Shenzhen Yangda Security Co., Ltd
Add:3F, Block 5, Ji An Tai Industrial Area,XiHe,FuYong,
BaoAn district,ShenZhen,China, 518057
Email: [email protected] Web: www.yangdaonline.com
[4]REC button,press this button to play SD card recorded sound file in a loop,stop
playing if press the button again(you can press PTT button to speak when it is playing
recorded sound.Loosen PTT button,then speaker play recorded sound from the
beginning)
[5]Power switch.Turn it on,then indicator light [10]PWR will light up.Please turn down
the power if intercom is not in use to save energy.
[6]USB charge port.Battery voltage range is 3.7V-4.2V,please use 1C charger.When it
is in charging process,indicator light [7] CHG is red.If charging is completed,[7]CHG
turned green.
[7]Charging indicator CHG.
[8]PTT indicator.The indicator will light up if PTT button is pressed.
[9]REC indicator.The indicator will light up if REC button is pressed.
[10]Power indicator PWR
[11]MIC area.Please speak at the right front of MIC area,2CM distance is the best.
[12]Channel switch.The system supports 4 channels,please make sure the speaker
and the intercom at the same channel.
II.Speaker