The only precautions that are necessary are to fully charge the batteries, and then make sure the battery charger and amplifier are unplugged from the power source.
Often, the volume of the classroom sound-field system is turned up too high. The volume should be at a level that is heard will by the students and not necessarily the teacher.
You may exchange a microphone of equal price within the first 30days at no extra charge.
You may return the equipment within 30 days of the invoice and receive a full refund of the purchase price. After 30 days, there is a minimum 20% restocking fee.
If the problem persists, call the TeachLogic service department to further trouble shoot the problem. If the technician determines that the product needs to be returned for service, he will issue a return authorization number (RA#) to track the repair. Repair by other than TeachLogic or its authorized service agencies will void the warranty.
Verify that you are not blocking either the emitters on the transmitter or the sensors or mounted ceiling sensor. If reception is interrupted when facing a certain direction, install an additional sensor (ICS-55) in that area of the room If team-teaching, verify that transmitters are not on the same channel Recharge or replace the transmitter’s batteries Verify that the emitter/mic is working (Test with another working emitter/mic)
Verify that the power supply is plugged into both the receiver and a working wall outlet. Test with another power supply.