What to pay attention to during the use of Megaphone

 What to pay attention to during the use of Megaphone?

 1、When using a megaphone, avoid the microphone is the speaker's horn on the amplifier itself, and the volume adjustment is appropriate and clear, so as to avoid distortion and feedback whistling.

 2、Do not pull, drag microphone wire, otherwise it is easy to appear poor interwire contact.

 3、Host battery do not overcharge for a long time over-discharge, low power prompt should be timely charging, winter and summer vacation idle do not use should pay attention to one to two months to charge once

 4、Long-term need not let the battery discharge finished.

 5、If not used for a long time, should be placed in a ventilated, dry, away from heat sources, magnetic fields.

 6、When using, if you find the power light shining red or long bright red, indicate that the battery is not enough at this time, please charge it in time.