Yamaha YHT-S401 Owner's Manual page 29

■ FM
Problem
FM stereo reception is
noisy.
There is distortion, and
clear reception cannot
be obtained, even with
a good FM antenna.
The desired station
cannot be tuned into
with the automatic
tuning method.
■ Messages for iPod/iPhone and USB device
Note
Confirm the connection of your device if any malfunctions except the following message in the front panel display occurred. (☞ P. 16)
Status message
Unknown iPod
No Device
Loading...
No Content
Unable to Play
Connect Error
Root
Disconnected
Cause
The characteristics of FM stereo
broadcasts may cause this problem when
the transmitter is too far away, or if the
antenna quality is poor.
There is multi-path interference.
The signal is too weak.
Cause
The iPod/iPhone or USB device being
used is not supported by this unit.
An iPod/iPhone or USB device is not
connected to this unit.
The iPod/iPhone or USB device is in data
processing.
There is no music file to enable playback.
The music file cannot be read.
The format of the selected music file is
not supported.
The selected music file is broken.
The iPod/iPhone or USB device has a
problem with communication.
Stops and returns to the root directory.
An iPod/iPhone or USB device has been
removed from the USB port of this unit.
Solution
Check the antenna connections.
Try using a high-quality directional FM
antenna.
Set the reception mode to "MONO".
Adjust the antenna position to eliminate multi-
path interference.
Use a high-quality directional FM antenna.
Set the reception mode to "MONO" and press
TUNING / to change frequency by 1
step.
Solution
Connect a supported iPod/iPhone or USB device
to this unit.
Connect an iPod/iPhone or USB device in which
playback enabled music files are saved.
The message disappears when data processing
finishes.
Connect an iPod/iPhone or USB device in which
playback enabled music files are saved.
See whether the music file can be played back by
another device such as a PC.
Save the music file in a supported format.
Select another music file.
Set this unit to the standby mode and reconnect
the iPod/iPhone or USB device again.
The message disappears when playback starts.
The message disappears after 3 seconds.
Troubleshooting
See
page
9
—
14
—
—
13, 14
See
page
16
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—
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16
27
En