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CDM-710G High-Speed Satellite Modem
Front Panel Operation
If Rx Demod:
Rx Adaptive Equalizer:
Off On
The adaptive equalizer helps correct for linear distortion in the rest of the link. Linear distortion
includes amplitude and phase that would occur due to imperfect filtering effects, but it does not
include distortion due to non linear amplifiers. Select operation as Off or On using the
keys, then press
If Rx Demod:
Rx IQ TPs (J2-11,J2-3):
Pre-EQ
This selection determines whether the IQ test point located on the Alarm Connector samples the
IQ signal before or after the Adaptive Equalizer. J2-11 and J2-3 refer to the pins on the Alarm
Connector that an oscilloscope is connected to monitor I and Q. Select Pre-Eq or Post-Eq using
the
arrow keys, then press
If Rx Demod:
Rx Demodulation Pilot:
Off On
This menu is read-only, as the demodulator automatically determines if the pilots are On or
Off. Press
ENTER
If Rx Demod:
Rx Descrambling Index:
Gold-n = 000000
The Gold-n Index indicates the Physical Layer spreading sequence number, and can be set from 0 to
262,141. The default setting is all 0s.
To edit the index, use the
keys to change the value of the digit. Press
(CONFIG:) Rx
Code Rate: 1/2 3/5 2/3
3/4 4/5 5/6 7/8 8/9 9/10
This menu is read-only, as the demodulator automatically resolves the code rate. Press
or
to return to the previous menu.
CLEAR
Eq is selected:
(
E)
.
ENTER
IQ-TP is selected:
Post-EQ
(
.
ENTER
Pilot is selected:
(
E)
or
to return to the previous menu.
CLEAR
Scr (Descrambler) is selected:
(
▲ ▼ E)
arrow keys to select the digit to be edited, then use the
Code
E)
when done.
ENTER
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Revision 1
MN-CDM710G
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