From the [Tool] menu, select [Options] to display the [Options] dialog box. In the [Options] dialog box, you can confirm and change Camera-Viewer EX settings.
These settings are shared between all instances of Camera-Viewer EX on the computer.

Display a warning if sound is unavailable when starting live images or playing video
Select this check box to display a warning message if the sound card or driver is not properly installed when you start the live video display or playback a video file. When the warning message appears, there will be no sound for live image or video playback.
Record log text file
Select this check box to output the [Media information] dialog box's log to a text file.
For information about log files, see the following.
4.12 Log File
Save in
Defines the location of the log file.
![]()
Including the file name, you can enter up to 255 single-byte characters.
Ref.
In the [Browse For Folder] dialog box, select the location of the log file.