Comtech EF Data SDM-650B - Manual (Page 121)

SDM-650B Satellite Modem Operation
Rev. 5 4–19
4.1.4.5 Select Utility
Refer to Table 4-6. For additional information, refer to Section A.2.
Utility functions allows the user to:
• Set the time and date of the modem real time clock
• Perform a front panel lamp test
• Monitor the modem address, parity, and baud rates
• Offset the modulator output power
• Set operational mode for TX-only, RX-only, or duplex mode
• Turn Fast Acquisition ON or OFF
• Set BER threshold
• Assign data and code rates to the modulator and demodulator
After entering the Utility functions level, use
[ ← ] and [ → ] to select the desired utility
function.
Note: The selection of data/code rates in the Utility program must match the hardware
filters installed on the modulator and demodulator modules.
Time Set real clock time.
When selected, the current time in the modem’s memory is displayed. To
set the modem time, press [ENTER]. Use [
← ] and [ → ] to position the
flashing cursor over the parameter to be changed. Use [ ↑ ] and [ ↓ ] to
change the parameter to the desired value. Once the parameters are
displayed as desired, press [ENTER] to set the time.
Date Set real clock date.
When selected, the current date in the modem’s memory is displayed. To
set the modem date, press [ENTER]. Use [
← ] and [ → ] to position the
flashing cursor over the parameter to be changed. Use [ ↑ ] and [ ↓ ] to
change the parameter to the desired value. Once the parameters are
displayed as desired, press [ENTER] to set the date.
LAMP TEST ?? Lamp test function is used to illuminate the front panel indicators for three
seconds.
Press [ENTER] to turn ON all front panel indicators for three seconds.
Address/Parity/
Baud Rate The current modem address, parity selection, and selected baud rate of
the modem is displayed. This is only a monitor function. No changes can
be made from this menu.
On entry, the currently set address of the modem will be displayed (0 to
255) on the first line. The currently set parity, even or odd, will be
displayed on the second line. The currently set baud rate from 110 to
9600 will also be displayed on the second line.