Comtech EF Data CDM-700 - Manual (Page 69)

CDM-700 High Speed Satellite Modem Revision 5
Front Panel Operation MN/CDM700.IOM
6–15
Tx:
Æ Sym
Tx Sym Rate:
34.368000 Msps (E)
This is a ‘read only’ status window that displays the Symbol Rate. Refer to the detailed
explanation provided under (CONFIG:) Tx Æ Data.
The symbol rate shown in this example is for a composite data rate of 34.368 Mbps (E3) when
the modulation is QPSK and the code rate is 3/4.
Press
ENTER
or
CLEAR
to return to the previous menu.
Tx:
Æ Pwr
Tx Power: Level
On/Off Imped (E)
Select Level, On/Off, or Imped using the ◄ ► arrow keys. Press
ENTER
.
IMPORTANT
The Imped(ance) selection is only available/displayed when the 70/140 MHz
Modulator card is installed.
If Tx Power Æ Level is selected:
Tx Output Power Level:
-24.9 dBm ( E)
Edit the TX Power Level by selecting the digit to be edited, using the ◄ ► arrow keys. The
value of the digit is then changed using the
▲ ▼ arrow keys. Press
ENTER
. The valid ranges are
as follows:
70/140 MHz 0 to -20 dBm
L-Band -5 to -25 dBm
If Tx Power Æ On/Off is selected:
Tx Output State: Off On Rx-
Tx_Inhibit ( E)
Select Off, On, or Rx-Tx_Inhibit using the ◄ ► arrow keys. Press
ENTER .