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Troubleshooting
• The ARC does not power on, or cuts out during use:
It’s possible that your USB port does not provide sufficient power to the ARC. If you are unable
to find a sufficient USB port to power the ARC, contact support to request a power supply. You
can contact Mayflower support at CS@Mayflowerelectronics.com or via telephone at 518-620-
6648.
• There is no sound output to the headphones or speakers:
The input selector switch ⑨ may be set to the wrong input source. Change the position of the
switch to see if normal output resumes.
Disconnect and reconnect the USB cable to reinitialize the USB audio driver ⑪.
Check to see that the volume switch is turned on and set to a reasonable volume ⑤.
Your system’s audio format may be set to an incompatible format. Check your speaker
properties to set the format to “24 bit, 96000 Hz” if available. You may need to restart your
system after changing this setting (See Figure 1).
Your system may be set to use the built-in sound device instead of the ARC. Check your device
manager’s sound properties to ensure the ARC is set as the default audio device (See Figure 2).
• The speakers do not produce any sound, or the sound is barely audible:
Windows system volume will need to be set at or above 80% to ensure full volume range from
the ARC.
The ARC only allows the connection of powered speakers. If your speakers are not self-
powered or the speaker power is turned off, you will not have sufficient volume. Use the
volume control on your speaker system to set the volume to an appropriate level.
• The ARC doesn't seem to work with my Xbox or other system:
Try to use a USB 3.0 port if available. If it still doesn’t work, it's possible that your system's USB
connection is not able to recognize the ARC as an audio device. In this case you will need to
use the optical TOSLINK connection ⑬ instead. Be sure to move the input selector switch ⑨
to the OPT position if using the TOSLINK connection.
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