ATS-5X User Manual Page 17 of 44
Off-hook selection
o No: A telephone on-hook condition is presented to the transmit jack tip and ring.
o Yes: A telephone off-hook condition is presented to the transmit jack tip and ring.
Tx selection
o Off: The transmitter is disconnected from the transmit jack.
o 1004 Hz: A single 1004 Hz tone at 0 dBm
o Single Tone: A single sinusoidal tone with the specified Level (dBm) and Freq. (Hz)
o Tone Sweep: A single sinusoidal tone with the specified Level (dBm) and variable frequency
o 23-tone: 23 simultaneous tones at frequencies between 150 Hz and 4 kHz. The combined signal level is
specified with the Level (dBm) number entry.
o P/AR: (Peak-to-Average Ratio signal) 16 simultaneous tones at frequencies between 140 Hz and 4 kHz.
The combined signal level is specified with the Level (dBm) number entry.
o Slope: A single tone with the specified Level (dBm) and variable frequency. While in the applicable -
measurement screens, the frequency of the transmit tone will cycle among 404 Hz, 1004 Hz and
2804 Hz indefinitely with a 10 second dwell at each frequency.
Filter selection
o 20 kHz: No additional attenuation is applied to the receiver
o C-Msg.: C-Message weighted filter
o 3.4kHz Flat: A low-pass filter with 3.4 kHz cutoff frequency
o D Filter: A band-pass filter between 300 Hz and 3.4 kHz
o 15kHz Flat: A low-pass filter with 15 kHz cutoff frequency
o 1010Hz Notch: A band-stop filter with 1010 Hz center frequency, providing at least 50dB attenuation between
995 and 1025 Hz.
o C-msg. Notch: The combination of a C-message filter and a 1010Hz notch filter
Level (dBm) adjustment
o Specifies the level of the transmitted signal in dBm.
Freq. (Hz) adjustment
o Specifies the frequency for single-tone transmitter selections
Start adjustment
o Specifies the start frequency (in Hertz) for a single-tone frequency sweep
Stop adjustment
o Specifies the stop frequency (in Hertz) for a single-tone frequency sweep
Step adjustment
o Specifies the frequency increment (in Hertz) for a single-tone frequency sweep
Dwell Time (sec) adjustment
o Specifies the amount of transmission time at each frequency increment during a single-tone frequency sweep.
All changes in the Setup screen occur immediately. The tone frequency will remain constant within the Setup screen
when the Tone Sweep and Slope transmitter selections. These selections require use of their respective measurement
screens to automatically change the frequency.
When the setup context is changed by selecting a different measurement, some settings that were valid for the previous
measurement may not be valid for the current measurement. If this is the case, any invalid settings will be changed to
valid settings when the new measurement or function is chosen. For this reason, it is a good practice to verify the setup
for each new measurement used.
When the display shows any screen other than the measurement or function screen, or the Setup screen, the setup is
changed so that the transmitter is set to off. Therefore, if the transmitter is set to single tone in the Setup screen and
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