Routine Operation
3-112
SCM4000
Operator’s Guide/Tech Ref Manual
Note
Changes to Presets are not automatically saved.
Changes to Preset settings will be lost if the Preset
is recalled before Preset setting changes have
been saved.
To save Preset setting changes, go to step 19. To
recall line equalizer Preset settings established
prior to performing this procedure without saving
the latest changes, go to step 20.
19.
To save Preset setting changes, perform
. Procedure is complete.
20.
To recall Preset settings without saving the latest
changes, perform
“Recall Preset Settings” on page 3-
.
The procedure required to monitor and/or change the Pseudo
Random Bit Sequence (PRBS) state to
On
or
Off
is contained in
the following steps.
This procedure should be performed only during setup or during
troubleshooting. Setting the PRBS state to
On
enables a test
pattern to be received to determine if interfaces are passing
accurate data. During normal operation, the PRBS state should
be set to
Off
.
1.
Verify the SCM4000 is powered up.
2.
Verify the Main Screen is displayed.
. If the Main Screen is not displayed, press the
ESC
key repeatedly until the Main Screen is
displayed.
Figure 3-313: Main Screen Menu - Typical
3.
Press the Down arrow key, as required, to move the
>>
cursor to the
System Menu
option.
4.
Press the
SEL
key or Right arrow key and observe the
System Menu
.
Figure 3-314: System Menu - Typical
5.
Press the Up or Down arrow keys, as required, to
move the
>>
cursor to the
Preset Menu
option.
6.
Press the
SEL
or Right arrow key to select the
Preset
Menu
option.
Note
“
X
” indicated in the
Preset Menu
in the following
steps represents Presets
1
thru
9
. “
Preset #X
”
represents the Preset name.
7.
Observe the
Preset Menu
is displayed.
SCM4000
>> Demodulator
System Menu
System Menu
>> Preset Menu
Active Errors
Error Log
Содержание SCM4000
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