Extech HD400 Software Introduction

HD400 Light Meter

Software Introduction

The HD400 software program provides a means to collect real time data from the meter to a PC. Data is
presented by the software in a graphical format. The program is simple to use via the graphic user interface
and all major functions are located in the main window indicated with large icons.

System Requirements

Operating System: Windows 95/98, Windows NT 4.0 (or above) and XP
Minimum hardware requirements:

 PC with Pentium 90MHz or higher
 32 MB RAM
 At least 5 MB byte hard disk space for the supplied software
 Display resolution of at least 800 x 600 with High Color (16 bit)

Operation

Starting communication

1 .Power on the light meter first and connect it to a PC USB port with the cable provided

2. Run the HD400 software program.

3. If the connection is successful the panel will display the same value as the light meter

4. If the connection fails the software will display "OFFLINE" on the panel window .

5. If you fail to connect, check you cable first, close all other application and then choose other
serial ports from the menu until the connection is successful. Wait a few second after a new

com port is selected to see if the communication is successful. When successful, the com port
selections will turn gray (become inactive).