3-34.
3-35.
3-36.
3-37.
The net display mode can only be
displayed when Link-11 is operating in
which of the following modes?
1. Net test
2. Net sync
3. Roll call
4. Short broadcast
The PU field in the header of the Net
Display screen of the LMS-11 is used to
define which of the following units, if
any, while in the summarize mode?
1. NCS
2. Own station PU number
3. The PU whose recurring transmission
is used to define a cycle
4. None, the PU field is only used
during the History mode
To change the Net Display screen from
the summarize mode to the PU history
mode, the operator would take which of
the following actions?
1. Depress the history mode key on the
keyboard
2. Enter a zero into the SUMMARIZE
field of the Net Display header
3. Enter the PU number of the unit to be
monitored in the PU field
4. Both 2 and 3 above
On the Net Display screen, which of the
following values indicates an
unacceptable SNR?
1. 5 dB
2. 15 dB
3. 25 dB
3-38.
When the LMS-11 is in the Net Display
(summarize) mode, which of the
following conditions will cause the
FRAME CNT value of a picket to be
displayed in yellow and followed by a
“?”?
1. The average number of frames per
transmission exceeds seven
2. The average number of frames per
transmission is six or less
3. The average signal to noise level per
transmission exceeds 20 dB
4. The average signal to noise level per
transmission is less than 20 dB
3-39.
The %THRU column of the Net Display
screen displays which of the following
values?
1. The percentage of data received by
the listed PU that is error-free
2. The percentage of message data
frames received by the LMS-11 that
contain errors
3. The percentage of message data
frames received by the LMS-11 that
are error-free
4. The percentage of control code frames
received
3-40.
Which of the following power levels
listed in the REL 605 column of the Net
Display screen indicates normal operation
of the link?
1. -3 dB
2. –6 dB
3. +3 dB
4. +6 dB
4. 34 dB
24
