Comtech EF Data MBT-5000, Руководство пользователя по установке и эксплуатации

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MBT-5000 L-Band Up/Down Converter System MN-MBT5000
Front Panel Operation Revision 4
5–21
ConvX LNA: Calibr (Calibrate Reference Current)
ConvX LNA Ref = 400.0 mA
Calibrate: No Yes (◄ ► E)
On the bottom line , use the
◄ ►
arrow keys to select No or Yes , and then press ENTER . If you
select Yes and the LNA successfully calibrates, the current value appears on the top line of the
screen (e.g.,
400.0 mA
).
If calibration fails, however, the error message “
Calibration failed. Out of
Range.
” Displays, an the MBT-500 returns you to the previous menu. You will also observe,
once the previous menu re-displays, that no value appears on the top line for the reference
current (e.g.,
N/A
):
ConvX LNA Ref = N/A
Calibrate: No Yes (◄ ► E)
ConvX LNA: (Window) Enable
ConvX LNA Window:
Disable Enable (◄ ► E)
On the bottom line
, use the
◄ ►
arrow keys to Disable or Enable LNA alarms/faults
handling, and then press ENTER .
ConvX LNA: (Window) Range
ConvX LNA Range:
20%
On the bottom line
, use the
▼
▲
arrow keys to select a range percentage from
20%
to
50%
,
and then press ENTER .
5.2.6 SELECT: Test Menu Branch
TEST: Lamptest
Press ENTER to begin the diagnostics run on the front panel Light-Emitting Diode arrays and
Vacuum Fluorescent Display. The Side A and Side B LEDs will cycle, and the VFD will briefly
generate a test pattern.
Once the test has run, press CLEAR to return to the SELECT: (Main) menu.