TIC SDR-OMNI - Testing vor Systems

SDR-OMNI Avionics Test Set User Manual
Revision B 6 June 2023 Page 79
Table 5-8. Marker Beacon Field Description
CALLOUT
NAME
DESCRIPTION
1
Marker Beacon
Marker Beacon tab: Select to display MB controls
2
MB RF
Transmitter
Turns ON and OFF the MB RF transmitter. ON=Enabled;
OFF=Disabled (default)
3
Cycle
When Enabled, begins cycling the 3 markers at a 3 second
rate.
4
Tone Type
Selects either Continuous or Morse Code audio modulation
5
Frequency
Displays 75 MHz Marker Beacon carrier frequency. Not
changeable.
6
Power
Allows operator to enter 75 MHz marker beacon RF output
power, measured at the ANT-B connector. Allowable range: -
100 dBm to +10 dBm.
7
Beacon Type
Select Inner, Middle, or Outer.
8
Mod
Allows operator to select the tone modulation percentage. The
default is 95%. Not normally changed by the operator.
9
Menu Icon
Enables popup menu with 3 selections: (1) Home (stop test and
return directly to the Home Menu); (2) Settings (go to Global
Settings screen); and (3) ILS Setup (go to ILS Setup screen).
10
Back Icon
Stops test and returns to Navigation Menu
5.7 TESTING VOR SYSTEMS
For a description of VOR principles of operation, see Appendix C.
WARNING
When testing with the aircraft autopilot engaged, any change of navigation
signal may cause movement of the associated aircraft control surfaces
(elevator, ailerons, rudder). All personnel and ground support equipment must
be clear of the control surfaces to prevent death or serious injury.
1. If using the Telescopic Antenna, attach and extend the antenna to 28.5 inches (72 cm) (see Paragraph 6.1
(page 97)).
2. From the Home Menu, select Navigation->VOR.
3. The VOR Setup popup screen will display, reminding the operator to use Antenna port B for all VOR system
testing, whether over-to-air or direct connection to the VOR receiver. Press Close.