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8. Notes for the product
(1)For the optimized reception, keep the receiver 3m or more away
from the transmitter.
(2)Receivers and transmitters shall be kept at least 50cm away from
any metal object.
(3)Do not point the receiver directly into a speaker or there will be
annoying feedback noises.
(4)It is recommended to hold the transmitter (microphone) at the
middle section for the optimized audio pickup.
(5)In case that the microphone is not used for an extended period of
time, it is recommended to remove the batteries from the battery
bay in order to prevent electrolyte leaks from damaging the
transmitter.
(6)When changing the batteries, it is recommended to change both
batteries of the same manufacturer for the optimized power perfor
mance.