Grass Valley PDR v.2.2 - Manual (Page 306)

Chapter 10 Using TimeDelay
288 Profile Family
Arguments
Most of the TimeDelay Protocol commands require a panel argument. This
argument is coded in the packet as a single byte whose value is ASCII and takes
on one of the following values:
A Panel A
B Panel B
C Panel C
D Panel D
Some of the commands require a timecode argument. This argument is coded
in the packet as a four-byte BCD sequence of:frames seconds minutes hours
In text and on screen displays timecode always appears as hh:mm:ss:ff where:
hh hours (on a 24-hour clock)
mm minutes
ss
seconds
ff frames
Several of the commands require an on/off argument. This argument is coded
in the packet as a single byte whose value is ASCII:
1 ON
0 OFF
Commands
Capacity
Capacity drive
Requests the remaining recording time available for the specified file partition.
Packet format: 51 30 dr cs
where: dr = drive
cs = checksum