How can a level 2 or 3 sentry detect enemies?

[firestrike24]

There's one thread for every stupid question in this forum, isn't there?

 

[opscomm]

There's one thread for every stupid question in this forum, isn't there?

Yeah, pretty much.

 

[c0b0 8]

after a few hours of research i found that the sentry guns are human to and just kill the other team like a soldier or heavy or something would ,,,, but they cant move...

 

[firestrike24]

Yeah, pretty much.

I did a count, about 75% of the thread on the front page alone are nonsense.

 

[ZB Slayer]

Sentry Operating Manual

http://cdn.steampowered.com/Manuals/440/SentryManual_web.pdf?t=1257358745

 

[AdmiralVonBentebent]

It smell fear.