X1200 Series Router Manual
OPERATION
Revision 1.3.2
Page 3-3
Some early X1202 routers fitted with the AES option were shipped with two breakout panels. These units
can be used in either a dual 12 x 2 configuration or quad 12 x 1 configuration where the audio busses can
be associated with either video buss V1 or V2. When these units were shipped from the factory they were
configured in the quad 12 x 1 mode and audio busses 1A and 1B are assigned to video buss V1. Similarly
audio busses 2A and 2B are assigned to video buss V2. (See Figure 6-10 to Figure 6-13)
To select a crosspoint for buss V1, press the V1 button and then select the desired input by pressing one
of the buttons 1 to 12. Note that when buss V1 is selected the V1 button will light as well as the buttons
corresponding to the audio busses that are assigned to follow video buss V1. When the desired input is
selected the button for that bus will light and the video label for that input will be displayed on the front
panel display. The input labels for the associated audio busses may be displayed momentary by pressing
the respective audio buss keys.
When selecting an audio bus that has been assigned to a video bus, all the buttons for that AFV assigned
group will light and any input selection will effect the whole group.
On early versions of the X1202 routers with the AES option operating in the quad 12 x 1 configuration, the
Audio busses that follow the respective video busses can be changed using the Input Setup menu. Any
audio channel that has not been assigned to an AFV group will not be effected by V1 or V2 switch
selections and may be independently controlled by pressing the respective audio buss selector button.
The switch selection may be disallowed if there is no video present on the input chosen depending on the
setting of the No Video Action menu item in the Input Setup menu. A message No Video Present will
be temporally displayed. Similarly if the Video input has been turned off using the Video V1 and V2 menu
item in the Input Setup menu, the switch will be disallowed and the message Input turned off will be
displayed. Turning off Audio inputs in the Input Setup menu will cause the audio switch to be ignored by
any AFV switching.
3.2.2. Breakaway Audio On An Audio Follow Video Group
The occasion may arise were one wants to select a different audio input than what the video buss
normally dictates. This is a breakaway function and the router allows for this mode. To initiate a
breakaway function the first step is select the desired input for the Video buss as described in section
3.2.1. Then press the BREAKAWAY key to enter the breakaway selection mode. The BREAKAWAY
key will blink to indicate that breakaway mode has been entered. At the same time all of the audio buss
keys for that breakaway group will light along with the current selected input key. To break away audio
Bus 1B press that key. The Audio 1B key will blink to indicate the specific breakaway buss. Press the
key for the desired input selection for the audio 1B buss. The selected input key will also blink indicating
that it will be selected for audio buss 1B when the breakaway is completed. The other input key that is still
lit represents the buss selection for the V1 buss and the 1A audio buss that have not changed. The
breakaway is now set up. To complete the breakaway, press the BREAKAWAY key again. The panel
will now show the BREAKAWAY key lit and two input keys will also be lit.
To understand which inputs belong to which buss, press the button for the buss in question. Only the
input button and the button for that buss will light - all other keys will be temporally extinguished. During
that short interval the display will show the input label for that input key.
To cancel the breakaway simply press the next input selection. At this time all the busses in that AFV
group will track to that input selection.
It is also possible when in breakaway mode to select breakaways for all the Audio busses that are
assigned to follow the video. It is also possible for the breakaway to work on the video bus. This allows
for a salvo switch where all audio and video busses are switched to different inputs.
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