Sony HAP-S1 User Manual page 115

or more computers at the same time.
Cannot operate the HDD AUDIO PLAYER through HDD
Audio Remote.
Make sure that the HDD AUDIO PLAYER is turned on.
Check the network connection.
Make sure that the smartphone/tablet where HDD Audio Remote is installed is connected to
the same network as the HDD AUDIO PLAYER.
If the HDD AUDIO PLAYER is in normal standby mode, it cannot be operated through HDD
Audio Remote. Set the HDD AUDIO PLAYER to the Network Standby mode.
You may not be able to operate your HDD AUDIO PLAYER with HDD Audio Remote if your
router is set to low power consumption mode. In this case, disable low power consumption
mode of your router. For details, refer to the operating manual of your router.
The HDD AUDIO PLAYER responds slowly to operations.
The HDD AUDIO PLAYER responds slowly to operations performed on the HDD AUDIO
PLAYER or by HDD Audio Remote while music files are being transferred or the HDD
AUDIO PLAYER is analyzing and registering music files. This is not a malfunction.
No sound is output or sound is interrupted.
Check that the speakers are connected to the HDD AUDIO PLAYER correctly.
Press MUTING on the remote control to cancel the muting function.
Check that headphones are not connected. If headphones are connected, sound is not
output from the speakers.
Check that the correct input jack(s) are being used.
Check that the cord(s) are connected to the correct input jack(s) on the selected equipment.
Check that both the HDD AUDIO PLAYER and the connected equipment are turned on.
Sound may be interrupted when the sampling frequency or audio format is changed.