Comtech EF Data CDM-740 - Manual (Page 73)

CDM-740 Advanced Satellite Modem Revision 0
Front Panel Operation MN-CDM740
5–21
5.6.2 Monitor: Stored-Events
Stored Events: Clear-All View
( ◄► E)
Select View or Clear-All using the ◄ ► arrow keys, then press ENTER .
5.6.2.1 (Monitor:) Stored-Events Æ Clear-All
Clear All Stored Events: No Yes
( ◄► )
Use the ◄ ► arrow keys to select Yes or No. Press ENTER when done.
If Clear-All=Yes is selected, the event log is cleared and the user is returned directly to the
previous menu. However, if there already are faults present on the unit at this time, they will be
re-time-stamped, and new log entries will be generated.
5.6.2.2 (Monitor:) Stored-Events Æ View
Event 006(
v): 01/01/09 00:00:00:24
Clear Unit FEC card
An example of a Stored Events screen is shown.
The event log can store up to 255 events. When a fault condition occurs, it is time- & date-
stamped and put into the log. Similarly, when the fault condition clears, this is also recorded.
Note that, in accordance with international convention, the date is shown in DAY-MONTH-
YEAR format.
Use the
▲ ▼ arrow keys to scroll up and down through the event log entries. Press ENTER or
CLEAR to return to the previous menu.
5.6.3 Monitor: Rx-Params
Rx Parameters: EsNo=99.9
BER=9999 RxLevel=LT-90
This read-only screen provides the active Rx Parameters mode information as follows:
Item Description
EsNo
Displays the value of Es/No calculated by the demodulator. The value
referred to here is the energy per symbol bit (Es), divided by the noise
spectral density (No).
BER Displays an estimate of the corrected Bit Error Rate .
RxLevel
Displays the dBm reading indicating the signal level of the desired receive
carrier. Resolution: 0.5dB