Rane RPD 1 User Manual

Page 9

Manual-9

APPENDIX—RPD 1 DEVICE CONTROL LANGUAGE

Data Structures

Abbreviations used:

Definition:

signifies hexadecimal number

Two’s Complement: The result obtained when all the

ADDR:

device address

data bits are inverted and 1 is added to the result. Used

CHNUM:

channel number code

to represent negative numbers. The Two’s Comple-

COMSTAT:

communications status code

ment of 3 (i.e. 0000 0011) is equal to 1111 1101

DCL:

device control language

or $FD. This represents ‘-3’.

DT:

Device-type code (predefined)

ID:

Manufacturer’s ID code (predefined)

MEMNUM:

memory number code

OPSTAT:

operational status code

SPL:

stored parameter list (product dependent)

RPD 1 Stored Parameter List (SPL)

Index

Name

Encoding Method

System Parameters:

Reserved

Set to 0

Auto-Answer Ring Count

0-9

(byte)

0 = answer after 1 ring, 1 = answer after two rings, etc.

Answer Mode

0/1/2

(byte)

0 = Data, 1 = Voice, 2 = DSVD

Answer When

0/1/2

(byte)

0 = Never, 1 = Once, 2 = Always

Device address (ADDR):
Valid address range is 1 through 250 (0, 251, 252, 253, 254, and 255 are reserved)

Device-type code (DT):
$27 = RPD 1

Manufacturer’s identification code (ID):
$08 = Rane Corporation

Channel number codes (CHNUM):
Always set to $00

Memory number codes (MEMNUM):
$00 = live or working memory, $01 = preset memory #1, $02 = preset memory #2, ... , $10 = preset memory #16 (RPD 1 has

16 preset memories)

Communications status codes (COMSTAT):
$00 = no error
$01 = invalid data
$02 = invalid command code
$03 = device locked
$04 = device not locked
$05 = channel(s) muted
$06 = channel(s) not muted
$07 = checksum error
$08 = not connected

Operational status codes (OPSTAT):
$00 = no error