User's Manual

MODEL 2130 MARKER BEACON
Rev. A April, 2005 5-3
This document contains proprietary information and such information may not be disclosed to others for any
purposes without written permission from SELEX Sistemi Integrati Inc.
5.2.7.2 Procedure
Note: This test will take the facility offline, issue a NOTAM.
a. With the Marker Beacon in Normal condition, log off PMDT, and place LCU in remote mode.
b. Remove the monitor return cable.
c. Verify shutdown of the Main transmitter and transfer to the Standby transmitter.
d. Restore the Monitor return cable connection.
e. Verify that the LCU indicates that the Main is OFF and the Standby is ON antenna and aural alarm.
f. Silence the alarm.
g. Verify Remote Control Indications are correct.
h. Restore the Marker Beacon to Normal.
5.2.8 Measure Antenna VSWR at Transmitter Output
5.2.8.1Test Equipment Required
PMDT
5.2.8.2 Procedure
a. Connect the PMDT serial communications cable to the Marker Beacon and Log On.
b. Enter Transmitter>>Data>>Power Sensor Data and view the VSWR reading.
c. Compare the reading to Table 3-1.
d. Log off the PMDT.
5.3 Other Maintenance Procedures
Performing the following procedures will require the equipment to be removed from service. These procedures will also
incorporate steps to calibrate the RMM to external test equipment.
5.3.1 RF Carrier Frequency Measurement
This procedure insures the transmitter output frequencies are within the tolerances of Table 3-1.
NOTE
The following procedure causes a non-useable signal in space by removing the
navigation tone modulation, and requires the proper authorities to be notified of
removal from service for the duration of this check.
5.3.1.1 Test Equipment Required
Bird Wattmeter body
Bird Sniffer element