CLEAR-COM對(duì)講系統(tǒng)MS-704技術(shù)參數(shù)
Technical Specifications | |
d Bu is an absolute measurement. 0 d Bu is referenced to 0.775 volts RMS | |
Station Capacity | Up to 55 RS-701 beltpacks or 10 speaker stations or 12 headset stations distributed over all channels |
Panel Microphone Input | Input Type: Electret Input Impedance: >=2K |
Headset Microphone Input | Input Type: Dynamic |
Program Line Input | Maximum Level before Clipping: >= 20dBu |
Headset Output | Load Impedance: >= 8 Output |
peaker Output | Load Impedance: >= 4 |
Party Line Output | Output Noise: < -74dBu |
Partyline Input | Crosstalk: < -60dB |
Stage Announce/Balanced Line Out | Type: Balanced |
IFB/Hot Mic | Type: Unbalanced |
Frequency Response | Panel Mic - Partyline: 600 - 10KHz ± 3dB |
Max Distortion | Panel Mic - Partyline: <= 0.5% |
Noise | Panel Mic - Partyline: < -65dBu |
Max Gain | Panel Mic - Partyline: >= 37dB |
Min Gain | Panel Mic - Partyline: <= 25dB |
Mains Power | Input Voltage Range: 100 - 240 VAC |
Environmental | 32 - 122°F (0 - 50°C) |
Dimensions | 3.5 x 19 x 10.5 in (HxWxD) (88 x 483 x 267 mm) |
Weight | 10.9 lbs (4.9 kg） |
CLEAR-COM對(duì)講系統(tǒng)介紹
Encore? is a 2-wire analog partyline system with intuitive plug-and-play design and superior “Clear-Com Sound”audio quality.
Description
The MS-704 is a 2RU four-channel main station with programmable front panel buttons, individual channel short-circuit protection, individual channel volume control, and a regulated fail-safe power supply. The MS-704 supports up to 55 beltpacks or 10 speaker stations, or 12 headset stations.
Audio Sources and Monitoring
The MS-704 accepts five separate program audio sources: four line-level balances inputs and one assignable line-level input. The assignable program input accepts a balanced signal and is designed for monitoring external audio. The four balanced program inputs can be used to create individual program feeds on the intercom channels. The MS-704 can monitor intercom activity on one or all four channels with individual volume level controls. Monitoring intercom activity is possible through a headset or the internal high-sensitivity loudspeaker.
Talk Selection
The MS-704 has mic pre-amps with limiters and speech-shaping circuits. An individual electronic momentary/latching Talk button is available for each channel. Illuminated dual-action Talk buttons light an LED dimly when latched: blue-color while in standby, amber-color when latched. The latching feature can be disabled. The channels can be accessed separately or simultaneously without tying them together. A selector switch toggles between the headset or microphone. The Talk buttons can also be controlled with a footswitch.
Announce Output
For paging, the MS-704 provides a balanced, line-level output signal to a ?-inch TRS connector on the rear panel. The front panel Announce button activates the output and th Announce relay. The relay circuit, on a separate ?-inch TRS connector, is typically used to mute monitors.
Call Signaling
The MS-704 has individual Call buttons with visual call signaling for each channel on the partyline. The visual signal will flash brightly and will emit an audible signal if the remote station operator holds the Call button for more than 2 seconds. The call signaling feature can be programmed to the Talk buttons.
描述
MS-704是一個(gè)2RU四通道主站，具有可編程前面板按鈕、獨(dú)立通道短路保護(hù)、獨(dú)立通道音量控制和穩(wěn)壓故障安全電源。 MS-704支持多達(dá)55個(gè)腰包或10個(gè)揚(yáng)聲器站，或12個(gè)耳機(jī)站。
音頻源和監(jiān)控
MS-704 接受五個(gè)獨(dú)立的節(jié)目音頻源：四個(gè)線路電平平衡輸入和一個(gè)可分配的線路電平輸入?？煞峙涞某绦蜉斎虢邮芷胶庑盘?hào)，專(zhuān)為監(jiān)控外部音頻而設(shè)計(jì)。四個(gè)平衡的節(jié)目輸入可用于在對(duì)講頻道上創(chuàng)建單獨(dú)的節(jié)目饋送。 MS-704 可以通過(guò)單獨(dú)的音量控制監(jiān)控一個(gè)或所有四個(gè)通道上的對(duì)講活動(dòng)?？梢酝ㄟ^(guò)耳機(jī)或內(nèi)部高靈敏度揚(yáng)聲器監(jiān)控對(duì)講活動(dòng)。
談話選擇
MS-704 具有帶限制器和語(yǔ)音整形電路的麥克風(fēng)前置放大器。每個(gè)通道都有一個(gè)單獨(dú)的電子瞬時(shí)/鎖定通話按鈕。帶燈的雙動(dòng)通話按鈕在鎖定時(shí)會(huì)發(fā)出微弱的 LED 燈：待機(jī)時(shí)為藍(lán)色，鎖定時(shí)為琥珀色。可以禁用鎖定功能。這些通道可以單獨(dú)或同時(shí)訪問(wèn)，而無(wú)需將它們捆綁在一起。選擇器開(kāi)關(guān)在耳機(jī)或麥克風(fēng)之間切換。通話按鈕也可以通過(guò)腳踏開(kāi)關(guān)進(jìn)行控制。
宣布輸出
對(duì)于尋呼，MS-704為后面板上的1/4英寸TRS連接器提供平衡的線路電平輸出信號(hào)。前面板Announce按鈕激活輸出和Announce繼電器。繼電器電路位于單獨(dú)的?英寸TRS連接器上，通常用于使監(jiān)視器靜音。
呼叫信令
MS-704有單獨(dú)的呼叫按鈕，partyline上的每個(gè)通道提供可視呼叫信號(hào)。如果遠(yuǎn)程站操作員按住呼叫按鈕超過(guò)2秒，視覺(jué)信號(hào)將明亮閃爍并發(fā)出聲音信號(hào)。呼叫信號(hào)功能可以編程到通話按鈕。
CLEAR-COM對(duì)講系統(tǒng)其他常用型號(hào)：
CLEAR-COM MS-702
CLEAR-COM MS-704
CLEAR-COM SB-704
CLEAR-COM CS-702
CLEAR-COM Walkie talkie NEW + ORIGINAL+ ONE YEAR WARRANTY
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CLEAR-COM對(duì)講系統(tǒng)MS-704產(chǎn)品介紹
