TASCAM DR-680 9About SD cardsThis unit uses SD cards for recording and playback.A list of SD cards that have been tested with this unitcan be found on the TASCAM web site (www.tascam.com).Use of cards that have not been verified for use withthis unit could result in the unit not functioningproperly.Precautions for useSD cards are delicate media. In order to avoiddamaging a card or the card slot, please take thefollowing precautions when handling them.Do not leave in extremely hot or cold places.•Do not leave them in extremely humid places.•Do not let them get wet.•Do not put things on top of them or twist them.•Do not hit them.•Beware of condensationIf the unit is moved from a cold to a warm place,or used after a sudden temperature change, thereis a danger of condensation; vapor in the air couldcondense on the internal mechanism, making correctoperation impossible. To prevent this, or if this occurs,let the unit sit for one or two hours at the new roomtemperature before using.Cleaning the unitUse a dry soft cloth to wipe the unit clean. Do notclean the unit with a chemically treated cloth orsubstances such as benzene, thinner and alcoholbecause they might cause damage to the surface of theunit.1 – Introduction