The PAT300/400 Series portable appliance testers are firmware upgradeable via a Windows PC with a USB interface. Firmware updates are developed and released to add additional functionality to your PAT300/400 Series tester.
i, You must register your PAT300/400 Series portable appliance tester in order to download the update software and associated firmware files.
ii, Install PAT upgrader driver software BEFORE connecting your PAT300/400 Series tester to your computer via the USB interface.
iii, Each PAT400 zip file contains multiple language versions with applicable test groups, please use the correct file corresponding to your region.
Please follow PAT upgrader instructions accompanying the upgrader software. Latest PAT300/400 firmware version 2.50. If using in conjunction with PowerSuite software, an upgrade may be required in order to provide compatibility with the latest firmware.
Do not install firmware version 2.50 if your current firmware version is below 2.10.