一、产品介绍：
（一）、功能介绍：
1、 频率范围：740~790MHz；
2、 通道数量：2个；
3、 频道数量：200个，手持频道通用；
4、 叠机3台，抗干扰能力强。
5、 PLL锁相环技术：频率稳定度∠±100Hz；
6、 发射功率高和低切换；
7、 发射操作锁定功能；
8、 红外线自动对频；
9、 多重噪声静噪自动控制；
10、 两通道Line混合输出，XRL独立输出；
11、 发射LCD显示频道和电池电量；
12、 发射电池低压闪烁至1.6V自动关机；
13、 接收各通道LCD分别显示：频率频道、射频强度、静音、天线内部分极、及菜单内各指标调节内容；
14、 接收机手动音量调节；
15、 系统使用环境：温度-20℃~+45℃，相对湿度85%；
16、 工作距离：野外1500~2000米；
（二）、产品电子技术指标介绍：
1、发射机工作频率范围：740MHz~790MHz；
2、发射射频功率：≤80mW；
3、射频调制噪声：＜-65dBc；
4、射频调制度：≤±75KHz；
5、系统接收灵敏度：-65~-105dBm可调；
6、系统音频频率响应：30Hz~18KHz ±3db；
7、输入信号强度净空比：＞15db；
8、信噪比：∠-85db；
9、失真度：≤1%；
10、输出信号幅度：LINE160mV，XLR12mV；（400Hz/20KHz）。
11、音频隔离度：＞60db；
12、发射机工作电压：3VDC；
13、发射机工作电流：450mAmin（5#AA1000MHA电池连续工作2小时）；
14、接收机电源：12VDC/1000mADC；
（三）、产品包装规格：
1、接收机外型：标准1U；
2、整机外包装规格：530*330*130mm；
二、产品功能及操作方法：
（一）接收机操作：
- 频道选择：按上（或下）键选择频道（或频率），按中键确认；
- 红外线对频：按中键进入菜单第二项（PRG IR），按上（或下）键发射红外线进行对频，红外线对频距离在1米以内进行。对频时接收到当前频点的射频信号，自动中止对频，或15秒后自动中止对频；
- 灵敏度设置：按中键进入菜单第三项（SQELCH），按上（或下）键进入接收机的灵敏度设置，在强干扰和短距离使用时可将灵敏度在0dB到负45dB范围内手动调节设置，按中键确认。
- 频率和频道显示的切换：按中键进入菜单第四项（DISPL），按上（或下）键进行切换，CHANNL显示频道，FREQ显示频率。按中键确认；
- 音量调节：接收机背面手动调节音量；
- 通道锁定操作：按中键进入菜单第5项，按上（或下）键，OFF解除锁定，ON锁定，防止使用中误操作，按中键确认。
- 按中键菜单返回。
（二）手持麦克风操作：
1、麦克风射频功率切换开关，H到L衰减7dbm左右,适用远近使用距离切换，KTV置L位置使用，H是远距离场合使用。
- 手持功能锁定，开关由OFF到ON锁定手持操作，防止使用中误操作。
3、红外线对频时对正接收机的红外线发射窗口1米以内进行。
（三）腰包麦克风操作：
1、腰包麦克风有三个应用：一是将功能转换开关置于上位置时（吉它开关在左位置）使用头戴，二是将功能转换开关置于中位置时（吉它开关在左位置）使用领夹；将功能转换开关置于下位置（吉它开关在右位置）时使用吉它；
2、红外线对频时对正接收机的红外线发射窗口1米以内进行。
三、产品配置：
1、手持发射2只；
2、接收机一台；
3、室内天线2根；室外天线一副；
4、产品介绍及使用说明书1份；
5、LINE对接线一条；
6、110~220VAC/12VDC/1ADC开关电源一只；
7、重量：整机4000克，手持420克。
8、1件5台。
Product introduction:
(a), the function is introduced:
1, the frequency range: 740 ~ 790 MHZ;
2, the number of channels: 2;
3, the number of channels: 200, channel with gm;
4, folding machine 3 units, strong anti-jamming capability.
5, PLL phase-locked loop technology: frequency stability < + 100 hz;
6, high transmission power ａnd low switching;
7, launch locking operation;
8, infrared automatic frequency;
9, multiple noise noise automatic control;
10, two Line hybrid output, the XRL outputs independently;
11, launch channel LCD display ａnd battery;
12, launch battery low voltage flicker automatically shut down to 1.6 V;
13, receive the channel respectively display: LCD frequency channel, the strength of rf, mute, antenna inside part, ａnd the menu in adjusting the content of each index;
14, a receiver manual volume;
15, the system using the environment temperature - 20 ℃ ~ + 45 ℃, relative humidity 85%;
16, working distance: field of 1500 ~ 2000 meters;
(2), electronic product technical indexes are introduced:
1, transmitter range of working frequency: 740 MHZ to 790 MHZ;
2, launch rf power: 80 mw or less;
3, rf modulation noise: < - 65 DBC;
4, rf modulation: + 75 KHZ or less;
Receiver sensitivity ａnd system: 5-65 - - 65 DBM is adjustable;
6, the system audio frequency response: 30 hz ~ 18 KHZ plus or minus 3 db;
7, the intensity of the input signal is clear than: > 15 db;
8, the signal-to-noise ratio: < - 85 db;
9, distortion degree: 1% or less;
10, output signal amplitude: LINE160mV XLR12mV; (400 hz / 20 KHZ).
11, audio isolation: > 60 db;
12, transmitter working voltage: 3 VDC;
13, current transmitter: 450 mamin (5 # AA1000MHA batteries work continuously 2 hours);
14, a receiver power supply: 12 VDC / 1000 madc;
(3), product packaging specifications:
1, the receiver appearance: standard 1 u;
2, the machine packing specification: 530 * 330 * 130 mm;
Second, the product function ａnd operation method:
(a) a receiver operation:
1, channel selection, press the up (or down) button to ｓelect the channel (or frequency), press the button to confirm;
2, infrared frequency, press the menu button to enter in the second (.prg IR), according to launch infrared (or down) button on the frequency of infrared for frequency range within 1 meter. Receives the current frequency point at the time of the frequency, radio frequency signals, automatic suspension of frequency, or after 15 seconds automatically suspend the frequency;
3, sensitivity setting: press the third button to enter in the menu (SQELCH), according to (or below) on the key into the receiver sensitivity setting, when used in strong interference ａnd short distance sensitivity can be within the scope of 0 db to minus 45 db manually adjust the Settings, press the button to confirm.
4, frequency ａnd channel display switch: press the button to enter the menu item 4 (DISPL), according to (or below) on the key switch, the CHANNL display channel, FREQ display frequency. According to the key confirmed;
5, volume: receiver on the back of the manual to adjust the volume;
6, channel lock operation: press the button to enter the menu item 5, press (or) ON, OFF unlocked, ON the lock, prevent wrong operation in use, press the button to confirm.
7, back press button in the menu.
(2) handheld microphone operation:
1, microphone radio frequency power switch, attenuation, about 7 DBM H to L switch used far ａnd near distance, KTV L use, H is the distance.
2, holding the lock function, switch from OFF to ON lock hold operation, to prevent the use of wrong operation.
3, infrared to align the receiver at the time of the frequency, infrared launch window within 1 meter.
(3) the pocket microphone operation:
1, purse the microphone has three applications: one is the function switch in the on position when the switch is in the left position (guitar) using a head, 2 it is puts function switch in position using LingGa switch in the left position (guitar); Switch will function switch in the location (guitar) in the right position to use when the guitar;
2, infrared to align the receiver at the time of the frequency, infrared launch window within 1 meter.
Three, product configuration:
1, 2 only holding a launch;
2, a receiver;
3, indoor antenna 2 root; Outdoor antenna is a vice;
1 4, product introduction ａnd operating instructions;
5, the LINE of wiring a;
6, 110 ~ 220 vac/adc 12 VDC / 1, a switch power supply;
7, weight: 4000 g machine, hand-held 420 grams.
8, 1 piece of 5 units.
