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头端编码设备 |
应用软件 |
模拟定位机顶盒 |
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模拟视讯转换盒
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● 全功能遥控 |

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| ● 音要控制和静音功能 |
| ● 可随意设定喜看频道 |
| ● 父母频道设定功能 |
| ● 可设定开机频道 |
| ● 内存保密装置 |
| ● 主副机功能(EA522) |
| ● 支持64组节目索引(EA522) |
| ● 支持MMDS系统(EA522)选配 |
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对系统经营之益处: |
| ● EA521/522系列寻址译码器,使用低成本的模拟式译码技术对应头端数字式"phasekrypt"
扰码技术,对系统经营者提供最低成本的负担。 |
| ●
EA521/522系列寻址译码器,并未预存相关译码数据,完全由头端授权控制,能杜绝一切想由译码器解的任何海盗行为,提供业者增加营收及保障投资之最安全保证。 |
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透过PPV及IPPV的功能,增加系统业者营收。 |
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基频译码,影像不失真。 |
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系统业者可定义任何频道为通讯频道,当译码器开机时,自动跳至通讯频道。此功能的设定,可使收视户一开机,可优先收视到系统业者所提供的任何讯息。 |
| 收视户特性: |
| ● 遥控器,EA521/522系列遥控器,简捷易懂的控制面板,提供灵敏及长距离红外线遥控。 |
| ● 喜看频道设定:收视户本身,可随时设定或删除喜看频道,并有专属喜看频道上下搜寻键,方便收视户在喜看频道中尽情漫游。 |
| ● 亲子频道设定:收视户可将大适宜儿童观看节目,设定在亲子频道中,并由用户本身自设密码控制进入。万一用户忘记密码,可由头端重新设定。 |
| TECHNICAL SPECIFICATION |
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RF INPUT
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SCRAMBLING METHOD
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Input
Frequency
Range
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55-806 MHz
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Video
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PhaseKrypt®
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Inputs Signal Level
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-5~+20 dBmV
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Video Inversion
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Noise Fgure
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8dB Typical
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Horizontal Sync. Overlay
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Input Impedance
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750
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Vertical Sync. Overlay
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Audo
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Frequency Shlft
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RF MODULATOR
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Addressable Sensitivity
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-25 dBmV
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Output Channel
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NTSC:CH
3/4/13
A/V
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PAL B/G: CH, E2/E3 and A/V
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SYSTEM CONTROLABLE FEATURE
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PAL M: CH,3/4 and A/V
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Home Channel
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Any Channel
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PAL D:CH,DS2 and A/V
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System Force Tune Channel
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Any Channel
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Output Impedance
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75
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No Pay Prompt Channel
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Any Channel
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Output Level
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6 dBm V typial
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No Auth Prompt Channel
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Any Channel
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Authorization Information
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VIDEO PERFORMANCE
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Initialization Command
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Differental Gain
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5%
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Decoder Conflguration
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Differental Phase
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5"
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Output Level
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1Vp-p
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POWER REQUIREMENT
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S/N Ratio
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45dB
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Power Input
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105-130Vac or 210~240Vac, 50~60Hz
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Output Impedance
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75
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Power Consumption
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10Watts
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Build-in Power(Ootion)
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For Down Converter
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AUDIO PERFORMANCE
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18 VDC 300 mA Max.
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S/N Ratio
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50dB
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Harmonic Distortion
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4%
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PHYSICAL AND ENVIROMENTAL
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Output Impedance
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1k Unbaiance
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Size
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222×60×170mm
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Weight
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1.10kg
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Temperature
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10℃-40℃ operating
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-20℃-65℃ Storage
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Relative Humiaity
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10%-95% non-condensing
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