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www.TELE-satellite.com
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TELE-satellite International —
全球发行量最大的数字电视杂志
11.
With encrypted channels, StreamXpert provides detailed information on the
type of CAS system in use
12.
The DTE-3137 supports the reception modes DVB, DVB-RCS and ATSC
13.
DTAPI mode
14.
Network settings in DTAPI mode
15.
Switching between DTAPI and SMPTE modes is as simple as one mouse click
16.
The DTE-3137’s web interface in SMPTE mode
17.
Frequency entry in SMPTE mode
18.
Settings for the output of received data SMPTE mode
19.
Network settings in SMPTE mode
20.
Display and control of the DTE-3137 via SNMP software
this tool can do, namely the
analysis, display and record-
ing of transponder streams
that can be received with a
compatible receiver, such as
the DTE-3137, the use of this
tool will be nothing less than
self-explanatory.
In the tool’s upper-most
symbol bar, StreamXpert
shows the reception hard-
ware found in the local net-
work. Right next to that are
two entry fields for frequency
and modulation parameters.
And, as is typical with pro-
fessional equipment, the IF
frequency of the desired sat-
ellite transponder has to be
entered, in other words, the
LOF must first be subtracted
from the satellite transpon-
der frequency. For example,
if the DTE-3137 is to receive
the frequency 12150 MHz
and you’re using a univer-
sal Ku-band LNB, you would
enter the IF frequency of
1550
MHz (12150 MHz – LOF
of 10600 MHz). What might
be standard and typical for
a professional might at first
be a little irritating for a be-
ginner but it ends up saving
the manufacturer a lot of ex-
tra work if they were to take
into account all the different
types of LNBs that are in use
today. Along those lines, it
also makes sense that the
22
kHz signal is not auto-
matically turned on or off
based on the frequency that