from nominal value until a point where the letter
A (indicates that monitor has an ALARM for the displayed parameter) is shown beside the
measured parameter for Monitor 1.
• Check the new generator DDM value with the Field Test Set.
• Record in Table 6-15 line ff).
Repeat the procedure for Monitor 2.
6.4.5.7 CLR SDM ALARM
The test setup is the same as in f).
Use the Local Display and Keyboard or the RMM Program to display the measured values
for CLR SDM.
• Increase SDM from the generator slowly until a point where the letter A (indicates that
monitor has an ALARM for the displayed parameter) is shown beside the measured param-
eter for Monitor 1.
• Check the new generator SDM value with the Field Test Set.
• Record in Table 6-15 line g).
• Decrease SDM from the generator slowly until a point where the letter A (indicates that
monitor has an ALARM for the displayed parameter) is shown beside the measured param-
eter for Monitor 1.
• Check the new generator SDM value with the Field Test Set.
• Record in Table 6-15 line gg).
Repeat the procedure for Monitor 2.
6.4.5.8 CLR RF ALARM
The test setup is the same as in c).
Use the Local Display and Keyboard or the RMM Program to display the measured values
for CL SDM.
• Decrease slowly RF level on the generator until a point where the letter A (indicates that
monitor has an ALARM for the displayed parameter) is shown beside the measured param-
eter for Monitor 1.
• The nominal level reduction should be 1 dB.
• Record the RF reading at alarm point in Table 6-15 line h).
Repeat the procedure for Monitor 2.
6.4.6 Near Field Monitor delay
Set the AUTOMATIC/MANUAL switch to AUTOMATIC, the REMOTE/LOCAL to LOCAL and
MAIN SELECT to Tx1.
Switch on Course Tx1 and Clearance Tx1.
System Status Indications should be NORMAL and SERVICE