v ARK-3520P User ManualTechnical Support and Assistance1. Visit the Advantech web site at www.advantech.com/support where you can findthe latest information about the product.2. Contact your distributor, sales representative, or Advantech's customer servicecenter for technical support if you need additional assistance. Please have thefollowing information ready before you call:– Product name and serial number– Description of your peripheral attachments– Description of your software (operating system, version, application software,etc.)– A complete description of the problem– The exact wording of any error messagesWarnings, Cautions and NotesPacking ListBefore installation, please ensure the following items have been shipped: 1 x ARK-3520 Unit 1 x Registration and 2 years Warranty Card 1 x Simplied Chinese Manual 1 x China RoHs 1 x 4 pin DC in terminal block 1 x 2 pin power on/off terminal blockWarning! Warnings indicate conditions, which if not observed, can cause personalinjury!Caution! Cautions are included to help you avoid damaging hardware or losingdata. e.g.There is a danger of a new battery exploding if it is incorrectly installed.Do not attempt to recharge, force open, or heat the battery. Replace thebattery only with the same or equivalent type recommended by the man-ufacturer. Discard used batteries according to the manufacturer'sinstructions.Note! Notes provide optional additional information.