Operation, Menus and Screens
Transponder Menu
1-2-3
ATC-5000NG ATC/DME Test Set Operation Manual
Rev. L0
Page 60
Subject to Export Control. See Cover Page for details.
February 2020
3.5.5
TRANSPONDER TEST MENU - DOUBLE INTERROGATION
The transponder test menu allows the user to set up the Test Set to transmit a double interrogation of
Mode A, Mode C, Mode A All-Call, Mode C All-Call, Mode A/Mode S All-Call, Mode C/ Mode S All-Call,
Mode S, P1-P2, Pulse, DME pulse pair, or Alternate Mode A/Mode C. In double interrogation mode, both
messages are transmitted on the Top Antenna only.
Figure 1.2.3 - 41
Transponder Test Menu - Double Interrogation
Screen Component
Description
Test Mode
Allows the user to select the Test Mode.
Double Interr/Intrf Pulse
Displays the two interrogations selected for transmission.
Settings
Allows the users to select the Interference Pulse (See Single
“Interference Pulse Menu” on page 59
).
Pulse Characteristic
Allows the user to select the reply pulse to measure.
Antenna Selection
Allows the user to select the antenna port from which reply
measurements will be derived.
Note: In Double Interrogation Mode, interrogations are
transmitted on the Top Antenna only.
Trigger Level
Allows the user to select the scope trigger level.
Reply Information
Displays % Reply for ATCRBS and Mode S interrogations on
Top Antenna only.
Summary of Contents for 138156
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