Terumo CDI 550 Operator's Manual page 150

Command List.
The following is a table of major Command values:
Value Name
' A ' Attention
'K' Acknowl-
edge
'N' No
Acknowl-
edge
'E' Error
'S' Set
'G' Get
Direction
From CDI Information sent out in response to a request or a timed
System 550 action, such as calibration data, or sending out a line of
analyte data during Operate mode.
From CDI Acknowledge a request by echoing back the Command
System 550 and SubCommand, along with the requested information
in the Data portion of the packet. Acknowledge packets
are sent back to the requesting device (usually the CDI
System 550) to both confirm that the request came
through successfully, and to provide any data associated
with the request.
From CDI Indicates a problem with packet communications. See
System 550 the SubCommand list of NAK conditions for more details.
From CDI Indicates an error condition in the CDI System 550. The
System 550 data portion of the packet will contain the error code,
which will be the same as seen on the CDI System 550
screen.
To CDI Sys- Sent to the CDI System 550 to set certain parameters,
tem 550 such as Arterial Flow or certain toggles.
To CDI Sys- Sent to the CDI System 550 to request information about
tem 550 the state of an element in the system, such as the time or
the operate state.
Description
communication with other devices C-19