dCS 904 User Manual

Manual for Software Version 1.5x and 1.36

dCS Ltd

June 2000

 

 

Command name

Command

Number of

Parameters

Parameters

 

 

 

 

 

Byte

Parameters

 

 

in

ADC

DAC

DDC

MClk

 

 

in

 

 

Response

 

 

Command

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

RS_REF_MODES

77

2

first parameter is terminator (AES)

0

X

X

 

X

 

 

 

0

= unterminated

 

 

 

 

 

 

 

 

1

= terminated

 

 

 

 

 

 

 

 

second is reference mode

 

 

 

 

 

 

 

 

1

= ref out is internal

 

 

 

 

 

 

 

 

0

= pass through

 

 

 

 

 

RS_OVLD_LEV

87

1

Overload threshold, format X

0

X

 

 

 

RS_VOL

111

1

Digital volume control, format X

0

 

X

X

 

RS_PHASE

112

1

Phase:

0

 

X

X

 

 

 

 

0

= None inverted

 

 

 

 

 

 

 

 

1

= Both inverted

 

 

 

 

 

 

 

 

2

= left inverted

 

 

 

 

 

 

 

 

3

= right inverted

 

 

 

 

 

RS_REF_MODE

114

1

Select reference input to clock from:

0

 

X

X

 

 

 

 

0

= AES1

 

 

 

 

 

 

 

 

1

= AES2

 

 

 

 

 

 

 

 

2

= SDIF-2 Clock (word clock)

 

 

 

 

 

 

 

 

3

= SPDIF1 or AES3

 

 

 

 

 

 

 

 

4

= SPDIF2 or AES4

 

 

 

 

 

 

 

 

5

= SPDIF3

 

 

 

 

 

RS_DSD_MODE

119

1

0 = DSD Off

Echos

X

X

X

 

 

 

 

1

= DSD (SDIF)

message

 

 

 

 

 

 

 

2

= 4-wire DSD

 

 

 

 

 

RS_BAUD_RATE

141

1

Global command

None

X

X

X

X

REQUEST_DSD_MODE

142

0

response -> DSD mode

Yes

 

 

 

 

REQUEST_FREQUENCY

143

0

response -> Frequency of unit

Yes

 

 

 

 

Table 11 – RS-232 Command Set

Format X – the level set number is –0.1dB times the 16 bit (positive integer) used. So, for example, 260 would set –26dB below full scale for generator amplitude.

Manual part no: DOC135904 iss 2B2

Page 61

135904ma2b2.pdf file available from website

Contact dCS on + 44 1799 531 999

email to: more@dcsltd.co.uk

(inside the UK replace + 44 with 0)

web site: www.dcsltd.co.uk