beautypg.com

Update – Grass Valley Switcher Products User Manual

Page 38

background image

38

Switcher Products — Protocols Manual

Section 1 — Tally Protocol

vided is the engineering source name. The nickname is an engineering
source nickname unique to serial tally and is limited to 6 characters.

The source name message format is identical to the Kalypso/Zodiak pro-
tocol except for the range of source ID values.

Update

The Update messages inform the receiver of critical state changes. Initialize
indicates the start of switcher tally processing (the beginning of life). Data
consistent indicates that all tally packets are up to date and tally calcula-
tions should be performed.

Table 17. Kayenne Source Names

b7

b6

b5

b4

b3

b2

b1

b0

Notes

Off set

Command Code 1 (0xF)

Source Name (0xC)

Message code

0

Command Code 2 (0xF)

1 = Name + Nickname

Message code

1

Source ID (1-146)

2

0

Name Character 1

Left-most character

3

0

Name Character 2

4

0

Name Character 3

5

0

Name Character 4

6

0

Name Character 5

7

0

Name Character 6

8

0

Name Character 7

9

0

Name Character 8

10

0

Name Character 9

11

0

Name Character 10

12

0

Name Character 11

13

0

Name Character 12

Right-most character

14

0

Nickname Character 1

Left-most character

15

0

Nickname Character 2

16

0

Nickname Character 3

17

0

Nickname Character 4

18

0

Nickname Character 5

19

0

Nickname Character 6

Right-most Character

20

Table 18. Kayenne Update

b7

b6

b5

b4

b3

b2

b1

b0

Notes

Off set

Command Code 1 (0xF)

Update (0xD)

Message code

0

Command Code 2 (0xF)

Update ID

1 = Initialize Tally data

2 = Data Consistent

Message code

1