AutoTest Sytem Operation
Subject to Export Control, see Cover Page for details.
5-13
Audio Frequency / Level / Distortion Test
This test performs the following functions:
● Verifies Audio Meter Frequency, Level and Distortion.
● Validates the function generator plus audio routing.
Do not include brackets ( [ ] ) in command script.
Time-out for the following Test Commands is 80 seconds.
Test Commands
test_audio_distortion
Tests audio distortion meter for operation within specified limits.
test_audio_level
Tests audio level meter for operation within specified limits.
test_audio_freq
Tests audio frequency meter for operation within specified limits.
test_audio_hn
Tests audio hum and noise meter for operation within specified limits.
test_audio_sinad
Tests audio sinad meter for operation within specified limits.
test_audio_snr
Tests audio signal to noise ratio meter for operation within specified limits.
Set Commands
set_fgen_ch0_freq [ freq in Hz ]
Sets AF Generator 1 frequency.
Format: Frequency in Hz as parameter
set_fgen_ch0_level [ level in Vrms]
Sets AF Generator 1 level.
Format: Decimal level value in Vrms
set_fgen_ch0_enable [ state 0/1 ]
Turns AF Generator 1 ON or OFF.
Valid states are:
0 = OFF
1 = ON
set_fgen_ch0_type [ shape 0 ]
Sets AF Generator 1 waveform shape.
Valid shapes are:
0 = Sine
set_fgen_ch1_freq [ freq in Hz ]
Sets AF Generator 2 frequency.
Format: Frequency in Hz as parameter
set_fgen_ch1_level [ level in Vrms ]
Sets AF Generator 2 level.
Format: Decimal level value in Vrms