Harman Kardon SIGNATURE 2.0 (serv.man11) User Manual / Operation Manual ▷ View online
SIGNATURE
B
US
P
ROTOCOL
M
ASTER
D
OCUMENT
Revised 2-24-98
Page 17 of 20
C
ONTENTS OF
V
OLATILE
M
EMORY
R
EQUEST
C
OMMAND
:
R
ESPONSE
:
Source
Device Type
Target
Device Type
Target
Unit ID
Source
Unit ID
Command
Modifier
Data
Length
Preamble
Byte
Command
Byte
Data
Byte(s)
Checksum
Byte
30h
20h
01h
01h
01h
06h
7Eh
75h
See below See page 7
Source
Device Type
Target
Device Type
Target
Unit ID
Source
Unit ID
Command
Modifier
Data
Length
Preamble
Byte
Command
Byte
Data
Byte(s)
Checksum
Byte
20h
30h
01h
01h
02h
Computed
7Eh
75h
See below See page 7
char
bass_eq;
// bass EQ level
char
hi_eq;
// treble cut level
char
centr_mod;
// center mode
char
surr_mod;
// surr mode
char
centr_lvl_mod;
// level modifier for current center mode
char
surr_lvl_mod;
// level modifier for current surround mode
signed char
sub_lvl_mod;
// level modifier for subwoofer
Balance_st
balance;
// balance data
signed char
lrBal;
// item to be adjusted
signed char
fbBal;
//
The Contents of Volatile Memory Request command causes the Target unit to transmit, in
the response, the contents of its volatile memory. Two values are included in the data
segment of the command: an “Offset” data word that determines how many bytes from the
beginning of the Volatile memory structure that the desired data begins, and a “Length” data
word that determines the total number of bytes to be transmitted back to the Source unit.
the response, the contents of its volatile memory. Two values are included in the data
segment of the command: an “Offset” data word that determines how many bytes from the
beginning of the Volatile memory structure that the desired data begins, and a “Length” data
word that determines the total number of bytes to be transmitted back to the Source unit.
NOTE: sending a “Length” data word value of zero will cause the Target unit to respond
with the rest of the structure (from offset to the end) - the number of bytes returned in the
response will reflect the actual number of bytes involved.
with the rest of the structure (from offset to the end) - the number of bytes returned in the
response will reflect the actual number of bytes involved.
SIGNATURE
B
US
P
ROTOCOL
M
ASTER
D
OCUMENT
Revised 2-24-98
Page 18 of 20
S
OFTWARE
R
EVISION
L
EVEL
R
EQUEST
C
OMMAND
:
R
ESPONSE
:
DB-25
DCE
DB-9
1
AA x
Protective Ground
2
TXD
3
BA I
Transmitted Data
3
RXD
2
BB O
Received Data
4
RTS
7
CA I
Request To Send
5
CTS
8
CB O
Clear To Send
6
DSR
6
CC O
Data Set Ready
Source
Device Type
Target
Device Type
Target
Unit ID
Source
Unit ID
Command
Modifier
Data
Length
Preamble
Byte
Command
Byte
Data
Byte(s)
Checksum
Byte
30h
20h
01h
01h
01h
Computed
7Eh
77h
None
See page 7
Source
Device Type
Target
Device Type
Target
Unit ID
Source
Unit ID
Command
Modifier
Data
Length
Preamble
Byte
Command
Byte
Data
Byte(s)
Checksum
Byte
20h
30h
01h
01h
02h
Computed
7Eh
77h
See below See page 7
The Software Revision Level Request command causes the target unit to transmit, in the
response, the revision level of its software. The response is a data word organized as
follows:
response, the revision level of its software. The response is a data word organized as
follows:
MSB Major revision level
LSB
LSB
Minor revision level
Example: 0205h would be software version 2.5
SIGNATURE
B
US
P
ROTOCOL
M
ASTER
D
OCUMENT
Revised 2-24-98
Page 19 of 20
7
GND
5
AB x
Signal Ground
8
CD
1
CF O
Received Line Signal Detector
9
--
x
Reserved for data set testing
10
--
x
Reserved for data set testing
11
x
Unassigned
12
SCF
O
Secndry Rcvd Line Signl Detctr
13
SCB
O
Secondary Clear to Send
14
SBA
I
Secondary Transmitted Data
15
DB
O
Transmisn Signl Elemnt Timng
16
SBB
O
Secondary Received Data
17
DD
O
Receiver Signal Element Timing
18
x
Unassigned
19
SCA
I
Secondary Request to Send
20
DTR
4
CD I
Data Terminal Ready
21
CG
O
Signal Quality Detector
22
9
CE O
Ring Indicator
23
CH/CI
I/O
Data Signal Rate Selector
24
DA
I
Transmit Signal Element Timing
25
x
Unassigned
SIGNATURE
B
US
P
ROTOCOL
M
ASTER
D
OCUMENT
Revised 2-24-98
Page 19 of 20
7
GND
5
AB x
Signal Ground
8
CD
1
CF O
Received Line Signal Detector
9
--
x
Reserved for data set testing
10
--
x
Reserved for data set testing
11
x
Unassigned
12
SCF
O
Secndry Rcvd Line Signl Detctr
13
SCB
O
Secondary Clear to Send
14
SBA
I
Secondary Transmitted Data
15
DB
O
Transmisn Signl Elemnt Timng
16
SBB
O
Secondary Received Data
17
DD
O
Receiver Signal Element Timing
18
x
Unassigned
19
SCA
I
Secondary Request to Send
20
DTR
4
CD I
Data Terminal Ready
21
CG
O
Signal Quality Detector
22
9
CE O
Ring Indicator
23
CH/CI
I/O
Data Signal Rate Selector
24
DA
I
Transmit Signal Element Timing
25
x
Unassigned
