JVC DLA-DS1U Serial protocol for the DLA-DS1U and DLA-M2000LU/SC D-ILA project - Page 5

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４．HEADER Indicates the beginning and type of communication data. 4.1 External Control to Projector Character '!' '?' HEX Definition 21 Command to the Projector 3F Query (request for information) to the Projector 4.2 Projector to External Control Character '@' '&' HEX 40 Tally (Response) data 26 Internal error data Definition 5. ID Numeric characters are used to identify an individual Projector when two or more Projector units are connected to a single control machine. Setting separate identification numbers for each Projector allows independent control of each Projector unit. # Assignable ID numbers '0'(30H) '1'(31H) '2'(32H) '3'(33H) '4'(34H) '5'(35H) '6'(36H) '7'(37H) '8' (38H) '9' (39H) 'A' (41H) 'B' (42H) 'C' (43H) 'D' (44H) 'E' (45H) 'F' (46H) * Factory set ID is '1' (31H). ID number '0' (30H) should be used when assigning all connected Projector units for batch operations. This means that when assigning independent ID numbers to multiple units, 15 of the 16 assignable numbers (from '1' through 'F') can actually be used for registration. Please note that tally (response) data is not returned from the projector when the global ID assignment function (0) is used. 4

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HEADER
Indicates the beginning and type of communication data.
4.1
External Control to Projector
Character
HEX
Definition
‘!’
21
Command to the Projector
‘?’
3F
Query (request for information) to the Projector
4.2
Projector to External Control
Character
HEX
Definition
‘@’
40
Tally (Response) data
‘&’
26
Internal error data
5. ID
Numeric characters are used to identify an individual Projector when two or more Projector units are
connected to a single control machine.
Setting separate identification numbers for each Projector allows independent control of each
Projector unit.
# Assignable ID numbers
‘0’(30H)
‘8’ (38H)
‘1’(31H)
‘9’ (39H)
‘2’(32H)
‘A’ (41H)
‘3’(33H)
‘B’ (42H)
‘4’(34H)
‘C’ (43H)
‘5’(35H)
‘D’ (44H)
‘6’(36H)
‘E’ (45H)
‘7’(37H)
‘F’ (46H)
* Factory set ID is ‘1’ (31H).
ID number ‘0’ (30H) should be used when assigning all connected Projector units for batch operations.
This means that when assigning independent ID numbers to multiple units, 15 of the 16 assignable
numbers (from ‘1’ through ‘F’) can actually be used for registration.
Please note that tally (response) data is not returned from the projector when the global ID assignment
function (0) is used.