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Australian Monitor DMA1 User Manual

Page 38

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S E R I A L R S 4 8 5 C O M U N I C AT I O N

PA G E 3 8

A M I S - D M A 1 I N S TA L L AT I O N & O P E R AT I O N M A N U A L

9.16 List of commands and operating fi elds

This table provides a list, with the relevant comments, of all the commands

managed by the DMA1.

DESCRIPTION

CMD

COMMAND DATA

REPLY DATA

STATUS request

30

None

a b c d

a = State of the player:

S = Stop

P = Play

b = (reserved)

c = (reserved)

d = (reserved)

STOP

31 None

None

PLAY First

32 None

None

PLAY Next

33 None

None

PLAY Prior

34 None

None

PLAY File

50

Name of fi le without extension

None

(4 characters only)

PLAY File 2

51

Name of fi le without extension

None

(automatic STOP before PLAY)

(4 characters only)

SET Volume

52

Level in hexadecimal (0..14H)

None

SET Treble tone control

53

Level in hexadecimal (0..14H)

None

SET Bass tone control

54

Level in hexadecimal (0..14H)

None

SET Loudness

55

Level in hexadecimal (0..14H)

None

Version of fi rmware

35

None

P = DMA1

x = version

xx = Release Version

State of inputs

37

None

a b c d e f g h

a = IN/OUT 7

b = IN/OUT 8

c = IN 6

d = IN 5

e = IN 4

f = IN 3

g = IN 2

h = IN 1

Flash memory size

38

None

Size of the fl ash

(MAX. 4 characters)

Title of item being played

39

None

Title of the item

(MAX. 12 characters)