HP — OmniBook 4100 User's Handbook (EN)

• To avoid risk of fire, burns, or damage to your battery, do not allow a metal object to touch across the battery contacts. • Use only the battery designated for use with your model of the HP OmniBook. • Do not disassemble. There are no serviceable parts inside. • Do not dispose of the battery in fire or water. • Handle a damaged or leaking battery with extreme care. If you come in contact with the electrolyte, wash the exposed area with soap and water. If it contacts the eye, flush the eye with water for 15 minutes and seek medical attention. • Do not expose the battery to high storage temperatures—above 60 °C (140 °F).

• When discarding a battery, contact your local waste disposal provider regarding local restrictions on the disposal or recycling of batteries. • To obtain a replacement battery, contact your local dealer or HP sales office. • The battery cannot charge if the ambient temperature exceeds 45 °C (113 °F). LED Safety The infrared ports located on the front and rear panels of the OmniBook are classified as a Class 1 LED (light-emitting diode) device according to International Standard IEC 825-1 (EN60825-1). This device is not considered harmful, but the following precautions are recommended:

• If the unit requires service, contact an authorized HP service center—see the OmniBook Support and Service booklet. • Do not attempt to make any adjustment of the unit. • Avoid direct eye exposure to the infrared LED beam. Be aware that the beam is invisible light and cannot be seen. • Do not attempt to view the infrared LED beam with any type of optical device. Laser Safety The CD-ROM drive used with the OmniBook is certified as a Class 1 laser device according to the U.S. Department of Health and Human Services (DHHS) Radiation Performance Standard and International Standards IEC 825 / IEC 825-1 (EN60825 / EN60825-1).

This device is not considered harmful, but the following precautions are recommended: • Ensure proper use by reading and following the instructions carefully. • If the unit requires service, contact an authorized HP service center—see the OmniBook Support and Service booklet. • Do not attempt to make any adjustment of the unit. • Avoid direct exposure to the laser beam—do not open the unit. Working in Comfort Warning 9