The is essential for technical repairs, outlining: CoaDATA 504 User Manual for Diagnostics | PDF - Scribd
The manual describes how to change the CR2032 battery, but it does not always emphasize: you have max. Prepare the new battery on an insulated tool before prying the old one out.
Includes RS232, USB, and SD card for data management. Dimensions: 21 x 15.5 x 8 cm; Weight: 0.7 kg. ⚙️ Key Operational Procedures