You can change these settings in ..\ArmA2\userconfig\ACE\ace_clientside_config.hpp

However you can also use ACE Clippi to change these settings more easily.

Player Identity

In order to use goggles and masks properly, ACE needs to know information about your player profile. Alter the Identity section in the ..\ArmA2\userconfig\ACE\ace_clientside_config.hpp file to match your player profile.

Radio Commands

Radio chatter from the AI may be eliminated. See the ..\ArmA2\userconfig\ACE\ace_clientside_config.hpp file and either comment or uncomment out the ACE_NOVOICE definition.

No crosshairs

Disables/Reduces crosshairs.

Minimal HUD

Reduces screen information and some elements of the HUD.

Disable Ruckless Replacements

Ruckless disables models with built in rucksacks on the models.