Comtech EF Data CDM-550T - Manual (Page 49)

CDM-550T Satellite Modem Revision 3
Front Panel Operation MN/CDM550T.IOM
6.2.3.2 (CONFIG:) RX (Receive)
The sub-branches available are:
RX: MOD FRQ DATA FEC ACQ
DESCRAM CLK BUF RSI EbNo
6.2.3.2.1 (CONFIG: RX) MOD (Modulation)
Select BPSK, QPSK, or Offset QPSK demodulation, using the [
←] [→] arrow keys, then press
ENTER. (Note: if a TURBO FEC option is selected, the demodulation type will be automatically
fixed, and the user will be presented with a warning screen.)
SELECT RX MODULATION:
BPSK QPSK OQPSK (ENTER)
6.2.3.2.2 (CONFIG: RX) FRQ (Frequency)
Edit the receive frequency. This is accomplished by selecting the digit to be edited, using the [
←]
[
→] arrow keys. The value of the digit is then changed using the [↑] [↓] arrow keys. The user
should then press ENTER. The range of frequencies is from 52 to 88 MHz or 104 to 176 MHz (70 /
140 MHz factory option).
EDIT RX FREQUENCY:
72.2345 MHz (PRESS ENT)
6.2.3.2.3 (CONFIG: RX) DATA (Data Rate)
Edit the Rx data rate. This is accomplished by selecting the digit to be edited, using the [
←] [→]
arrow keys. The value of the digit is then changed using the [
↑] [↓] arrow keys. The user should
then press ENTER. The overall range of data rates is from 2.4 to 2048 kbps.
EDIT RX DATA RATE:
64.000 kbps (PRESS ENT)
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