In order to reduce the impact of battery chemical substance on the environment, to improve the
battery usage economy and maintenance, this microphone features built-in charging function,
please use the supplied charger to recharge circularly.
Charging time is 4-6hrs, please follow below steps:
1. KTV place should collect all chargers, adaptors in the same room where without inflammable
and explosive substance to recharge for easy management, keep 1m from the wall.
2. Please keep the charger dry to avoid affecting the function.
– Use the supplied power adaptor only and make sure that the AC power is same as the power
adaptor’s requirement. The unit may be damaged if other power adaptor is used.
– Power supply of this system is AC 220V, fire or malfunction maybe occurred if use other voltage.
– Do not expose the system to high temperatures, humidity, dust or liquids.
– Do not apply any strong shock to it.
– Do not dismantle the system.
– If there are any troubles such as fume or strange smell during using, please unplug the power
adaptor and get in contact with your local retailer for further checking immediately.
– Please place the batteries according to correct polarities. Take out the batteries when not using
it for a long time.
– 1pc li-ion battery is assembled in the microphone, when the battery need to be replaced with a
new one, please replace the battery supplied by our factory.
– Please keep the battery in the area where the child can not touch.
– Please do not use batteries with broken or scratched surface.
– Please turn off the system and unplug the power adaptor if the system is not used for a long time.
Safety Instruction
10
频率范围：740 790MHz 调制方式：宽带FM
可调范围：50MHz 信道数量：200
信道间隔：250KHz 频率稳定度：±0.005%以内
动态范围：100dB 调制频偏：±45KHz
音频响应：80Hz～18KHz(±3dB ) 综合信噪比：>105dB
综合失真：≤0.5% 工作温度：-10℃～+40℃
有效距离: 米
～
系统指标:
技术参数
接收机指标：
接收机方式：二次变频超外差 中频频率：一中频：110MHz,
天线接口：TNC/50Ω 二中频: 10.7MHz
灵敏度：12 dBμV (80dB S/N) 杂散抑制：≥75dB
峰值输出电平：+10 dBV
发射器指标：
输出功率：10mW 杂散抑制：-60dB
供电方式：一节 3.7 V 锂离子电池 使用时间：大于12个小时
充电时间：大约5小时
包装清单
接收机 一台
手持式麦克风 两支
音频传输线 一条
电源适配器(DC12V/500mA) 一个
天线 两支
角码 两个
14650电池 两节
使用手册 一
份
充电座电源适配器(DC5V/600mA)
一个
手持充电座 一套
9
35
Safe Charge Requirements
