Grass Valley Maestro Master Control Reference Manual v.2.4.0 - Manual (Page 83)

MAESTRO — Automation Interface Protocol Technical Reference Manual 83
TRAN_PRESET (Preset distributed transition parameters)
5 = Custom (used with <rate_SS:FF> argument to specify transition rate)
<rate SS:FF> = <seconds> <frames>
Specifies the transition rate when <rate> = 5, or reports the current transition rate on a reply. See "<seconds>"
and "<frames>" below.
<delay SS:FF> = <seconds> <frames>
Specifies the take delay, or reports the current take delay on a reply. See "<seconds>" and "<frames>" below.
<black SS:FF> = <seconds> <frames>
Specifies the black duration, or reports the current black duration on a reply. See "<seconds>" and "<frames>"
below.
<seconds> = FF, 00-09 (hex, one byte)
FF = argument NOP, causes Saturn to ignore the contents of the <seconds> <frames> pair.
00-09 = Seconds representing 0:00 through 9:00.
<frames> = 00-1D (hex, one byte). Frames representing 0:00 through 0:29.