Scientific Atlanta 3250HDTM 用户手册

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Explorer 3250HD High-Definition Interactive Set-Top 
 
 
 
 
 
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Description, continued 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
  
 
The  3250HD makes it easy to maximize 
the screen image for non-HD channels. 
For a widescreen HDTV set, simply 
click “stretch” and then “zoom” from 
the Quick Settings menu on the 
3250HD set-top. 
To meet the demands of existing and future network configurations, the 
3250HD offers power, capacity, and compatibility. The integrated internal 
DAVIC cable modem allows the 3250HD to communicate instantly with the 
cable headend to promote a broad range of interactive entertainment, 
information, and communications services. Over 40 MB of application and 
program memory, along with the 166 MHz RISC microprocessor, manage 
multiple program tasks and applications with speed and power. The USB port 
offers fast interconnectivity to consumer peripherals. 
Optional Features 
•  16 MB Flash Memory 
•  32 MB Applications DRAM 
•  DVI 1.0 Digital HDTV Output 
•  IEEE 1394 Digital Outputs 
•  Loop-Through Connections for Component HDTV, Composite Video, and 
Analog and Digital Audio 
• IR 
Blaster 
Cable 
• IR 
Extender 
Cable 
• RF 
Bypass 
• Universal 
AllTouch
®
 Remote Control: AT8400, AT8450, *AT8550, AT2400, 
or AT2300 
 
  
 
To maximize the screen image for a 
standard 4:3 HDTV set, simply change 
the scan rate to 480i using the Quick 
Settings menu on the  3250HD set-top. 
 
Taping an HD broadcast to an analog VCR is seamless with the 3250HD. 
The set-top simultaneously displays the HD image and downconverts it to SD 
(standard definition) through the NTSC outputs. 
The optional VCR Commander Service integrates the interactive TV program 
guide with the VCR so that consumers simply point-and-click to setup and 
record programs. 
3250HD rear panel showing optional IEEE 1394 digital outputs
3250HD rear panel showing optional loop-through connections