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- The AC adaptor must be unplugged from the power outlet for the unit to run on the batteries. - When the set is connected to the mains, the power source automatically switches to AC. Battery operation 1. Remove the lid of the battery compartment. R-3745A IB TEAC 001 REV0.indd 1 2017/6/26 13:49:08...
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Connect headphones with the volume set low and increase if required. When headphones/earphones are connected, no sound will be emitted from the unit’s speaker. To prevent possible hearing damage, do not listen at high volume levels for long periods. Maximum output voltage ≤ 150mV R-3745A IB TEAC 001 REV0.indd 2 2017/6/26 13:49:08...