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DMD15/DMD15L IBS/IDR Satellite Modem User Interfaces
TM051 - Rev. 5.8 4-9
Demod IF (menu):
Frequency: {50 – 90 MHz, 100 – 180 MHz, or 950 – 1750 MHz (L-
Band)}
Allows the user to enter the Modulator IF Frequency in 1
Hz increments.
Spectrum Inv: {Normal, Inverted}
Allows the user to invert the direction of rotation for PSK
Modulation. Normal meets the IESS Specification.
Demodulation: {QPSK, BPSK, OQPSK, 8PSK, 16QAM}
Allows the user to select the demodulation type.
Spectrl Msk: {Intelsat}
Allows the user to set the spectral shape of Tx Data
Filter.
Swp Bound: {±0 – 32 kHz}
Allows the user to set the acquisition range for the
demodulator
Swp Delay: {0.0 – 900.0 sec}
Allows the user to set the reacquisition delay time in
1/10
th
second increments. (See section 3.24 for a
complete description of the DMD15/DMD15L
reacquisition.
ReAcq Sweep: {0 – 32000 Hz}
Allows the user to set the reacquisition sweep in 1 Hertz
increments. (See section 3.24 for a complete description
of the DMD15/DMD15L reacquisition.