Alpine HDS-990 - When this Message Appears

29 EN
The sou nd is n ot output from the s peakers.

The bu ilt-in amplifier is not outp utting a
signal.
-
The bu ilt-in power a mplifier switch has been
switched to "On".
When this Message A ppears
During operation, various information will be
displayed on the screen. In addition to t elling
you the current st atus or providing inform ation
on the next step of the operation guide, there
are also th e followi ng error pro mpts. If one of
the error prompts is displayed, the oper ation
instructions given in the solut ion column
should be carefully executed.
USB transfer error

Communication failure or start-up failure,
etc.
-The problem can be solved by
closing/ope ning ACC.
Device does not sup port

A USB device that i s not supported by t his
machine is connected.
- Conne ct USB devices sup ported by this
machine, such as U disk, mobile hard disk
or USB HUB.
No response from the device

The USB device does not respond.
- Please plug and unplug the USB again.
Please i nsert th e USB

The USB storage is not connected.
- Make sure th at the USB storage is properly
connected a nd th e cable is not bent
excessively.
No song

There are no songs (files) stored in t he USB
memory.
- Conne ct t he USB memory device a fter
storing the s ong (file).
This file format is not supported

A file that is not sup ported by th is machin e is
used.
- Use files supported by t his unit , s uch as
"mp3", "wma", "acc", "m4a", "wav", "flac",
"ape", "dsd" ("dff" an d "dsf") extensions
Name of t he file.
Protected file

Played a copy-protected WMA file.
- Only files without copy protection can be
played.
Device not connected

The Blu etooth device is not connected.
- Conne ct Bluetooth devices.
No song

There is no s ong in t he Blu etooth device.
- Please download the s ong to the Bluetooth
device.