Power supply and charging – Technics EAH-A800 Noise-Canceling Wireless Over-Ear Headphones (Black) User Manual
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Cannot charge the unit. / The LED indicator does not light during charging. / Charging takes longer.
• Is the USB charging cord connected firmly to the USB terminal of the AC adaptor? (
• Make sure to charge in a room temperature between 10
o
C and 35
o
C (50
o
F to 95
o
F).
• Make sure the computer is turned on and is not on standby or sleep mode.
• Is the USB port you are currently using working properly? If your AC adaptor has other USB ports, unplug the
connector from its current port and plug it into one of the other ports.
• If the measures mentioned above are not applicable, unplug the USB charging cord and plug it in again.
• It takes approx. 3 hours to charge the battery from empty to full.
• If the charge time and operating time become shortened, the battery may have run down. (Number of charging times
of the installed battery: Approximately 500)
• The LED indicator lights in red when charging is in progress. When charging is completed, the LED indicator will go
out.
The power does not turn on. / The power turns off.
• Is the unit being charged? The power cannot be turned ON during charging. (
• The battery is low when the LED indicator is blinking in red. Charge the unit.
Power supply and charging