Operation, Remote Operation
RTCA/DO-260 Test Commands
1-2-5
ATC-5000NG ATC/DME Test Set Operation Manual
Rev. L0
Page 18
Subject to Export Control. See Cover Page for details.
February 2020
5.6
RTCA/DO-260 TEST COMMANDS
These commands allow the definition of different RTCA/DO-260 tests. The ATC-5000NG has
implemented the following test types: Normal Test, Bit Failures Special Test, Altered Preamble Special
Test, Overlapping Pulse Special Test, Confidence Test and Preamble Validation Test.
The Normal Test is a test that allows the definition of one type of message (Mode S, Mode A/Mode C or
none) for each generator available for the test. The generator available for the test depends on the power
mode (Low Power or High Power). In Low Power Mode, all generators are available. In High Power Mode,
only generators GENA, GENC and GENE are available.
For the special tests (Bit Failures, Altered Preamble, Overlapping Pulse, Confidence Test and Preamble
Validation) only two generators are available (GENA and GENC). The generator GENA is used to define
the reference (Mode S message) and generator GENC is used to define the special test.
5.6.1
GENERATOR PARAMETERS
5.6.1.1
ANTENNA
5.6.1.2
ATCRBS DATA
5.6.1.3
ATCRBS DATA RANDOM ON/OFF
Command Syntax:
{:ATC |:ATC5000NG}{:DO260}{:TYPE}{:NORMAL } {:GENS}{:GENA |:GENB |:GENC |:GEND
|:GENE |:GENF}{:PATH |:PA}SP{TOP | BOTTOM}CR
{:ATC |:ATC5000NG}{:DO260}{:TYPE}{:OVERLAPPINGPULSE |:OVERLAP
|:ALTEREDPREAMBLE |:ALT |:BITFAILURES |:BITF |:PREAMBLEVAL |:PREA}
{:GENS}{:GENA |:GENC }{:PATH |:PA}SP{TOP | BOTTOM}CR
Description:
This command sets the selected generator path to the Top or Bottom antenna.
Example:
:ATC:DO260:TYPE:NORMAL:GENS:GENA:PA TOP\r
Example:
:ATC:DO260:TYPE:BITF:GENS:GENA:PATH BOTTOM\r
Default:
Top
Query:
:ATC:DO260:TYPE:NORMAL:GENS:GENA:PA?\r
Return:
TOP
Command Syntax:
{:ATC |:ATC5000NG}{:DO260}{:TYPE}{:NORMAL} {:GENS}{:GENA |:GENB |:GENC |:GEND
|:GENE |:GENF} {:MODEC} {:DATA}SP<numeric>CR
Description:
This command defines the Mode A /Mode C Code to transmit using the selected generator. This
command is valid only for the NORMAL test type.
Numeric:
0 to 7777 (octal ASCII)
Example:
:ATC:DO260:TYPE:NORMAL:GENS:GENA:MODEC:DATA 1234\r
Default:
0000
Query:
:ATC:DO260:TYPE:NORMAL:GENS:GENA:MODEC:DATA?\r
Return:
1234
Command Syntax:
{:ATC |:ATC5000NG}{:DO260}{:TYPE}{:NORMAL} {:GENS}{:GENA |:GENB |:GENC |:GEND
|:GENE |:GENF} {:MODEC}{:RANDOM}SP{ON | OFF}CR
Description:
This command enables or disables the random generation of Mode C Pulse to transmit using the
selected generator. This command is valid only for the NORMAL test type.
Example:
:ATC:DO260:TYPE:NORMAL:GENS:GENA:MODEC:RANDOM ON\r
Default:
Off
Query:
:ATC:DO260:TYPE:NORMAL:GENS:GENA:MODEC:RANDOM?\r
Return:
ON
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