30 TASCAM Model 243 – PreparationInserting and removing SD cardsInserting SD cardsInsert an SD card into the SD card slot on the top of the unit toenable playback and recording by this unit.NOTESD cards can be inserted whether or not the unit is on or off.1. Open the SD card slot cover.2. The SD card should be inserted with its label facing left.3. Close the SD card slot cover.Removing SD cardsTurn the unit off or stop operation before removing an SD card.VCAUTIONNever remove an SD card when the unit is operating (includ-ing recording, playing back, or writing data to the SD card).Doing so could cause proper recording to fail, data to be lost,and sudden loud noises from monitoring equipment, whichmight damage the equipment, harm hearing or cause othertrouble.1. Press the SD card in gently to make it to come up.2. Pull the SD card out.SD card write protection switchesSD cards have write-protection switches that prevent writingnew data to them.If you slide the write-protection switch to the “LOCK” position,writing will not be possible. Move the write-protection switchto the unlocked position in order to record, erase and otherwiseedit data on the card.Turning the power on and offVCAUTIONi Turn down the volume of the sound system connected to theunit before starting up or shutting down the unit.i Do not wear connected headphones when turning the uniton and off. Loud noises could damage the speakers or harmyour hearing.Before turning the power on1. Make the following settings on the top of the unit.o Other knobs w all the way lefto Faders w all the way downo Switches w off (not pushed in)2. Minimize the output levels of audio sources and input levelsof amplifiers connected to this unit.Turning the power on1. Use the POWER switch on the back of the unit to turn itspower on.Startup screenMeter ScreenAfter the unit starts and the Startup Screen is shown, theMeter Screen will open.NOTEAfter the unit is turned on, the PAIRING indicator will blinkfor a set amount of time.2. Turn connected input audio source devices on.3. Finally turn amplifiers on.Turning the power offBefore turning the power off, minimize the levels of output fad-ers and knobs, and then follow the procedures above in reverse.Failure to follow the correct order could result in clicking noises,for example, that might damage equipment.VCAUTIONDo not disconnect the power cord when the unit is operating(including recording, playing back, or writing data to an SDcard). Doing so could cause proper recording to fail, recordeddata to be lost, and sudden loud noises from monitoringequipment, which might damage the equipment, harm hear-ing or cause other trouble.NOTEWhen the unit is started up for the first time (or when thebuilt-in clock is reset after being left unused without powerfor a long time), the DATE/TIME Screen appears before theStartup Screen to allow the date and time of the built-in clockto be set. (See “Setting the built-in clock date and time” onpage 31.)