Russound MCA-C3 User And Installation Manual page 93

6. Press the space bar at the "Bal Centered Zone X" dialog.
The Oscilloscope will display both channels at approximately 1.8V P-to-P.
7. Press the space bar at the "All Sources Zone X" dialog.
The RCK will display Zone X Source 2.
The Oscilloscope will display flat lines, no signal, for 1.5 seconds.
The MDK-C5 will then display "Two", selecting Source 2.
Both Channels will display on the Oscilloscope at approximately 1.8V P-to-P.
RCK selects next source
The "All Sources Zone X" script will continue for each source 2-6 then return
to (One) Source 1 when complete.
Be certain when the RCK changes source that no signal is observed.
When the MDK-C5 changes source the signal is approximately 1.8V P-to-P.
Time base set to observe 10khz sine wave
Time Base set to observe a 10khz sine wave
MCA-C3 Test Procedure
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Keypad changes source to match RCK