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800057-01 Rev. B
Chapter 3 Operation
This chapter contains detailed operating instructions that will guide you in the
efficient use of your DTV742. The following sections address:
• Operation Overview
• Ethernet/Web Browser Setup
• DTV742 Controls and Indicators
• Front-panel Operation
• Initialization
• Transport Stream Processing
• Alarm/Warning System
• Software Upgrades
3.1 Operation Overview
The DTV742 contains four RF tuners and four multiplexers in a single chassis.
Programs from the four tuners are selected for processing. Each ASI output has
its own multiplexer which selects programs from any one or all of the tuners. A
given program may be included in one or more of the output ASI streams.
The unit is controlled primarily through the Ethernet connector using a web
browser. Limited control is available from the front-panel LCD/keypad. All
settings may be presumed to be retained through power cycling unless other-
wise specified. This means that they are still in effect through resets, whether
by power outage, commanded reset, or failure-recovery resets.
3.2 Ethernet/Web Browser Setup
The DTV742’s primary user interface is from a web browser using the rear-
panel Ethernet LAN connection. An HTML script interface allows a user to
control and monitor the unit using a standard web browser. Each unit contains
a user-defined quad URL address, subnet mask, and gateway address (See
) which must be established from the front panel.
There are two basic methods of using the Ethernet connection – with a directly
connected PC or with a PC connected through a LAN.
Directly
connected PC
For control from a local PC, attach the DTV742’s Ethernet port to the Ethernet
network connector on the PC using a crossover RJ-45 cable (8 pins).
Before using this Ethernet connection, the appropriate IP address, netmask,
and gateway must be selected via the front-panel interface.
Summary of Contents for DTV742
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