User`s guide

19 Instrument Control Toolbox 1.1 Release Notes
19-4
Vendor Driver Requirements and Limitations
Driver requirements and limitations associated with the vendors supported by
the Instrument Control Toolbox 1.0 are described in the Release Notes for
Release 12.
Tektronix VISA Limitations
The Tektronix VISA driver has these known limitations:
•Only serial port and GPIB objects are supported.
•Asynchronous read and write operations for the VISA-GPIB object are not
supported. Therefore, the following toolbox functionality is not supported:
- The
readasync function
- The
async flag for the fprintf and fwrite functions
- The
BytesAvailableFcn and OutputEmptyFcn properties
Note The driver limitations described in this section are restricted to the
limitations directly associated with using the Instrument Control Toolbox.