diff --git a/doc/1-intro/qs-interface.png b/doc/1-intro/qs-interface.png index d81e90d0a..5be5597e7 100644 Binary files a/doc/1-intro/qs-interface.png and b/doc/1-intro/qs-interface.png differ diff --git a/doc/1-intro/qs-noteoffs-channels.png b/doc/1-intro/qs-noteoffs-channels.png index 135cade88..e8405df23 100644 Binary files a/doc/1-intro/qs-noteoffs-channels.png and b/doc/1-intro/qs-noteoffs-channels.png differ diff --git a/doc/1-intro/qs-notes-channel.png b/doc/1-intro/qs-notes-channel.png index 18b2b47e5..cbf84d307 100644 Binary files a/doc/1-intro/qs-notes-channel.png and b/doc/1-intro/qs-notes-channel.png differ diff --git a/doc/1-intro/qs-notes-channels.png b/doc/1-intro/qs-notes-channels.png index c6c9128b2..77bf3b16e 100644 Binary files a/doc/1-intro/qs-notes-channels.png and b/doc/1-intro/qs-notes-channels.png differ diff --git a/doc/1-intro/qs-playeditcontrols.png b/doc/1-intro/qs-playeditcontrols.png index 879dda143..7e65fcef4 100644 Binary files a/doc/1-intro/qs-playeditcontrols.png and b/doc/1-intro/qs-playeditcontrols.png differ diff --git a/doc/1-intro/qs-selection.png b/doc/1-intro/qs-selection.png index 2ebf8ba33..fb7a841a0 100644 Binary files a/doc/1-intro/qs-selection.png and b/doc/1-intro/qs-selection.png differ