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"Once the missile closes to self-homing distance, it turns on its active radar seeker and searches for the target aircraft. If the target is in or near the expected location, the missile will find it and guide itself to the target from this point. If the missile is fired at short range, within visual range (WVR) or the near BVR, it can use its active seeker just after launch, making the missile truly "fire and forget"."
Lisäksi:
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Boresight Visual mode
Apart from the radar-slaved mode, there is a free guidance mode, called "Visual". This mode is radar guidance-free -- the missile just fires and locks onto the first thing it sees. This mode can be used for defensive shots, i.e. when the enemy has numerical superiority. "