TASCAM DR-100 153–Names and Functions of PartsRear panelSD card slot cover open.SD card slot cover closed.Bottom panelCAUTIONDo not connect or disconnect mics when the +48Vswitch is ON.SPEAKER switchSet this to ON to output sound from the built-inspeaker. (See “Using the built-in speaker” on page21.)NOTEEven when ON, no sound is output during recording,in recording standby or when headphones areconnected.Tripod attachment screw-hole (1/4-inch)Use this to attach the unit to a tripod or mic stand.CAUTIONTighten the unit securely to the tripod or mic standUÊto prevent it from falling off.Place the tripod or mic stand on a level surfaceUÊwhen using it with this unit.Some tripods use different types of screws, so itUÊmight not be possible to attach the unit directly. Insuch a case, purchase and use a suitable adapter. Battery compartment coverF MIC GAIN switchSet the sensitivity of the mic input. (See “MICGAIN” on page 27.)E AUTO/LIMITER switchSet this to ON to activate the limiter or automaticgain control. (See “Using the auto gain control andlimiter (LEVEL CTRL)” on page 42.)+48V (phantom power) switchTurn this ON to provide +48 V of power when acondenser mic is connected. (See “Recording withexternal mics (XLR)” on page 26.); Directional stereo mic pair (UNI MIC)Set the INPUT switch to UNI MIC to make theseelectret condenser stereo mics the input source.N SD card slot cover: SD card slotInsert the SD card here. (See “Inserting andremoving SD cards” on page 20.)