Routine Operation
3-68
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 3-173: 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
Modulator
option.
13.
Press the
SEL
key or Right arrow key and observe the
Modulator
menu is displayed.
Figure 3-174: Modulator Menu - Typical
Note
In the following steps, “
Data ChX
” represents
Data
Ch1
thru
Data Ch4
.
Preset Menu
! #X: Preset #X
Save Settings
Modulator
> SR: 20.0MS/s
Mod Type: 16QAM
Data Ch1:
14.
Press the Up or Down arrow keys, as required, to
move the cursor to the
Data ChX:
option required.
Figure 3-175: Data Channel Menu - Typical
15.
Press the Down arrow key to move the cursor to the
Rate:
option and observe the cursor changes to a
*
cursor.
Note
Pressing the
SEL
key when the
*
cursor is
displayed will lock the display to allow you to
monitor bit rate changes as they occur. To unlock
the display, press the
ESC
key.
16.
Observe the current bit rate is displayed.
17.
Press the
ESC
key repeatedly until the Main Screen is
displayed.
The procedure required to monitor and/or change the IF level
from -5 to -15dBm is contained in the following steps.
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.
Modulator
* Data ChX
T1/E1 X
Rate: 1.54Mb/s
Содержание SCM4000
Страница 1: ...Manual Part No 400509 1 Rev A February 2006 Technical Reference Manual Single Carrier Modem SCM4000 ...
Страница 2: ......
Страница 14: ...Introduction 1 4 SCM4000 Operator s Guide This page intentionally left blank ...
Страница 234: ...Repair 6 2 SCM4000 Technical Reference Manual This page intentionally left blank ...
Страница 242: ...Theory of Operation 8 6 SCM4000 Technical Reference Manual This page intentionally left blank ...
Страница 250: ...Glossary A 8 SCM4000 Operator s Guide Tech Ref Manual This page intentionally left blank ...
Страница 266: ...Symbol Rate Calculations C 8 SCM4000 Technical Reference Manual This page intentionally left blank ...
Страница 274: ...Index 8 SCM4000 Technical Reference Manual This page intentionally left blank ...