* 1 packet per 33.333 milliseconds, or 30 packets a second. Queued packets are
* sent immediately at the current mode's fastest-interval rate. If there are no
* queued packets, then "heartbeat" packets are sent at a rate of 1 packet per
* 1 packet per 33.333 milliseconds, or 30 packets a second. Queued packets are
* sent immediately at the current mode's fastest-interval rate. If there are no
* queued packets, then "heartbeat" packets are sent at a rate of 1 packet per