Routine Operation
3-141
SCM4000
Operator’s Guide/Tech Ref Manual
Figure 3-402: MPEG Decoder Menu
14.
Press the Up or Down arrow keys, as required, to
select the
Gen Lock:
option.
15.
Press the
SEL
key or Right arrow key and observe the
>
cursor changes to a
!
cursor.
16.
Press the Up, Down, Left, or Right arrow keys, as
required, to change the
Gen Lock:
setting to
On
or
Off
.
17.
Press the
SEL
key and observe the
!
cursor changes
to a
>
cursor.
18.
Press the
ESC
key repeatedly until the Main Screen is
displayed.
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 generator lock 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
MPEG Decoder
> Color Bars: Auto
Audio Out: Dig
Gen Lock: Off
changes, perform
“Recall Preset Settings” on page 3-
.
Monitor/Change NTSC Pedestal Settings
To monitor or change NTSC Pedestal settings to
On
or
Off
,
perform the following steps for each Preset, as required.
When selecting NTSC Pedestal
On
or
Off
options, note that
most Tandberg MPEG Decoders automatically add a 7.5 IRE
video pedestal, both MRC and Tandberg Encoders provide a
choice of pedestal or no pedestal, and the SCM4000 Decoder
permits selection of a pedestal (
On
) or no pedestal (
Off
).
Using
, you should select the option setting that results
in the desired 7.5 IRE video pedestal.
Table 3-8: NTSC Pedestal Levels
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.
Decoder
Encoder
MRC
NTSC No
Pedestal
MRC
NTSC In
Pedestal
Tandberg
NTSC No
Pedestal
Tandberg
NTSC No
Pedestal
Tandberg
Alteria Plus
15 IRE
7.5 IRE
15 IRE
7.5 IRE
SCM4000
Pedestal
Off
7.5 IRE
0 IRE
7.5 IRE
0 IRE
SCM4000
Pedestal
On
15 IRE
7.5 IRE
15 IRE
7.5 IRE
Summary of Contents for SCM4000
Page 2: ......
Page 14: ...Introduction 1 4 SCM4000 Operator s Guide This page intentionally left blank ...
Page 234: ...Repair 6 2 SCM4000 Technical Reference Manual This page intentionally left blank ...
Page 242: ...Theory of Operation 8 6 SCM4000 Technical Reference Manual This page intentionally left blank ...
Page 250: ...Glossary A 8 SCM4000 Operator s Guide Tech Ref Manual This page intentionally left blank ...
Page 274: ...Index 8 SCM4000 Technical Reference Manual This page intentionally left blank ...