
3–56 • Operating Instructions
LDP-8242 User Manual (Iss. 03)
In Case of Problems
Should any problem arise with this product that was not solved by the information in this section,
please contact Ross Technical Support.
Table 3.6 Troubleshooting Processing Errors by Symptom
Symptom
Error/Condition
Corrective Action
• DashBoard™ shows Video
yellow icon and Input Invalid
message in LDP-8242 Card Info
pane.
• Card-edge Input Format LEDs
show continuous cycling.
No video input present
Make certain intended video source is
connected to appropriate LDP-8242 card video
input. Make certain BNC cable connections
between frame Rear I/O Module for the card
and signal source are OK.
• DashBoard™ shows none in
Reference message in
LDP-8242 Card Info pane.
Frame sync reference not
properly selected or not being
received
• If external frame sync reference is not
intended to be used, make certain the
Framesync Mode selection list is set to Free
Run or Input Video as desired.
• If external frame sync reference is intended to
be used, make certain selected external frame
sync reference is active on frame sync frame
bus. (External reference signals Reference 1
and Reference 2 are distributed to the
LDP-8242 and other cards via a the frame
bus.).
Refer to
Framesync
function submenu tab on
page 3-17 for more information.
Video/audio synchronization or
delay noted.
Source synchronization
condition
Use the Audio/Video Delay Offset controls to
compensate for video/audio delay.
Refer to
Audio Bus Input Routing/Controls
function submenu tab on page 3-28 for more
information.
Ancillary data (closed captioning,
timecode, Dolby® metadata,
AFD) not transferred through
LDP-8242.
VANC line number conflict
between two or more ancillary
data items
Make certain each ancillary data item to be
passed is assigned a unique line number (see
Ancillary Data Line Number Locations and
Ranges on page 3-9).
AES audio not processed or
passed through card.
AES Port Direction Select not
set to match intended use for
AES rear module port.
Each AES channel pair has port direction
selectors that set the AES as input or output.
Make certain port is set as input or output, as
intended, in accordance with Output Audio
Routing/Controls (p. 3-35).
Card will not retain user settings,
or setting changes or presets
spontaneously invoked.
GPI Controls tab GPI Coding
set to Binary with no controlled
GPI source connected to GPI
inputs
If GPI is not to be used, make certain GPI
Coding control on GPI Controls tab is set to
Disabled. (If control is left on Binary with no
inputs, the pull-up HI logic state on the open
inputs will be interpreted as two “HI’s” on the
inputs, resulting in an invoked preset.
Содержание LDP-8242
Страница 1: ...LDP 8242 Multi Definition Loudness Processor User Manual ...
Страница 26: ...1 18 Introduction LDP 8242 User Manual Iss 03 ...
Страница 94: ...4 4 Specifications LDP 8242 User Manual Iss 03 ...
Страница 98: ...Notes ...
Страница 99: ...Notes ...