Comtech EF Data MD2401 User Manual

Page 37

MD2401 L-Band Multi Demod Installation and Operation Manual

User Interfaces

MN-MD2401

4–5

Revision 7

Figure 4-2. Demodulator Menu

Frequency (MHz):

{950 – 1750 MHz}

Allows the user to enter the Modulator IF Frequency in 1 Hz
increments.

Sweep Bound (kHz):

{±0 to 42 kHz}

Allows the user to set the acquisition range for the demodulator

Data Rate (bps):

{Refer to Technical Specs for Data Rates}

Allows the user to set the Data Rate in bps steps via the Front
Panel Arrows or Keypad.

External Reference (MHz):

{Variable Through Data Rate}

Allows the user to select the external clock frequency in MHz.

Ref Source:

{INTERNAL, EXTERNAL}

Allows the user to select the Frequency Reference Source.

Input Level Limit:

{-30 to -90 dBm}
Allows the user to adjust the low level threshold limit for input
power. Input power level below the threshold limit will trigger a
major alarm on the demodulator.

Demodulation:

{QPSK, BPSK, OQPSK, 8PSK}

Allows the user to select the demodulation type.