4 info: refosc (reference oscillator), 4 select: utility, 1 utility: date/time (set real-time clock) – Comtech EF Data MBT-5003 User Manual
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MBT-5003 L-Band Up/Down Converter System
Revision 1
Front Panel Operation
MN-MBT5003
5–14
5.3.3.4
INFO: RefOsc (Reference Oscillator)
Note: This selection is used for debugging purposes only.
This screen displays the raw voltage of the voltage tuning monitor, and the external reference
status. For example:
Ref Osc: Vtune = 04.7
Ext Ref: N/A
Press ENT or CLR to return to the previous menu.
5.3.4
SELECT: Utility
Note: Low Noise Amplifier (LNA) operation is not supported by the MBT-5003. The LNA
selection on this submenu is therefore nonfunctional.
UTILITY: Date/Time CID
Display Firmware LNA
Use the
◄ ►
arrow keys to select from the submenu choices shown, then press ENT. The following
table identifies each submenu available from the SELECT: Utility menu branch – typical for
Converter Unit A or Unit B – its content section in this chapter, and functional description of each
submenu:
Submenu Sect
Functional Description
Date/Time 5.3.4.1
Edits the Real-Time Clock time and date settings
CID
5.3.4.2
Edits the 24-character Circuit ID string.
Display
5.3.4.3
Adjusts the brightness level of the Vacuum Fluorescent Display (VFD).
Firmware
5.3.4.4
Displays the installed internal firmware and permits user the boot using a selected
firmware image.
5.3.4.1
UTILITY: Date/Time (Set Real-time Clock)
Edit Real-Time Clock:
12:00:00 10/31/10(◄ ►▲ ▼ E)
To edit the time and date settings of the real-time clock, first select the digit to be edited using the
◄ ► arrow keys, then change the value of that digit using the ▲ ▼ arrow keys. Press ENT
when done.