LTB Audio Systems LTB-WRST - Manual (Page 5)

CHARGE
CORD
6
CHA RGING THE BATTERIES
1. Switch the ON/OFF button on the headphone receiver OFF .
2. Plug the charge cord into the charge input jack of the headphone
receiver to charge the batteries.
3. The charging process starts automatically when the batteries are
charged and the charging RED LED lights up. Charge the new
batteries for 24 hours prior to the first use of the headphone system.
Caution : Do not use other types of batteries to replace the rechargeable
(AAA) battery. When you are not using the headphone
receiver, please switch it to OFF to avoid damage to the
batteries.
The battery pack must be fully charged prior to operation. An initial
charge of 24 hours is required to ensure the extended life of the
rechargeable batteries. Be sure the headphone receiver is in the
OFF position during charge status.