SOUNDMASTER IR4400 Guide D'utilisation page 48

USB driver or MP3
player is not detected.
NetRemote does not
show or connect to
IR4400
All other undetermined
cases.
1. Check if the USB driver or MP3 player is plugged properly.
2. Some USB hard disks need external power supply, make sure it
is connected to the power.
3. Not all MP3 players can be read directly on the device – use an
USB drive instead.
1. Reopen the App.
2. If you have several streaming from several devices at the same
time, it may cause crash, reboot IR4400 and/or your device.
IR4400 may process large amount of data after a period of
operation, no matter in which mode, it will cause the system
freeze or malfunction. Reboot IR4400 if necessary. period of
operation, no matter in which mode, it will cause the system
freeze or malfunction. Reboot IR4400 if necessary.
The normal function of the product may be disturbed by strong
Electro-Magnetic
Interference. If so, simply reset the product to resume normal
operation by following the instruction manual. In case the function
could not resume, please use the product in other location.
The device may malfunction when used in areas with strong radio
interference. The device will work properly again once there is no
more interference.
Under the environment with Conducted Immunity disturbance, the
sample may malfunction. It will automatically recover to normal
when the Conducted Immunity disturbance stopped.
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IR4400 / English Instruction Manual