IDK MSD-701AMP User Manual page 187

Problem
Speaker output is
intermittent.
Speaker output
distorted
The MSD reboots if
increasing volume.
Mic input distorted
● Button operation
Buttons do not operate.
Setting changes are not
saved or observed to
be active in actual
operation.
● Communication command control
Control commands
cannot be issued from
PC to the MSD.
"@ERR,6" is returned.
Cause/Check item/Solution
Does the "MIC/LINE" or "SOURCE" LED light red?
Speaker output stops abnormally. Decrease the speaker output level.
Does the "SOURCE" LED light amber?
Decrease the speaker output level.
Overcurrent protection works. Decrease the speaker output level.
Does the "MIC/LINE" LED light amber?
The set reference level may be low to mic input level. Change the audio
input reference level.
Ensure that buttons are not locked.
Since no control command is registered by factory default, "DISPLAY
POWER" button does not work. Register and associate control commands
in order to enable this buttons.
When a control command is executed using a front panel button, all
buttons are disabled until the command is executed or INVALID TIME
passes.
Check the setting of "DISPLAY POWER" button press dwelling time. This
feature prevents accidental operation.
Immediately after start-up, all buttons are disabled until the connection of
the sink device is confirmed.
Settings within certain configuration menus may not be saved unless the
"MENU/ENTER" button is pressed after making the setting selection.
Are the following items set correctly?
For RS-232C : Baud rate and data word length
For LAN : IP address and subnet mask
Is COM PORT's FUNCTION set to "RECIEVER" mode?
If this feature is set to "TRANSMITTER" mode, the MSD cannot be
controlled externally.
When remote commands are issued, additional commands will not be
processed until the current commands are executed or until the INVALID
TIME period elapses.
When remote commands are issued, additional commands will not be
processed until the current commands are executed or until the INVALID
TIME period elapses.
MSD-701AMP User Guide
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135, 143
145
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