They simply change the sound of your voice when you die.
there is a setting for that
You have to put in the Mythic disc, then its the same way as Halo 3.
In your multiplayer settings.
Its in one of the settings in a "custom match."
check family settings
when you are playing pause -> control settings -> sideways to recon have fun!!!
start halo/go to settings/video settings/decals/off
at the custom game lobby press X and it should be there
When in the campaign lobby, press X to bring up the settings menu.
press start, go to settings, appearence. i hope this can help you. :D
This means your parental settings limit you from the use of player created content (maps, games, etc. created by other Halo players). This can be changed a the parental settings on the dashboard.
You cant lower your weapon in multiplayer you can only do it when you change your network settings to local.