Routine Operation
3-32
MRX4000 PLUS
Operator’s Guide/
Technical Reference Manual
6.
Press the Up or Down arrow keys, as required, to
select the
>> Preset Menu
option.
7.
Observe the
Preset Menu
(
Figure 3-57
) is displayed.
Figure 3-57: Preset Menu - Typical
8.
Press the Up or Down arrow keys, as required, to
select the
> Recall Preset
option.
9.
Press the
SEL
key or Right arrow key and observe the
>
cursor changes to a
!
cursor.
10.
Press the Up, Down, Right, or Left arrow keys, as
required, to select the Preset programmed for the IF
IN MPEG or RF IN MPEG operation mode and press
the
SEL
key.
11.
Press the
ESC
key until the Main screen is displayed.
12.
Press the Up arrow key, as required, to select the
COFDM Settings
option.
Notes
In the following step, if the cursor adjacent to the
COFDM Settings
option is not a
>>
cursor, the
wrong Preset has been selected for the IF IN
MPEG or RF IN MPEG operation mode.
Repeat from
step 4
to select the correct Preset.
13.
Verify the cursor adjacent to the
COFDM Settings
option is a
>>
cursor.
14.
Press the
SEL
key or the Right arrow key and observe
the
COFDM
menu (
Figure 3-58
) is displayed.
Preset Menu
* #1:Preset 1
Save Settings
Recall Preset
Figure 3-58: COFDM Menu - Typical
15.
Press the Up or Down arrow keys, as required, to
select the
* ModType:
option.
16.
Observe
ModType:
indicates
Unlk
,
QPSK
,
16QAM
,
or
64QAM
.
17.
Press the
ESC
key until the Main screen is displayed.
3.7.3
Monitor Forward Error Correction
The procedure required to monitor Forward Error Correction
(FEC) is contained in the following steps.
1.
Verify the MRX4000 PLUS is powered up.
2.
Verify the Main screen (
Figure 3-59
) is displayed. If
the Main screen is not displayed, press the
ESC
key
until the Main screen is displayed.
Figure 3-59: Main Screen Menu
3.
Press the Up or Down arrow keys, as required, to
move the cursor to the
COFDM Settings
option.
COFDM
> Bandwidth (A): 6
ModType: Unlk
FEC: Unlk
>> MPEG Settings
FMR Settings
COFDM Settings
Summary of Contents for MRX4000 PLUS
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