ISM 482 Integrated Scaling Matrix Switcher • Operation 12
Video/Audio Selection Button and LEDs
a Video/Audio button — The Video/Audio button selects video, audio, or video and
audio for creating ties. If neither is selected, no ties can be created.
Video and Audio LEDs — The green Video LED and red Audio LED indicate whether
video, audio, video and audio, or neither will be selected using the Input buttons and
indicated by the Input LEDs (d).
Figure 12 shows the sequence displayed by the LEDs when you cycle through video
and/or audio selection by pressing the Video/Audio button repeatedly as follows.
Default
(Video &
audio)
VIDEO
AUDIO
Video
only
VIDEO
AUDIO
Audio
only
VIDEO
AUDIO
None
VIDEO
AUDIO
Video &
Audio
VIDEO
AUDIO
Press
button
Press
button
Press
button
Press
button
LED key:
= on, = off
Figure 12. Video and/or Audio Selection Cycle
Output Buttons and LEDs
b Output 1 and Output 2 buttons — The Output 1 and Output 2 buttons select output
1 or output 2. Press an output button to select that output and automatically deselect
the other output (see figure 13).
Output 1 and 2 LEDs — The Output 1 and Output 2 LEDs indicate the output that is
selected (see figure 13). Only one Output LED can be lit at a time.
NOTE: Only one of the two outputs can be selected at a time.
Press
button
LED key:
= on, = off
2
OUTPUTS
2
OUTPUTS
2
Press
button
OUTPUTS
Figure 13. Output Selection Cycle
When an output is selected, its tied input is indicated by the associated Input LED. You
can select a different input to tie to this output by pressing the desired input button.
