6. 内容
NANOXX 9800HD
HD Receiver with an unprecedented
number of features ................... 14
TOPFIELD SRP2100 TMS
Multimedia Receiver - Update .... 26
TECHNOMATE TM-2300
Satellite Antenna
Motor in
Long-term Test ................. 32
PROMAX
DIGITAL TO TV
DVB-T to Cable
Modulator ......................... 36
GLOBAL INVACOM OPTISCAN
The First Signal Analyzer
Beginner‘s Section:
with an Optical
Input ............................... 44 What Causes Juddering of H-H Dish Media: China Satellite News ................84
Motors? .............................................10
Satelliten Information:
DXer Report: New Satellites ....................................88
DISHPOINTER How to control a satellite dish via PC .....52
Satellite Installation News: Satellites Transmissions ............90
Software .......................... 56 Company Overview:
Best Satellite Companies News: Digital Terrestrial Television .......94
of the World.......................................68
News: IPTV & Cable ...........................96
Company Report:
Satellite Receiver Manufacturer AZBOX, Digital Terrestrial TV Handbook .......99
HORIZON NANOSAT Portugal ............................................72
Signal analyzer for the SatcoDX Satellite Handbook .......... 115
do-it-yourself digital DXer Report:
satellite system installer .... 62 Satellite DXer in Antalya, Turkey ...........80 History: 10 Years Ago ...................... 174
广告
ABCBIZNIS ................................. 5 HORIZON ...................................25 SATCOM AFRICA-2010 .............. 125
ABCOM .......................................12 INFOSAT.....................................21 SATCOM RUSSIA-2010 ............. 129
ALUOSAT ....................................92 GLOBAL INVACOM ......................29 SEATEL .......................................35
ANGA-2010.................................65 JIUZHOU .................................. 180 SENKO ........................................97
AZBOX ...................................... 179 MFC ............................................91 SKYWORTH ................................ 7
AZURE SHINE .............................95 MOTECK .....................................69
SMARTWI ...................................49
BOIINGSAT ................................45 NAB ............................................81
SPAUN ........................................27
CABSAT-2010 .............................89 NANOXX .....................................39
SUBUR SEMESTA ........................77
CCBN-2010 .................................53 NETUP ........................................93
SVEC ..........................................17
CES-2010 ...................................71 OPENBOX ...................................83
CHANGHONG ..............................11 PASAT ANTENY ......................... 123 TEHNICB ....................................93
CONVERGENCEINDIA-2010 ...... 121 PROMAX .....................................51 TECHNOMATE ............................. 4
CSTB-2010 .................................59 PULSTAR ....................................87 TELEMANN .................................75
DISHPOINTER .......................... 127 ROGETECH.................................. 41 TOPFIELD .................................... 2
DOEBIS .................................... 8-9 SATCATCHER ..............................87 TRUSAT ......................................67
6 TELE-satellite — Global Digital TV Magazine — 12-01/2010 — www.TELE-satellite.com
7.
8.
9.
10. BEGINNER’S SECTION Dish Motor
What Causes
receivers have a maximum current output
of 500 mA, which is on the low side for a
motorised dish system. A single LNB alone
requires some 150 mA and if you add a
Juddering of H-H
motor’s starting current of approximately
320 mA you can see that there isn’t much
leeway left. If the starting current is even
higher due to a large and heavy dish or
Dish Motors?
some obstacle in the antenna’s way the
receiver’s current limiter activates and
stops the flow of current, resulting in a
juddering dish movement.
Heinz Koppitz
Workaround: A smaller and therefore
A motorised dish can quickly turn from blessing to lighter antenna often does the trick. In
some cases, however, only a new receiver
nuisance if the antenna rotates too slowly or starts to with a current output of more than 500
judder when large angles are covered. When worse mA will help alleviate this problem. On
comes to worst the motor might even get stuck, causing most receivers the maximum output is
indicated on the back panel next to the
the receiver to freeze as a consequence. What’s the
coax socket.
reason for this and is it a defect of the motor?
Case 3 – The receiver freezes
Actually, the motor is not to blame. Dish ogy is the culprit. For reasons of compat- when it is switched on and the dish
motors of major brands are generally ibility switching the LNB from horizontal
motor never starts moving.
state-of-the-art and sport the DiSEqC 1.2 to vertical reception still takes place with
protocol, meaning they can be controlled changing the supply voltage from 18 V
with all corresponding DiSEqC commands to 14 V. Reduced voltage automatically Having installed a motorised dish only
sent by receivers. They also accept all results in reduced motor movement. to find out that the receiver freezes and
Goto X commands (DiSEqC 1.3 or USALS) switches off while booting is everybody’s
which are used to precisely move the dish Workaround: There’s not much you nightmare. This happens with receivers
to any available satellite position. can do to achieve consistent movement which not only have a current output of
speeds. Some receivers increase voltage less than 500 mA, but which also react
This means we need to look elsewhere to 18 V while the motor runs and switch too sensitively whenever current peaks
to identify the problem, which mostly back to 14 V (if vertical signals need to occur. During the booting process the
be received) when the final position dish motor also activates right away and
lies in the supply voltage provided by
is reached. Usually there is no indica- consumes a short but powerful current
the receiver to the LNB. The same power
tion of this on the receiver itself and in pulse which causes these receivers to
supply is also used by the dish motor
most cases it is not even mentioned in abort booting.
and two devices drawing power from
the same supply may cause insufficien- the technical specifications. What would
be an ideal solution is LNBs which accept Workaround: The only thing that really
cies. We have to bear in mind that this
DiSEqC commands and can be switched makes sense is exchanging your receiver
power supply was implemented in receiv-
for another model.
ers long before there was even any talk with simple DiSEqC requests generated
of DiSEqC-based dish motors and it was by the receiver. Unfortunately, such LNBs
If you want to avoid having to buy a new
never designed for any additional current do not – yet – exist.
receiver you may also hook up the DiSEqC
consumers.
Case 2 – The dish motor does not control device of your motor’s manu-
facturer to the antenna line. While this
Case 1 – The dish motor only move continuously and stops in
gadget is originally designed for DiSEqC
moves slowly at times. between. 1.0 receivers unable to create commands
for the motor, it does come with a line
If your dish motor sometimes moves If your dish motor judders this is a clear amplifier that makes sure sufficient cur-
too slowly conventional switching technol- indication of receiver overload. Many rent is available at all times.
10 TELE-satellite — Global Digital TV Magazine — 12-01/2010 — www.TELE-satellite.com
11.
12.
13.
14. TEST REPORT 高清PVR卫星电视接收机
12-01/2010
Nanoxx 9800HD
NANOXX 9800HD
An outstandingly equipped universal
HD receiver with an unprecedented
number of features
清晰,更清晰,Nanoxx
清晰, 更清晰, Nanoxx! 这条广告语突然出现在德国制造厂家 Nanoxx 的网站上,这给了我
们认真加以测试的理由。 让我们一一道来吧。几星期前, Nanoxx 要我们再次聚焦他们最
当
新 9800HD 的时候,我们则当仁不让。 我们已经测试了多种 Nanoxx 接收机, 而且每次都留
下深刻的印象。
当邮递卡车把装有接收机 是很容易读取。前面板上 6 前面板右边仓门的后面找到 使用 HDMI 接口与电视或投
的 包 裹 送 到 我 们 测 试 中心 个按钮可以代替遥控器,用 它们。 影仪连接, 它准备了 3 个
时,我们非常兴奋。 当我们 于操控接收机,而第 7 个按 RCA 插口,一个 S-Video插
打开它时,9800HD 用它那典 钮发出蓝光时则说明接收机 当你看到新型 Nanoxx 接 口, 一个 CVBS 插口和两个
型、优美、修长的设计赢得了 正在使用中。 收机后面板所有的接口时,
我们的眼球。 你不禁会问:
“他们海遗忘什
两个 CI 插槽都支持 么了吗?” 如果你仔细地察
它的大小只有30×6.3×22 通用模块,如 Irdeto、 看, 就会看到各种接口都应
cm, 它很适合摆放在电视 Nagravision、Cryptoworks 有尽有。
架上或客厅机柜内的任何地 或 Vi a c c e s s, 外还 有一
此
方。它那银、黑色的组合显示 个支持 Conax、X-Crypt、 当然最重要的是两个兼容 0.56
出设计的细致周到,优美而 DG- Crypt、Firecrypt 和 DVB-S 和 DVB-S2 一进一
不张扬。蓝色的字符显示也 Crypton的读卡器,你可以在 出的调谐器接口。9800HD能
14 TELE-satellite — Global Digital TV Magazine — 12-01/2010 — www.TELE-satellite.com
15. 具有多种分类形式的频道目录
www.TELE-satellite.com — 12-01/2010 — TELE-satellite — Global Digital TV Magazine 15
32. TEST REPORT 卫星天线电机
Technomate TM-2300
天线电机的长时间测试
Technomate 的 TM-2300 可以很容易将一个单收站变成一个能在某一
特定位置上接收所有可能接收得到卫星的接收系统。Technomate 电动
天线历经多年考验,就经过改善精度又一次引见给我们,于是我们就要进
行更加深入细致的了解。电动天线电机是解决接收天空
上卫星数量不断增加这一问题的最好办法。Technomate
的TM-2300 的操作和所有 H-H 电机一样都是固定在极
轴架上,电机的极化角与北极星一致并与地球轴线平
行。这样从一个卫星转到另
一个卫星时,不再进行方位
角和仰角的调整;只需要电
机方向的简单转动即可,而
单维度调整由 TM-2300 即
可自动完成。
TELE-satellite World www.TELE-satellite.com/...
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Available online starting from 27 November 2009
32 TELE-satellite — Global Digital TV Magazine — 12-01/2010 — www.TELE-satellite.com
36. TEST REPORT DVB-T 有线网前端
12-01/2010
Promax
PROMAX DIGITAL TO TV
The perfect solution to distribute digital
signals to a cable network in absolute
error-free quality.
数字电视前端
数字有线电视?这很简单!
DVB-S 是数字卫星电视的标准。DVB-T 是数字地面电视的标准, DVB-C 则是数字有线电
而
视的标准。 因此,如果你想要通过有线网向众多用户提供数字电视节目,你就必需要为他
们配备 DVB-C 机顶盒。你也会需要 DVB-C 前端。但这通常很昂贵吧? 来自 Promax 公司
的专家们说: 不,你可以做得更简单、更便宜!
36 TELE-satellite — Global Digital TV Magazine — 12-01/2010 — www.TELE-satellite.com