Canon EOS-1D X Mark III EOS-1DX Mark III Advanced User Guide - Page 820

System Status Display Checking the Error Log Clearing the Camera Status Log You can check the camera's serial number, firmware version, and shutter-release cycles on this screen. You can also check the status log for past errors. Checking camera status with this feature and requesting any required maintenance at a Canon Service Center can reduce camera problems. Checking the Error Log You can check a record of past errors, as well as lens, flash, and battery usage at the time of occurrence. 1. Select [ : System status display]. 820