Cobalt Digital COMPASS 9034 Input Processing Analog to Digital Video - Manual (Page 77)

9034-OM (V4.1) 9034 PRODUCT MANUAL 3-37
Operating Instructions
9034 Function Submenu List and Descriptions
(continued)
Audio LTC and RS-485 LTC controls described below only appear on cards with +LTC licensed optional
feature. This feature allows bidirectional conversion between VBI-based timecode and LTC timecode on audio and RS-485
interfaces.
• Timecode Source Status Displays Displays the current status and contents of the supported timecode
formats shown to the left.
• If a format is receiving timecode data, the current content (timecode
running count and line number) is displayed.
• If a format is not receiving timecode data, Unlocked is displayed.
• If Audio LTC is being received, the timecode running count is
displayed.
• Audio LTC Source selects audio source to be used by card audio
LTC function as listed below.
• AES Ch 1 thru Ch 16
• Analog audio Ch 1 thru Ch 8
Note: Audio LTC Source must be appropriately set for card to receive
and process audio LTC.
• RS-485 Port LTC Control Allows RS-485 port to be used to receive LTC, or send LTC over RS-485
port as follows:
• If RS-485 LTC is to be received via the shared RS-485 port, set the
RS-485 Port Function control to LTC In.
• If RS-485 LTC is to be outputted via the shared RS-485 port, set
the RS-485 Port Function control to LTC Output. The timecode
string carried on the LTC output is that selected using the Source
Priority controls described on the next page.
• Incoming ATC Packet Removal Control This control is not applicable for this card.
• Source Priority As described here, selects the priority assigned to each of the four
supported formats in the event the preferred source is unavailable.
Each of the four Source Priority selection lists allows assignment of
source priority from the following choices:
Source Priority 1 thru Source Priority 4 select the preferred format to be
used in descending order (i.e., Source Priority 2 selects the second-most
preferred format, and so on.
Table 3-2 9034 Function Submenu List — continued