
All COMSTAR headsets are warranted against defects in material and/or factory workmanship for a
period of one year from the date of purchase. Shipping is to Eartec at customer’s expense, Eartec will
pay for return ground shipping if the product warranty applies to the repair.
Prior to returning your headset for warranty or service you must call Eartec and for an RA (Return
Authorization) number: 1 (401) 782-4966
www.eartec.com
1.800.399.5994
Full Duplex Wireless System
All repair work will be performed for the cost of replacement parts and return shipping from the
1. To prevent possible hearing damage, do not listen at high volume levels for long periods.
2. Risk of explosion if battery is replaced by an incorrect type, dispose of battery according to the
The WEEE logo (shown at right) appears on the product to indicate that this product must not be disposed
of or dumped with your other household wastes. You are liable to dispose of all your electronic or electrical
waste equipment by transporting to an appropriate collection point for recycling of such hazardous waste.
FCC Notice
This device complies with Part 15 of FCC rules. Operation is subject to the following 2 conditions: (1) This device may not
cause harmful interference, and (2) This device must accept any interference received, including interference that may cause
undesired operation. Changes or modifications not expressly approved by the party responsible for compliance could void the
user’s authority to operate the equipment.
1) Plug AC adapter into charging base and wall outlet (note: the system includes two
AC adapters, one for charger, one for Com-Center; they are NOT interchangeable).
2) Snap batteries into charging slot securely.
3) Charge time 2 – 4 hours. GREEN: fully charged; RED: charging; Flashing RED: faulty
battery; NO LIGHT: battery improperly inserted.
4) COMSTAR high capacity lithium batteries
provide up to 10 hours of operation.
5) Lithium batteries do not develop a
memory - do not drain after use.
Charge up to 2 Com-Center batteries and up to 8 headset batteries.