-In pushbutton connection mode (PBC mode), the camera and the access point can be connected simply by pressing the WPS button on the access point. -In PIN code connection mode (PIN mode), an 8 -digit identification number specified on the camera is set at the access point to establish a connection.
1. Camera's Wi-Fi is set to [Enable] If [Built-in wireless settings]'s [Wi-Fi/NFC] is set to [Enable] under [ Connecting the Camera to a Computer using a USB Cable (EOS 5D Mark IV).
NOTE: The View Assist feature of the EOS 5D Mark IV applies a Wide DR LUT for viewing the footage on the camera's LCD panel, while recording Canon Log to the memory card. The signal provided by the HDMI terminal is not affected by the View Assist feature.
Solution You can display the electronic level on the LCD monitor and in the viewfinder to help you correct the camera tilt. Displaying the Electronic Level on the LCD Monitor