一、產(chǎn)品介紹:
(一)、功能介紹:
1、 頻率范圍:740~790MHz;
2、 通道數(shù)量:2個(gè);
3、 頻道數(shù)量:200個(gè),手持頻道通用;
4、 疊機(jī)3臺(tái),抗干擾能力強(qiáng)。
5、 PLL鎖相環(huán)技術(shù):頻率穩(wěn)定度∠±100Hz;
6、 發(fā)射功率高和低切換;
7、 發(fā)射操作鎖定功能;
8、 紅外線自動(dòng)對(duì)頻;
9、 多重噪聲靜噪自動(dòng)控制;
10、 兩通道Line混合輸出,XRL獨(dú)立輸出;
11、 發(fā)射LCD顯示頻道和電池電量;
12、 發(fā)射電池低壓閃爍至1.6V自動(dòng)關(guān)機(jī);
13、 接收各通道LCD分別顯示:頻率頻道、射頻強(qiáng)度、靜音、天線內(nèi)部分極、及菜單內(nèi)各指標(biāo)調(diào)節(jié)內(nèi)容;
14、 接收機(jī)手動(dòng)音量調(diào)節(jié);
15、 系統(tǒng)使用環(huán)境:溫度-20℃~+45℃,相對(duì)濕度85%;
16、 工作距離:野外1500~2000米;
(二)、產(chǎn)品電子技術(shù)指標(biāo)介紹:
1、發(fā)射機(jī)工作頻率范圍:740MHz~790MHz;
2、發(fā)射射頻功率:≤80mW;
3、射頻調(diào)制噪聲:<-65dBc;
4、射頻調(diào)制度:≤±75KHz;
5、系統(tǒng)接收靈敏度:-65~-105dBm可調(diào);
6、系統(tǒng)音頻頻率響應(yīng):30Hz~18KHz ±3db;
7、輸入信號(hào)強(qiáng)度凈空比:>15db;
8、信噪比:∠-85db;
9、失真度:≤1%;
10、輸出信號(hào)幅度:LINE160mV,XLR12mV;(400Hz/20KHz)。
11、音頻隔離度:>60db;
12、發(fā)射機(jī)工作電壓:3VDC;
13、發(fā)射機(jī)工作電流:450mAmin(5#AA1000MHA電池連續(xù)工作2小時(shí));
14、接收機(jī)電源:12VDC/1000mADC;
(三)、產(chǎn)品包裝規(guī)格:
1、接收機(jī)外型:標(biāo)準(zhǔn)1U;
2、整機(jī)外包裝規(guī)格:530*330*130mm;
二、產(chǎn)品功能及操作方法:
(一)接收機(jī)操作:
- 頻道選擇:按上(或下)鍵選擇頻道(或頻率),按中鍵確認(rèn);
- 紅外線對(duì)頻:按中鍵進(jìn)入菜單第二項(xiàng)(PRG IR),按上(或下)鍵發(fā)射紅外線進(jìn)行對(duì)頻,紅外線對(duì)頻距離在1米以內(nèi)進(jìn)行。對(duì)頻時(shí)接收到當(dāng)前頻點(diǎn)的射頻信號(hào),自動(dòng)中止對(duì)頻,或15秒后自動(dòng)中止對(duì)頻;
- 靈敏度設(shè)置:按中鍵進(jìn)入菜單第三項(xiàng)(SQELCH),按上(或下)鍵進(jìn)入接收機(jī)的靈敏度設(shè)置,在強(qiáng)干擾和短距離使用時(shí)可將靈敏度在0dB到負(fù)45dB范圍內(nèi)手動(dòng)調(diào)節(jié)設(shè)置,按中鍵確認(rèn)。
- 頻率和頻道顯示的切換:按中鍵進(jìn)入菜單第四項(xiàng)(DISPL),按上(或下)鍵進(jìn)行切換,CHANNL顯示頻道,FREQ顯示頻率。按中鍵確認(rèn);
- 音量調(diào)節(jié):接收機(jī)背面手動(dòng)調(diào)節(jié)音量;
- 通道鎖定操作:按中鍵進(jìn)入菜單第5項(xiàng),按上(或下)鍵,OFF解除鎖定,ON鎖定,防止使用中誤操作,按中鍵確認(rèn)。
- 按中鍵菜單返回。
(二)手持麥克風(fēng)操作:
1、麥克風(fēng)射頻功率切換開(kāi)關(guān),H到L衰減7dbm左右,適用遠(yuǎn)近使用距離切換,KTV置L位置使用,H是遠(yuǎn)距離場(chǎng)合使用。
- 手持功能鎖定,開(kāi)關(guān)由OFF到ON鎖定手持操作,防止使用中誤操作。
3、紅外線對(duì)頻時(shí)對(duì)正接收機(jī)的紅外線發(fā)射窗口1米以內(nèi)進(jìn)行。
(三)腰包麥克風(fēng)操作:
1、腰包麥克風(fēng)有三個(gè)應(yīng)用:一是將功能轉(zhuǎn)換開(kāi)關(guān)置于上位置時(shí)(吉它開(kāi)關(guān)在左位置)使用頭戴,二是將功能轉(zhuǎn)換開(kāi)關(guān)置于中位置時(shí)(吉它開(kāi)關(guān)在左位置)使用領(lǐng)夾;將功能轉(zhuǎn)換開(kāi)關(guān)置于下位置(吉它開(kāi)關(guān)在右位置)時(shí)使用吉它;
2、紅外線對(duì)頻時(shí)對(duì)正接收機(jī)的紅外線發(fā)射窗口1米以內(nèi)進(jìn)行。
三、產(chǎn)品配置:
1、手持發(fā)射2只;
2、接收機(jī)一臺(tái);
3、室內(nèi)天線2根;室外天線一副;
4、產(chǎn)品介紹及使用說(shuō)明書(shū)1份;
5、LINE對(duì)接線一條;
6、110~220VAC/12VDC/1ADC開(kāi)關(guān)電源一只;
7、重量:整機(jī)4000克,手持420克。
8、1件5臺(tái)。
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.