Moseley PCL-600, User Manual

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Moseley PCL6000 5-19
Moseley PCL 6000 Document No. 602-13375-01 Rev.B
Select the RIGHT ONLY position on the stereo source selector. Adjust the step and
variable attenuators on the audio spectrum analyzer so that the waveform is at the top
graticule. (See Figure 5-10.)
Select the LEFT ONLY position on the stereo source selector. Verify that the separation
meets specification between 1 kHz and 15 kHz.
Vert = 10 dB/div Horz = 2 KHz/div
Figure 5-10
Swept Separation Waveform
Note: The COMP HF TILT and DELAY EQ module affect both the left and right channel
separation. Paragraphs 3 and 4 may be repeated to assure optimum performance on both
channels.
5. Connect the audio output of the distortion analyzer to the stereo source selector. Connect
the left output of the stereo demodulator to the input of the distortion analyzer.
Set the frequency on the distortion measurement test set to 1 kHz. Select the LEFT +
RIGHT position on the stereo source selector.
Adjust the output level on the distortion measurement test set for a reading of zero dB on
the top scale of the transmitter. Using the METER FUNCTION switch on the receiver,
select the PGM LVL position and verify that the meter reads within ± 1 dB of the
transmitter program level.
Adjust the input controls on the distortion measurement test set for a zero dB reference.
Set the frequency on the distortion measurement test set to 30 Hz.
Verify that the reference on the distortion measurement test set is ± 0.5 dB.