ivLaser InformationThe Unitech HT682 series is certified in the U.S. to conform to the requirements ofDHHS/CDRH 21CFR Subchapter J and to the requirements of IEC 825-1. Class II and Class 2products are not considered to be hazardous. The HT682 series contains internally a VisibleLaser Diode (VLD) whose emissions do not exceed the maximum limits as set forth in theabove regulations. The scanner is designed so that there is no human access to harmful laserlight during normal operation, user maintenance or during prescribed service operations.The laser safety warning label required by the DHHS/IEC for the HT682 series' optional laserscanner module is located on the memory compartment cover, on the back of the unit.CAUTION! Use of controls or adjustments or performance of procedures other than thosespecified herein may result in hazardous laser light. Use of optical instruments withthe scanner will increase eye hazard. Optical instruments include binoculars,microscopes, and magnifying glasses. This does not include eyeglasses worn bythe user.Battery NoticesThe HT682 is equipped with a Lithium-Ion battery pack and backup battery. Both batteries willdischarge after an extended period of not being used.When both batteries are discharged, recharge the unit for 16 hours in order to fully charge themain battery and backup battery. Recharge the HT682 through the following:1. Plug the USB charging cable to the HT682 and plug the 5V/3A AC-DC adapter to thepower jack of the USB charging cable.2. Place the HT682 into the docking station and plug the 5V/3A AC-DC adapter to thepower jack of the docking station.If the main battery is removed, the backup battery ensures the data on SDRAM is safe for up to6 hours. To prevent data loss, do not leave the HT682 uncharged with the main batteryremoved for an extended period. See First Time to Charge the Main Battery & Backup Batteryon page 9 for more details.Note: Rechargeable batteries are advised to replace every year or when 500 charge/dischargecycles achieved to guarantee optimal performance. It is normal that the battery balloonsor expands beyond one year or the maximum of 500 cycles. Although it does not causeharm, it cannot be used again and must be disposed of according to the location's safebattery disposal procedures.