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Config: Rx: Code Rate; Config: Rx: Symbol Rate - Comtech EF Data CDM-710 Installation And Operation Manual

Broadcast satellite modem

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CDM-710 Broadcast Satellite Modem
Front Panel Operation

Config: Rx: Code Rate

If Code Rate is selected:
Code Rate: 1/2 3/5 2/3
3/4 4/5 5/6 7/8 8/9 9/10
The cursor only lands on valid code rates depending upon the mode and purchased options. If the
Mode is set to DVB-S2 the menu is read only and the demodulator automatically resolves the
code rate.
Enter this enter menu from the one above to update the display. Prior to synchronization of the Rx
path the cursor may reside in any position.
All possible choices are presented at all times.
If an option is not installed (either Hardware or FAST) or valid, or if a code
rate is not available for the Mode selected, the  arrow keys will force
IMPORTANT
the cursor to skip past the unavailable choice.
This is accomplished by selecting the digit to be edited, using the arrow keys. The user
should then press

Config: Rx: Symbol Rate

SymRate
If
is selected:
Data: 017.185842 Mbps
Sym: 017.379483 Msps
If the Rx Path is not locked, the message should read:
Data: Demod Unlocked
Sym: 017.379483 Msps

Use the
arrow keys to select the desired digit of the Symbol Rate. The value of the digit
is then changed using the arrow keys. The user should then press
In DVB-S and DVB-DSNG mode the Data Rate digits also change as the Symbol Rate values are
edited. The value of the Data Rate depends upon the code rate, modulation type. See the table
Config:Tx:SymRate
under the
programming a new symbol rate (or indirectly a data rate) the value is not accepted unless it is
within a valid range.
ENTER
.
menu for the valid range of symbol / data rates. When
(E)
(E)
5–23
Revision 9
MN/CDM710.IOM
ENTER
.

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