## GPD-3303 Instrument Driver Readme

#### 1. Overview

Instrument Driver Technology: LabVIEW Plug and Play (project-style)
Manufacturer: Goodwill Instrument Co., Ltd.
Supported Language(s): LabVIEW 8.2
Supported Model(s): GPD-3303S, GPD-3303D
Model(s) Tested: GPD-3303S,GPD-3303D
Interface(s): USB
Firmware Revision(s) Tested: 1.0
Certified: No
NI Supported: No
Source Code Available: Yes
Driver Revision: 1.0
Original Release Date: 5/21/2008
Current Revision Date: 5/21/2008

#### 2. Required Software

Some software components need to be installed before using this instrument driver. The minimum versions of these components are listed below, and can be downloaded from the Download Site.
VISA 4.0 or later LabVIEW 8.2 or later
Refer to the LabVIEW Help for more information about software requirements. You access the LabVIEW Help by selecting Help»Search the LabVIEW Help.

#### 3. Known Issues

Buffer overflow errors can occur if data is not read from the instrument's memory buffer fast enough. This issue can be resolved by increasing the delay time between each command in order to reduce the measurement speed.
When a series of commands are sent to the instrument, it must add a LF to be a judhment for message terminator. As for query command, the return message of the instrument is also added a LF for PC to judge message terminator.

#### 4. Revision History

Original Release Date: 5/21/2008