Converter X: Mute/Freq; Converter X: Attenuation; Config: Refadj (Reference Oscillator Adjustment) Menu - Comtech EF Data MBT-5000 User's Installation And Operation Manual

MBT-5000 L-Band Up/Down Converter System
Front Panel Operation
5.2.2.3.1

Converter X: Mute/Freq

For either side – A or B – the display differs depending on whether the selected module is a BUC
or BDC.
For example, if you select Converter A and it is a BUC:
CONFIG CnvA:
Tx=On
Use the ▼▲ arrow keys to select Tx as either On or Off (muted), and then press ENTER.
Similarly, if you select Converter B and it is a BDC:
CONFIG CnvB:
Rx=On Freq=01980.000MHz
Use the ▼▲ arrow keys to select Rx or Freq. Note that Freq displays only when the module is a
Ku-Band BDC unit.
Use the ▼▲ arrow keys to select Rx as either On or Off (muted), and then press ENTER.
To edit the frequency, use the ◄ ► arrow keys to first select the digit to edit, and then use the
▼▲ arrow keys to edit the value of that digit. Press ENTER when done.
5.2.2.3.2

Converter X: Attenuation

For either side – A or B – and typical whether the selected module is a BUC or a BDC:
CONFIG CnvX: Offst=+2.00
Attenuation = 00.00 dB
Offst (Offset) will display only if the module is an offline unit.
5.2.2.4

CONFIG: RefAdj (Reference Oscillator Adjustment) Menu

Reference Frequency
Adjust: 087
Use this menu for the reference oscillator adjustment. Use the ◄ ► arrow keys to first select the
digit to edit, and then use the ▼▲ arrow keys to edit the value of that digit. Press ENTER when
done.
The default Reference Frequency tuning adjustment is 087, with allowable values from 0 to 255.
5–10
MN-MBT5000
Revision 4