How to use radio commands in CS:S
Press Z or type radio1 in your game console to open the radio menu, then pick a number such as cover me to send it to your team.
radio1
Opens the radio menu with standard radio commands such as cover me and hold this position.
radio1 Examples
bind z radio1 Default key.
What it does
Bound to Z by default. Pick a number to send the message to your team.
The game's own description: Opens a radio menu
Use it in your game
Type it in your own game console: turn on the developer console in the game's settings, then press the key under Esc. To keep it, put the line in cstrike/cfg/autoexec.cfg.
Your own
CS:S server.
From $0.03 an hour, only while it runs. New accounts get 6 free tokens.