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Step 3. Check to see if the microphone works correctly.
Speak into the microphone and confirm that the INPUT 1’s level indicator lights green.
Input level indicator
M-864D
Lights green.
Notes
• Hold the microphone about 7 cm (3”) from the mouth. Speak at a
normal voice level.
• Sound is not output from the speakers at this stage as the output
amplifier’s volume knob is set to the minimum position.
Adjust the MONO INPUT 1’s gain if the indicators are in the status below. (See p. 25.)
Input level is too low.
Input level is too high.
Lights red.
Do not light.
Step 4. Set the MONO INPUT 1’s output destination.
Assign the MONO INPUT 1’s output destination to the channel to which the ARC filter is assigned.
Press the MONO INPUT 1’s Assignment switches 1 through 4.
It is also possible to select multiple output channels.
Step 5. Adjust the volume level of the output amplifier.
Speaking into the connected measuring microphone, adjust the volume to the level of normal use with
the volume control knob of the amplifier connected to the M-864D.
MONO INPUT 1
Assignment switch
Assignment indicator
Note
Use a fine-tipped object to press
in the Assignment switch.
