Instructions
"Call of Duty: Modern Warfare" and "Call of Duty: World at War"
Press the ̶0;Start̶1; button to enter the main menu of ̶0;Call of Duty: Modern Warfare̶1; or ̶0;Call of Duty: World at War,̶1; and then select ̶0;Multiplayer̶1; from the main menu.
Select ̶0;Barracks̶1; from the Multiplayer menu, and then select ̶0;Clan Tag.̶1; An on-screen keyboard will open up.
Choose the characters ̶0;P,̶1; ̶0;S̶1; and ̶0;3̶1; from the keyboard, and save your settings. ̶0;PS3̶1; is now your Clan Tag.
"Call of Duty: Modern Warfare 2
Scroll over to the ̶0;Multiplayer̶1; section of the main menu in ̶0;Call of Duty: Modern Warfare 2,̶1; and select it.
Select the ̶0;Callsign and Killstreaks̶1; option from the Multiplayer menu and then click on ̶0;Clan Tag.̶1;
Type in the characters ̶0;PS3,̶1; and click the ̶0;Done̶1; button to save your settings. ̶0;PS3̶1; is now your Clan Tag.
"Call of Duty: Black Ops"
Click on ̶0;Multiplayer̶1; in the main menu of ̶0;Call of Duty: Black Ops,̶1; and then choose ̶0;Player Match̶1; from the Multiplayer menu.
Select ̶0;Playercard,̶1; and then choose the ̶0;Clan Tag̶1; option.
Click on the ̶0;Edit Clan Tag̶1; button, and enter in the characters ̶0;PS3.̶1; Press the ̶0;Start̶1; button to save your settings. ̶0;PS3̶1; is now your Clan Tag.