TASCAM CD-A550/CD-A750 132 – Names and Functions of Parts@ TAPE INPUT (UNBALANCED) jacksInput for analog source signals (–9 dBu, unbalanced) torecord to the cassette tape.# TAPE COMMON OUTPUT (UNBALANCED) jacksThese are unbalanced outputs (–4.5 dBu) for the cassettetape playback signal. During recording or when inrecord ready mode, the signal being recorded is output.However, depending on the setting of the COMMONOUT item in the menu, the CD playback signal can beoutput instead. (See “Setting the common output signal”on page 20.)$ CD OUTPUT (UNBALANCED) jacksThese are unbalanced outputs (–10 dBV) for the CDplayback signal.% CD DIGITAL OUTPUT (COAXIAL) jackThis digital output sends the CD playback signal in S/PDIF format.^ TAPE INPUT (BALANCED) jack (CD-A750 only)These are balanced inputs for recording analog sourcesignals (+4 dBu) to cassette tape.& TAPE COMMON OUTPUT (BALANCED) jack(CD-A750 only)These are balanced outputs (+4 dBu) for the cassettetape playback signal. During recording or when inrecord ready mode, the signal being recorded is output.However, depending on the setting of the COMMONOUT item in the menu, the CD playback signal can beoutput instead. (See “Setting the common output signal”on page 20.)* CD OUTPUT (BALANCED) jack (CD-A750 only)These are balanced outputs (+4 dBu) for the CDplayback signal.( CONTROL I/O PARALLEL connector (CD-A750 only)Use this parallel control connector to control thisunit from an external device. (See “Using the parallelconnector” on page 45.)) CONTROL I/O RS-232C connector (CD-A750 only)Use this serial control connector to control this unit froman external device. (See “Using the RS-232C connector”on page 45.)Q VOLTAGE SELECTOR SWUse this switch to set the input voltage to either 230V or120V.The voltage selector is only available on units for specificmarkets.Rear panel/ PHONES jackConnect stereo headphones (standard stereo phone jack).! PHONES knobUse to adjust the volume of the sound output from thePHONES jack.