MDR-2000
VJ
User's Reference Manual
Communications
CA
-
The 'Collect All' command indicates that both CDR and Image data are to be transmitted
sequentially, as they occur in the buffer,
to
the data collection software. This
is
the default mode
of
operation.
An
'
OK
' message
is
returned when the command
is
received and executed properly, and
an 'ERR' message
if
SET DESCRETE COLLECTION FUNCTIONS is not enabled. The 'OK'
and 'ERR' messages are encapsulated in the same protocol used for data transmission.
CC -
The 'Collect CDR' command indicates that only CDR data will be transmitted
to
the host.
Image data records will be skipped.
An
'OK' message is returned when the command is received
and executed properl
y,
and an 'ERR' message
if
SET DESCRETE COLLECTION FUNCTIONS
is not enabled. The 'OK' and 'ERR' messages are encapsulated in the same protocol used for data
transmission.
CI
-
The 'Collect Image' command indicates that only Image data will be transmitted to the host.
CDR data records will be skipped.
An
'OK' message is returned when the command is received
and executed properl
y,
and an 'ERR' message
if
SET DESCRETE COLLECTION FUNCTIONS
is not enabled. The 'OK' and 'ERR' messages are encapsulated
in
the same protocol used for data
transmission.
CL -
The 'CLear' command causes the erasure
of
data from the beginning, up to but not including
the current buffer pointer location, in the currently selected data storage buffer. A 'CLR' message
is
returned when the clear action is complete. The 'CLR' message is encapsulated in the same
protocol used for data transmission. This command also causes the 'ERR' LED to be reset.
If
the SET DESCRETE COLLECTION FUNCTIONS option
is
selected and 'CC' or 'CI' is in
effect then this command has additional functions. Under these circumstances it will force a 'BE'
command followed by a 'CA' command. The result is to move the data collection pointers to the
beginning
of
the buffer and then advance to the first non-deleted record, either
CDR
or image type.
If
there are none then it simply moves to the end
of
the buffer which is exactly the same function
that it has when SET DESCRETE COLLECTION FUNCTIONS is disabled.
For example, to collect CDR data followed by image data the host data collection software can send
a 'CC' command and then collect all
of
the CDR data. When the 'CL' command is issued followed
by a 'CI' command the MDR-2000 will be positioned so that the host data collection software can
now collect the image data.
CT -
This command causes a short diagnostic message to be displayed indicating the hardware
platform for which the microcode resident in the EPROM has been generated. This command
is
useful in the manufacturing process to ensure that the correct EPROM has been installed on a
particular platform.
4-2
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