CLICKER TROUBLESHOOTING TIPS FROM eINSTRUCTION
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Joining the class
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Timing is a very important part of the joining equation.  After about
2 minutes of inactivity, a pad will go into standby mode, and not let
the student join the session.  Students should keep their clickers
powered off until right before the instructor engages the quiz.  Once
the instructor is ready to engage, students should power on their
clickers.  The instructor's receiver will send out a signal inviting
the registered students clickers' serial numbers to join.  It might
take a moment for all students to all join; the receiver sends out a
signal for so many at a time and then cycles through.  If the students
are unable to join at this point, they should press any key on the pad
and press send.  Their clicker should then switch over to TMA or SMA
mode.

The receivers have a radius of 200 ft.  If a student is outside this
range, he/she should walk in closer to the receiver in order to join.

Clicker hard reset instructions
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* Remove the batteries from the clicker.
* Hold down any button for a full 30 seconds.
* Replace the batteries, preferably with the fresh ones.

The circuitry inside the clicker is packed tightly and very small.
Even tiny amounts of static buildup can affect those components so
the hard reset is very helpful.