II-9
Bus Delegation
Chapter 2 Video Switching
Bus Delegation
This unit includes three video composition blocks, M/E (Mix/Effect), Aux1, and Aux2. Each block includes four or two
buses and can execute transitions.
However, Aux1 is dedicated to Aux1 PGM bus and Aux1 PST bus mixing, Aux2 is dedicated to Aux2 PGM bus and Aux2
PST bus mixing, and wipes, keys, and other effects cannot be added to either.

Using the Bus Delegation Buttons

Turn on (i.e., light) one of the following buttons by
pressing it to select the control objects for the cross-point
control block and transition control block.
To select a key source
Press a PST/KEY cross-point button while holding down
the KEY button.

Mixing Video Created with M/E (Mix/

Effect) with Other Video

By using Aux1 or Aux2, you can mix video (PGM) created
with M/E (Mix/Effect) with another video.
This section describes the procedure for using Aux1 as an
example.

Preliminary settings

1
Select the Aux1 program as the program video output.
Settings menu: [Setup] menu > [Video (Output)]
menu (page II-53)
2
Set Aux1 as the reference signal for the on-air tally.
Settings menu: [Setup] menu > [GPI/Tally] menu >
[On Air Source] (page II-46)
Video input Video output
Preview
Program
Aux1 Preview
Aux1 Program
Aux2 Preview
Aux2 Program
Aux1 PGM Bus
Aux1 PST Bus
Aux2 PGM Bus
Aux2 PST Bus
Key Source Bus
Key Fill Bus
PST Bus
PGM Bus
Aux1
Aux2
M/E
(Mix/Effect)
Bus
delegation
button
Object for control
Cross-point control block Transition
control block
PGM row PST/KEY row
BKGD PGM bus PST bus MIX, EFF
KEY PGM bus Key Fill bus, Key
Source bus
MIX, EFF
AUX 1 Aux1 PGM
bus
Aux1 PST bus MIX only
AUX 2 Aux2 PGM
bus
Aux2 PST bus MIX only