Quasonix RDMS, Инструкция по установке и эксплуатации

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3
rd
Generation Rack-
Mount RDMS™
45 Quasonix, Inc.
Figure 60: AGC Menu, AGC Freeze Selection
4.4.2.16.5 AGC Zero Mode
The AGC Zero Hold (On/Off) option from the 2
nd
Generation RDMS was replaced by AGC Zero Mode. There are
three available settings, Manual, Hold, or Hold and Save.
•
Manual
–
Means the AGC must be zeroed (set) manually after any frequency or IF bandwidth change, or
after a power cycle; the IF bandwidth may change if the bit rate changes
If AGC was already zeroed and a user scrolls through the AGC Zero Mode options, AGC zero is cleared
when Manual is selected.
•
Hold
–
Means the AGC will hold its zero level after any frequency or IF bandwidth change but must be
zeroed manually after a power cycle
•
Hold and Save
–
Means the AGC will hold its zero level after any frequency or IF bandwidth change, or
after a power cycle
The user may scroll through the AGC Zero Mode values by scrolling to the AGC Zero Mode option and pressing the
Enter key on the front panel keypad until the desired value displays.
Figure 61: AGC Menu, AGC Zero Mode-Manual Highlighted
The AGC Zero mode (manual, hold, or hold and save) remains set if a waveform mode changes.