Display "Logged Event Codes" to show engine over speeds, High temperatures, fuel consumption, etc. View ECM's current configuration and change user settings. Perform diagnostic tests and calibrations, and calibrate Electro-mechanical and electro-hydraulic components Context sensitive help leads operator through everytask Cat ET can perform Data Logger and Data Log Viewer allows recording of ECMsignals for delayed troubleshooting capability.This can provide awareness to change operatorCat "ET Trainer" is now included in ET Program.It allows Users to train and practice using Cat ET without a Communications adapter or Electronic Control Module (ECM).This is a free feature of Cat ET. Profeesional CAT ET3 Adapter With USB WIFI For CAT3 Software Version 2019C KEYGEN 2019A For Truck Diagnostic Tool Please Attention : 1. it can not update online!!!.pleas note this before order it. Thanks in advance. 2. This USB / wifi version is 100% Adapter3 , The Cheaper CAT ET 3 Bluetooth Version is actually Adapter2 Compatible OS : windows XP/windows7 32 Bit Compatible Vehicle Types: For Trucks, Excavators,Air Compressors, Ships, Drilling Rigs....Heavy Duty Vehicles. Compatible Multi-Languages:Chinese(Simplified) , Danish , English(United StaStates) ,French(France), German(Germany) , Italian(Italy) , Japanese , Portuguese (Portugal) , Spanish(Tradition Sort) Note: Due to different production batches, there may be slight differences in products, does not affect normal use. Colour:Carton Color Material:Plastic Package Contents: 1 x cat 3rd and adapter set