Operation, Menus and Screens
Transponder Menu
Rev. L0
ATC-5000NG ATC/DME Test Set Operation Manual
1-2-3
February 2020
Subject to Export Control. See Cover Page for details.
Page 69
Reply Information
Displays percent reply. In single burst mode, percent reply is
calculated using all interrogation/reply pairs of the burst.
Sample size for calculation of percent reply is dependent on
PRF for non-single burst modes:
PRF>200, samples taken over 1 sec window
PRF<200, 200 samples
maximum sample window = 10 sec
If any interrogation type is a non-standard All-Call format,
Percent Reply measurements may be invalid.
Reply Info.
Displays Reply Delay and Jitter. If Sync’d to Mode A, will display
Mode A code. If sync’d to Mode C, will display altitude.
Load
Allows the user to load a saved transponder test.
Save
Allows the user to save the current test setup to a file.
Reset
Allows the user to reset the current screen to default values.
Tx (switch)
Allows the user to Start (On) or Stop (Off) transmissions.
Interrogation Table
Opens the Interrogation Table Menu which allows the user to
modify, add or remove interrogation types from table and their
associated interrogation parameters (i.e., pulse spacing, pulse
width, etc.).
Instrument Settings
Opens the Instrument Settings Menu (See Single Interrogation,
Instrument Settings Menu).
Interference Pulse
Allows the user to select reset, P1 or P1-P2, pulse spacing,
pulse width, and pulse level (Power Dev) (See Single
Interrogation Interference Pulse Menu).
Burst Settings
Opens the Burst Settings Menu (See description in Burst
Settings Men section.).
Measured Pulse
Allows the user to select the reply pulse to measure, antenna
source and trigger level.
Receiver Summary
Displays squitter rates and data for common Transponder
squitters.
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