Hall Research Technologies VS-2A-PRG Manual page 12

Model VS-2A-PRG
ASCII P (or Hex 50)
Toggles the Input Priority Selection. The device will
respond with: PC 1 priority selected or PC 2 priority
selected
If input #1 priority is selected, the unit will select input #1
automatically whenever the presence of the video at PC 1
input is detected even if the PC 2 input is currently playing.
If input #2 priority is selected, the unit will select input #2
automatically whenever the presence of the video at PC 2
input is detected even if the PC 1 input is currently playing.
ASCII N (or Hex 4E)
Selects no priority. The device will respond with: No
priority selected
ASCII B (or Hex 42)
Blanks the output. The device will respond with: Blanked
When the output is blanked, only the color intensities of the
output are reduced to zero, the unit still operates in normal
fashion and sync signals are still routed to the output. Audio
output is muted.
ASCII U (or Hex 55)
Un-blanks the output. The device will respond with: Un-
blanked
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