Operating Instructions
6
TQBJ2225
Power sources
Connect the AC adaptor firmly to the unit and the 
household mains socket.
≥ Do not use any other AC adaptor except the supplied one.
≥ The unit is in the standby condition when the AC adaptor is 
connected. The primary circuit is always “live” as long as 
the AC adaptor is connected to an electrical outlet.
Charging starts when a device (rated value: 5 V/1 A) 
is connected to the USB port of this unit.
≥ Confirm from the screen of the connected device, etc. to 
make sure charging has started.
≥ Charging does not work when this unit is powered by 
batteries.
≥ You can charge the device regardless the unit is turned on 
or in standby mode.
≥ A cable compatible with your device is required. Use the 
cable that comes with your device.
≥ Even if you connect a cable compatible with the USB port 
of this unit, your device may not be charged. In that case, 
use the charger that comes with the device.
≥ Depending on your device, using other chargers may not 
work. Check the operating instructions of your device 
before use.
≥ Do not connect a device with a rated value higher than 5 V/
1 A to this unit.
≥ To check if charging is complete, look at the screen of the 
connected device, etc.
≥ Once fully charged, remove the USB cable from the USB 
port.
≥ Depending on the type and placement of the device that is 
connected to the USB port, you may notice a degradation 
in radio signal reception.
This unit will use the batteries as the power source 
when you disconnect the AC adaptor.
Use alkaline or manganese batteries.
Install the batteries so that the poles (r and s) align 
with those in the unit.
≥ After installing the batteries, ensure the battery cover is 
securely closed.
∫ Battery indicator
The battery indicator on the display shows the battery 
levels.
≥ When the battery indicator “ ” begins flashing, 
replace all 4 batteries.
≥ If the AC adaptor is connected to this unit, the battery 
indicator will be off.
Using the household mains socket
Charging a device
To household mains socket
USB cable (not supplied)
Compatible device (not supplied)
Using the batteries (not supplied)
Disconnect the AC adaptor from the unit to 
operate on battery power.
OPEN
OPEN
12
34
R14/LR14, C
Insert batteries in numbered order.
Inner row
Outer row
Flashes
RF-D30BT_TQBJ2225_eng.book  6 ページ  2020年5月13日 水曜日 午前11時44分










