![](/images/new-backgrounds/1309515/30951517x1.webp)
How to use the noise canceling headphones
Environmental noises in airplanes, trains, and busses, and noise caused by
This unit mainly reduces the annoying low frequency sounds below 1500 Hz. For this reason, sounds with higher frequency portions, from car horns, telephones and human voices, remain relatively intact.
Inserting the battery
R03/LR03, AAA Press in and down on the - end.
Battery duration
Approximately 25 hours (R03 manganese battery)
Approximately 50 hours (LR03 alkaline battery)
]Note]
The actual life of the battery depends on operating conditions.
headphones
≥If rechargeable batteries are to be used, rechargeable batteries manufactured by Panasonic are
recommended.
When to change the battery
The battery should be changed when the [OPR] indicator (see below) fades or fails to light. The noise canceling function becomes less effective as the battery wears down. (If the battery is worn down, or if a battery isn’t inserted at all, the unit acts like normal headphones.)
Connecting the noise canceling headphones to the unit
≥Turn the main unit on and adjust its volume. (➜ page 10)
Sliders (Move up or down to suit the housing position to your ears.) []
L/R indication
Controller
Turning on the noise canceling function
[OPR] indicator
Switch [OPR] to “ON”.
The [OPR] indicator lights.
Select the noise canceling level with [NOISE CANCEL].
Select “MAX” under normal circumstances. Select “MID” for a lower level of noise canceling.
Adjust the volume.
Adjust the volume with [VOLUME] on the controller or readjust the volume on the unit.
≥Separate the controller from mobile phones as noise may occur.
≥Discontinue use if you experience discomfort with the headphones or any other parts that directly contact your skin. Continued use may cause rashes or other allergic reactions.
How to use the noise canceling
RQT8075
9
9