Routine Operation
3-117
SCM4000
Operator’s Guide/Tech Ref Manual
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
, and the
>
cursor changes to a
!
cursor.
Figure 3-330: 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.
.
Figure 3-331: Demodulator Menu - Typical
14.
Press the Up or Down arrow keys, as required, to
move the cursor to the
PRBS Info:
option.
.
Preset Menu
! #X: Preset #X
Save Settings
Demodulator
> SR: 10.0MS/s
Mod Type: 16QAM
SNR: 30.3dB
Figure 3-332: 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
Reset PRBS
option.
Figure 3-333: PRBS Info Menu - Typical
17.
Press the
SEL
key and observe the
BER:
indication
has been reset.
18.
Press the
ESC
key repeatedly until the Main Screen is
displayed.
If your SCM4000 configuration contains both a Modulator and a
Demodulator module, refer to
to monitor or change internal
Modulator Preset parameters or settings. Refer to
Demodulator Menu Operations” on page 3-76
to monitor or
change internal Demodulator Preset parameters or settings.
Demodulator
Rate: 1.54Mb/s
PRBS Info:
> Line Eq: On
> PRBS: Off
PRBS Info:
BER: 1.200e-7
Reset PRBS
Содержание SCM4000
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