Digital Output Card
504X
504X Digital Output Card
®
11
3. After you have selected the output routing, don’t touch the DITHER and
SHAPE buttons for a couple of seconds and then they will flash again
and return to their normal operation.
NOTE:
This channel swapping function has no memory once the unit has
been powered down. You will need to reset the output routing upon power
up if necessary.
The dbx 504X comes with the word input
75
Ω
terminated. For certain con-
figurations, you may wish to have the sync input be unterminated. Certain
"house sync" configurations will require you to change the default position
of the termination jumper on the main circuit board. For example, if you
run your sync to several pieces of equipment using a tapped configuration
(using BNC T’s) as shown below, only the last box, box C, would be ter-
minated (marked "T" on the circuit board). Unfortunately, some equipment
does not allow the user to change the termination setting. These pieces of
equipment are usually provided with a permanent termination. If you use
the 504X with another piece of terminated equipment in tapped configu-
ration, you should unterminate (marked "U" on the circuit board) the
504X’s sync input. The same is true if you wish to use several 504Xs in a
tapped configuration. The dbx 504X can also be used in a daisy chain fash-
ion where each piece of equipment can remain terminated so the termi-
nation can remain in the default "terminated" position. See Fig. 4 for loca-
tion of termination jumper.
Sync Source
A
504X
C
Tapped Configuration
Sync Source
A
504X
C
Daisy Chain Configuration
Word Input
Digital Output Channel Swapping
(cont.)
Содержание dbx 504X
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