PDF《DA-251》

广东得胜电子有限公司无线教学扩音器Wireless Voice Amplifier DA-251 用户手册 User'

s Manual GUANGDONG TAKSTAR ELECTRONIC CO.

,LTD 广东得胜电子有限公司 Address:Longqiaolu,Longxi,Boluo,Huizhou,Guangdong,516100,China Tel:+86

752 6383951 Fax:86

752 6383950 E-mail:xs@takstar,com Website:www.takstar.com GUANGDONG TAKSTAR ELECTRONIC CO.,LTD 生产基地:广东省惠州市博罗县龙溪镇富康一路2号

电话:400

6828 333 传真:0752-6383950

邮箱:[email protected]

网址:www.takstar.com TAKSTAR DA-251无线教学扩音器,是专为教学、公众演讲等小型活动 而设计的.具有高保真音色、频率响应宽广、 的失真度、性能稳定、 低噪声、低功耗等特点.设计采用VHF(220-270MHz)频段,有40多种以上 的频点让你选择,同时采用双重供电, 特设低电压保护功能.外观设计美 观流畅,安装、携带方便,操作简单.是你教学、户外演讲、公众传播等 活动的好帮手. 较低

12 1 扩音器 一台 发射器 一只 12V/1A电源输出器 一只 头戴麦克风 一只 领夹麦克风 一只 9V电池 一个 输出转换线 一条 说明书 一份 保证书 一份 产品介绍 包装清单 Wireless Amplifier Frequency Range: 220-270MHz (enjoying more than

40 kinds of frequency spot) Sensitivity: -80dBM (S/N≥30dB) Mute Mode: Noise Locking Resonance Interfere Rate: >

50dB False Image Interfere Rate: >

50dB Total Harmonic Distortion: <

1% (1kHz) Output Power: about10W S/N Ratio: >

80dB Frequency Response: 100Hz-12kHz Input Signal: wired MICX1, wireless MICX1 Speaker: 4Ω/10W Power: DC 12V or 10.8V (2Ah Ni-MH battery) Effective Using Distance: 20m of radius overrun, 40m in the open area;

Weight: 1.1kg Transmitter: Frequency Steadiness: ±0.005% Harmonic Rejection: ≥40dBm Current Consumption: about 25mA Operating Voltage: DC 9V Specification

11 ①充电指示灯 ②音调旋钮 ③射频信号灯 ④带开关音量旋钮 ⑤电源指示灯 扩音器前面板功能说明 VOICE AMPLIFIER DA-251 POWER VOLUME ON/OFF RF TONE CHARGE ① ② ③ ④ ⑤ 扩音器后面板功能说明 ①MIC IN话筒输入插孔 ②AUX IN声音输入 ③OUTPUT输出插孔 ④DC插座 ⑤电池仓 ⑥天线 无线麦克风发射功能说明 ①发射器音量调节 ②电源开关 ③电源指示灯 ④麦克风输入插孔 ⑤发射器固定夹片 ⑥发射器电池仓 ① SimpleI Method In Case Of Trouble If there are any other troubles or problems observed, please do not open and repair it by yourselves. Please, first contact our distributor or directly come back to us. We will try our best to provide you with professional and efficient service. Phenomena The receiver is turned on, but the indicator does not light The RF indicator lights while speaking, but no output signal is available When the using distance gets shorter, the signal becomes unsteady Sound quality gets worse Elements The battery power is running off, please recharge the inside battery in time. 1.Please turn on the power switch of transmitter. 2.Please adjust the volume control of both transmitter and amplifier to the proper position. 1. Pull out the antenna and check if the batteries are running off, replace them with fresh ones or recharge them. 2.If the receiver is put in an inappropriate position, ie. on the ground or at the corner of the wall or in a strong electromagnetic filed, please change its position. 1.The battery of both amplifier and transmitter is running off. 2.If there is same frequency signal problem: do not use two machines with same frequency at the same time in the same area. (The distance must be at least 80m between two machines with same frequency)