VQT4X11 7Information for Your Safety............................................................... 2Preparation(Important)About the Waterproof/Dustproof and Anti-shock Performanceof this unit........................................................................................... 9Check before using underwater .................................................. 12Using this unit underwater........................................................... 14Caring for this unit after using it underwater ............................... 14When using in a cold climate or at low temperatures .................. 18Accessories...................................................................................... 20Optional accessories................................................................... 20Power supply.................................................................................... 21Inserting/removing the battery..................................................... 21Charging the battery ................................................................... 24Charging and recording time....................................................... 26Recording to a card ......................................................................... 28Cards that you can use with this unit .......................................... 28Inserting/removing an SD card.................................................... 29Turning the unit on/off..................................................................... 31Setting date and time....................................................................... 32Contents∫ How to open the Operating Instructions(PDF format)When you insert the CD-ROM and open the [INDEX.pdf] in the CD-ROM, the Operating Instructions list will be displayed. Click thedocument name of the Operating Instructions you would like to open.≥ Adobe Reader is required to view the PDF file. Please download itfrom the homepage of Adobe Systems Incorporated.