Comtech EF Data SLM-5650 Installation And Operation Manual page 80

SLM-5650 Satellite Modem
Front Panel Operation
Select: CONFIG: Transmit: Frequency
Tx Frequency:
Edit the Tx Frequency, using either step 1 or 2:
1. Key in the desired frequency using the numbered keypad.
2. Select the digit to be edited, using the
7/140 MHz
L-Band
Spectrum
IMPORTANT
Select: CONFIG: Transmit: Power
Tx Power:
State
Level
Control
1955.0000 MHz
Spectrum: Normal
then changed using the
52-88, 104-176 MHz (in 100 Hz steps)
950-2000 MHz (in 100 Hz steps)
Normal or Invert, (used to counteract frequency converters that invert the
spectrum)
When entering an IF frequency, the M&C will check the occupied
bandwidth calculated from the data rate, modulation type, code rate
and overhead and will not allow an IF frequency to be entered if the
occupied bandwidth falls outside of the minimum or maximum IF
frequencies.
State:On
Control:
Permits the user to select On or Off.
Permits the user to edit the Power Level from –40 dBm to +10 dBm in 0.1 dB
steps by either:
1. Key in the desired number using the keypad.
2. Select the digit to be edited using the
the digit is then changed using the
3. The user should then press [E].
Permits the user to select Normal or RTS. RTS is an interface signaling
control. It stands for Request to Send. If enabled RTS can be used to control
the output state of the modulator. Only available when using either the EIA-530
or HSSI interface.
(
arrow keys. The value of the digit is
arrow keys. The user should then press [E]
Level:-20.0
Normal (
4–10
Revision 2
MN/SLM5650.IOM
E)
E)
arrow keys. The value of
arrow keys.