DM240XR High-Speed Digital Modulator
AutoEQ™ Interface Operation Guide
MN-DM240XR– Revision 12
D–12
a.
After each data acquisition and processing cycle the MSE display will be updated. A normal
calibration cycle will take 60 to 90 seconds, and system typically performs two or three of
these cycles.
b.
During this calibration, the MSE can be monitored showing the progress of the cycle. A
value of 1 E-5 or less will reflect a success full completion of this step. Additionally, event
light will come on, and the event log will display “EQ CAL SUCCESSFUL” upon
completion of this step. When the EQ CAL is complete, the “EQ CAL” will revert to
“NORMAL” and the AutoEQ file will be named “UNTITLED”.
The AutoEQ calibration must be saved or powering down of the system will loose the
calibration
5.
To change the name of the “UNTITLED” file, using the Front Panel menu, scroll to EQ
RENAME, Press ENTER, use the Up/DN Arrows on the Keyboard to change the name, and press
ENTER to save the new name for the file.
6.
Using the Front Panel menu, scroll to “SAVE EQ CAL”, and press ENTER to save the file.
D.10
Equalizer Modes
The AutoEQ feature must be enabled on the DM240XR, and section 4.2 Equalizer Calibration
must be performed prior to this section.
Disable Mode
To disable a programmed Equalizer Setting, use the Front Panel and scroll to “EQUALIZER”,
press the Enter” key, change the selection to “DISABLE”, and press the Enter key. This will
disable the Equalizer, and allow for normal operation of the DM240XR.
Enable Mode
To enable the equalizer, use the front panel and scroll to “EQ SELECT” and press the Enter key.
Using the Up/Dn keys, scroll to the desired saved equalizer file, and press the Enter key to select
the file. Scroll back to Equalizer, press the Enter key, and using the Up/Dn keys, scroll to
“ENABLE” and press the Enter key. This will enter the selected equalizer file parameters into
the DM240XR Modulator and initiate AutoEQ™ equalization.
Summary of Contents for Radyne DM240XR
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