User Manual

Using a GPI Device with the Audio Punch-In Tool
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If you have a V-LAN VLXi deck controller and a GPI device connected to your Avid system and
they are configured correctly, you can use the GPI to control additional external hardware while
you are working with the Audio Punch-In tool. For example, you might want to control an
indicator light in a recording studio to provide a visual cue for performers or a control light
outside the studio that indicates when recording is in progress.
To make use of this feature, you must:
• Understand when your Avid editing application sends GPI trigger signals. For more
information, see “Understanding GPI Trigger Signals” on page 884.
• Connect a V-LAN VLXi deck controller and a VLXi-GT GPI to your Avid system. For more
information, see “Connecting a V-LAN VLXi Controller and GPI” on page 885.
• Configure the V-LAN VLXi deck controller and the GPI. For more information, see
“Configuring a V-LAN VLXi Controller and GPI” on page 886.
• Create GPI settings for your specific needs. For more information, see “Working with GPI
Settings” on page 887.
Understanding GPI Trigger Signals
Your Avid editing application sends three different GPI trigger signals under the following
circumstances:
For more information on using the Audio Punch-In tool, see “Recording Voice-Over Narration
Using Audio Punch-in” on page 853.
GPI Signal Sequences
GPI signal sequences differ, depending on whether or not you are using the Audio Punch-In tool
with preroll and postroll.
Trigger Signal Sent When
Play Out Playback begins.
Recording with the Audio Punch-In tool ends but playback
continues because a postroll value is set in the Audio Punch-In
tool (that is, the signal is sent when the Stop button in the Audio
Punch-In tool changes to blue).
Record Out Recording with the Audio Punch-In tool begins.
Stop Out Playback stops.