Microwave Radio Communications SCM4000, Техническое справочное руководство

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Routine Operation 3-113 SCM4000 Operator’s Guide/Tech Ref Manual
Figure 3-315: Preset Menu - Typical
8. Press the Up or Down arrow keys, as required, to
move the cursor to the
Recall Preset option. Observe
the cursor changes to a > cursor.
9. Press the SEL or Right arrow key and observe the
Recall Preset option changes to #X: Preset #X , as
shown in Figure 3-316 , and the > cursor changes to a
! cursor.
Figure 3-316: Recall Preset Option
10. Press the Up, Down, Left, or Right arrow keys to select
Preset
1 thru 9 , as required, and press the SEL key.
11. Press the ESC key repeatedly until the Main Screen is
displayed.
12. Press the Up or Down arrow keys, as required, to
move the
>> cursor to the Demodulator option.
13. Press the SEL key or Right arrow key and observe the
Demodulator menu is displayed. See Figure 3-317 .
Preset Menu
* #X: Preset #X
Save Settings
Recall Preset
Preset Menu
! #X: Preset #X
Save Settings
Figure 3-317: Demodulator Menu - Typical
14. Press the Up or Down arrow keys, as required, to
move the cursor to the
PRBS Info: option. See
Figure 3-318 .
Figure 3-318: Demodulator Menu - Typical PRBS Option
15. Press the SEL key or Right arrow key to select the
PRBS Info: option.
16. Press the Up or Down arrow keys, as required, to
select the
PRBS: option and observe the > cursor
changes to a ! cursor. See Figure 3-319 .
Figure 3-319: PRBS Info Menu - Typical
17. Press the Up or Down arrow keys, as required, to
select
On or Off .
18. Press the SEL key and observe the ! cursor changes
to a > cursor.
Demodulator
> SR: 10.0MS/s
Mod Type: 16QAM
SNR: 30.3dB
Demodulator
Rate: 1.54Mb/s
PRBS Info:
> Line Eq: On
> PRBS: Off
PRBS Info:
BER: 1.200e-7
Reset PRBS