There are different cables and software used with AZ products for PC connection. Make sure you have the right cable (or interface) and software for your meter. Then check the followings:
1. Compatibility of PC operation system
AZ software is compatible with Windows systems. All the compatible versions are shown on the CD label. Make sure the software is working in the operation system you use.
2. Install the USB driver
If you are using a USB cable or interface to link to PC, you need to install the USB driver first before connection. You can always download the latest driver from AZ website.
3. COM Port Settings:
Complete the COM Port settings on the main screen of software and make connection. Refer to product manual for its Baud rate and Data bits information and finish the settings. If you are not sure which port number is connected to AZ meter, you can check through your computer by the following steps.
Right click “My Computer” and select “Properties”. Go to “Hardware” and open “Device Manager”. In devices list, click “Ports (Com & LPT)” to see the port properties and get the port number used.
Welcome to download the more details from the following linkage,