16
TQ
BJ
202
9
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 unit might be connected to a
different device. Disconnect the
other device and try connecting the
device again.
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
“RF-D20BT” or “RF-D20U” 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.
Messages
“Alarm Not Saved.”
• The changes made to the alarm was
not saved, the changes will be lost.
“No DAB station”
• No DAB station available.
• Check the antenna.
• Move the unit to another location and
do a full scan again.
“Service not available”
• No DAB reception.
“Time Not Saved.”
• The changes made to the time was
not saved, the changes will be lost.
RF-D20U
“USB charging error
Please remove device”
• The USB device is using too much
power. Disconnect the USB device,
switch off the system and then
switch on again.
Maintenance
To clean this system, wipe with a soft,
dry cloth.
• Never use alcohol, paint thinner or
benzine to clean this system.
• Before using chemically treated
cloth, read the instructions that came
with the cloth carefully.
D20BT_en_gn.fm Page 16 Monday, June 12, 2017 1:56 PM
Rev 3
offset printing
