21
TQBJ2081
█
USB
No response when you press [4/9].
• Disconnect the USB device and then connect it again.
Alternatively, switch the unit off and on again.
The USB device or the contents in it cannot be read.
• The format of the USB device or the contents in it are not
compatible with the system.
• USB devices with storage capacity of more than 32 GB
cannot work in some conditions.
Slow operation of the USB device.
• Large content size or large memory USB device takes
longer time to read.
The elapsed time shown is different from the actual play
time.
• Transfer the data to another USB device or backup the data
and reformat the USB device.
█
Bluetooth
®
Pairing cannot be done.
• Check the Bluetooth
®
device condition.
• The device is out of the 10 m communication range.
Move the device nearer to the system.
The device cannot be connected.
• The pairing of the device was unsuccessful. Do pairing
again.
• The pairing of the device has been replaced. Do pairing
again.
• This system might be connected to a different device.
Disconnect the other device and try connecting the device
again.
• The system may have a problem. Switch off the system and
then switch on again.
• If “MODE 2” is selected in “LINK MODE”, select “MODE 1”.
(
~11)
The device is connected but audio cannot be heard
through the system.
• For some built-in Bluetooth
®
devices, you have to set the
audio output to this system manually. Read the operating
instructions of the device for details.
Sound from the device is interrupted.
• The device is out of the 10 m communication range.
Move the device nearer to the system.
• Remove any obstacle between the system and the device.
• Other devices that use the 2.4 GHz frequency band
(wireless router, microwaves, cordless phones, etc.) are
interfering. Move the device nearer to the system and
distance it from the other devices.
• Select “MODE 1” for stable communication. (~11)
█
Network
Cannot connect to the network.
• Confirm the network connection and settings. (~6)
• If the network is set to be invisible, make the network visible
while you set up the network for this unit or make a wired
LAN connection. (
~7)
• This unit’s Wi-Fi security does not support
WPA2-Enterprise. For details on the security supported by
your router and how to change the settings, please refer to
the operating instructions for the router or contact your
Internet service provider.
• Make sure that the multicast function on the wireless router
is enabled.
Cannot select this system as the output speakers.
• Make sure that the devices are connected to the same
network as this system.
• Reconnect the devices to the network.
• Switch the wireless router off and then on.
• Switch this system off and on, and then select this system
as the output speakers again.
Playback does not start.
The sound is interrupted.
• If using the 2.4 GHz band on the wireless router,
simultaneous use with other 2.4 GHz devices, such as
microwaves, cordless telephones, etc., may result in
connection interruptions. Increase the distance between this
unit and these devices.
– If your wireless router supports 5 GHz band, try using the
5 GHz band.
To change to the 5 GHz band, redo the network settings
(
~6). Make sure to select your network name (SSID) for
the 5 GHz band during the setup.
• Do not place this system inside a metal cabinet, for it might
block the Wi-Fi signal.
• Place this system closer to the wireless router.
• If several wireless devices are simultaneously using the
same wireless network as this system, try switching off the
other devices or reducing their wireless network usage.
• If the playback stops, check the playback status on the
device.
• Reconnect the devices to the network.
• Switch the wireless router off and then on.
• Try a wired LAN connection. (~7)
The network indicator (
~5) blinks.
• This may occur when, for instance, the network connection
is interrupted.
█
Radio, DAB/DAB+
Sound is distorted or static is heard.
• Check that the antenna is properly connected. (~4)
• Adjust the position of the antenna.
• Keep a certain amount of distance between the antenna
and the AC mains lead.
• Use an outdoor antenna if there are buildings or mountains
nearby.
• Switch off the TV or other audio players or separate it from
the system.
• Keep the system away from mobile phones if there is
interference.
If there is excessive noise during FM reception.
• Change the audio output to monaural. (~13)
DAB/DAB+ reception is poor.
• Keep the antenna away from computers, TV, other cables
and cords.
█
Unit displays
“--:--”
• You connected the AC mains lead for the first time or there
was a power failure recently. Set the clock.
“ADJUST CLOCK”
• The clock is not set. Adjust the clock.
“ADJUST TIMER”
• The play timer is not set. Adjust the play timer.
“AUTO OFF”
• The system has not been used for 20 minutes and will
switch off within a minute. To cancel, press any button.
SC-HC2020 EB.GN TQBJ2081 En_Rev 1-spec.fm Page 21 Wednesday, April 25, 2018 9:07 AM
