User manual

Automation Protocol AB Mixer Commands

Miranda Technologies Ltd Page 108

V-Fade AB U8

This command causes the AB mixer to fade from the current input to the

other via the V-fade colour (see UD) over specified number of fields. A

separate duration for the up and down phases is supported if asymmetric V-

fades are required.

CMD Param_1 Param_2

U8 %03x: Fields for ‘down’

section of fade.

%03x: Fields for ‘up’ section -

allows for asymmetric V-fades

Set Absolute Mix U9

This command sets the AB mix position to the specified absolute value. The

absolute mix value can range from 0 (A=100%, B=0%) to 512 (A=0%,

B=100%)

CMD Param_1

U9 %03x: Value

Asymmetric Transition UA

This command performs V-fade, X-fade, cut or wipe (according to current

Transition Mode – set with U6 command) to the destination specified.

For X-fades, V-fades and Wipes, the total duration is the down section of the

fade (Param_1).For cuts, the duration is ignored.

CMD Param_1 Param_1 Param_2

UA %01x: Destination:

0 = A input

1 = B input

%03x: Fields for ‘down’

section of fade

%03x: Fields for ‘up’

section - allows for

asymmetric fades

Transition Complete UB

Issued by Presmaster on completion of an AB mix/wipe transition to take

input back to ‘A’.

Similar to ‘Cut to A’, but includes compensating delays for Squeezy, etc.

CMD