Page
7
of
41
Rev 1.4 8/20
VISCA Command List
Part 1: Camera-Issued Messages
ACK/Completion Message
Command
Function
Command Packet
Comments
ACK/Completion
Messages
ACK
z0 4y FF
(y: Socket No.)
Returned when the command is accepted.
Completion
z0 5y FF
(y: Socket No.)
Returned when the command has been executed.
Error Messages
Command
Function
Command Packet
Comments
Error Messages
Syntax Error
z0 60 02 FF
Returned when the command format is different
or when a command with illegal command
parameters is accepted.
Command Buffer Full
z0 60 03 FF
Indicates that two sockets are already being used
(executing two commands) and the command
could not be accepted when received.
Command Canceled
z0 6y 04 FF
(y: Socket No.)
Returned when a command which is being
executed in a socket specified by the cancel
command is canceled. The completion message
for the command is not returned.
No Socket
z0 6y 05 FF
(y: Socket No.)
Returned when no command is executed in a
socket specified by the cancel command, or when
an invalid socket number is specified.
Command Not Executable
z0 6y 41 FF
(y: Execution command Socket
No. Inquiry command: 0)
Returned when a command cannot be executed
due to current conditions. For example, when
commands controlling the focus manually are
received during auto focus.
z = Camera A 8