Many owners give their CATs a secret password as well. You can also get the CAT's attention by booting the system. While this is effective, it is discouraged. This is pre-installed. Most owners use their system for game playing.
CATs play best when they are new.
Older units suffer a system timing decay which leads to reduced response and flexibility. Similar to the K9 unit game, but the object must be smaller. JUMP - Move the data string through the air. The CAT unit will reach new heights of operation. Some units may ESCape.