Marenius MM-4220 C Manual Download | Manualshive

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6/18/2009

www.marenius.se

Stereo Audio Mixer

MM-4220 T/C

| Manual |

Version 1.03 T/C

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Summary of Contents for MM-4220 C

Page 1: ...6 18 2009 www marenius se Stereo Audio Mixer MM 4220 T C Manual Version 1 03 T C ...

Page 2: ... AUDIO OUTPUTS 2 2 4 PHONES OUTPUT 3 2 5 DIGITAL OUTPUT 3 2 6 USB SOCKET 4 3 USER INSTRUCTIONS 5 3 1 AUDIO MIXER 5 3 2 AUDIO RECORDER 6 3 2 1 16 24 bits mode selection 6 3 2 2 Checking recording buffer state 7 3 3 SETTING THE INTERNAL CLOCK 7 3 4 TIME CODE SYNCHRONIZATION JAM 8 3 5 POWER SUPPLY 8 4 TECHNICAL SPECIFICATIONS 9 ...

Page 3: ...t panel is the PPM bar graph with 16 multicolor LED s covering the range 50 to 0 dB in optimized step size You will also find the master pot and the headphones pot as well as a switch for selecting 48V phantom power for 0 2 or 4 channels The CF card slot will accept up to 16 GB cards Recordings are saved in uncompressed WAV format on FAT32 formatted cards Recordings are stereo 16 24 bits 48 kHz se...

Page 4: ...og inputs is shown in table 2 1 Table 2 1 Balanced analog audio input Connector type XLR Female Ground Pin 1 Hot Pin 2 Cold Pin 3 In case a line level signal is connected make sure the 48V front panel switch is set to OFF mid position For an unbalanced line level signal connect in accordance with table 2 2 Table 2 2 2 3 Audio outputs There are two balanced XLR3 male sockets for line level outputs ...

Page 5: ...tput conforms to the AES3 id format This is essentially a professional AES EBU format in an unbalanced RCA socket Data format is AES EBU3 while electrical interface is equal to that for coaxial S PDIF 0 5 Vpp 75 ohms Table 2 6 Unbalanced analog audio output Connector type XLR Male Ground Pin 1 Signal Pin 2 Do not connect Pin 3 Phones output Connector type 3 5 mm 3 pole Ground sleeve Left tip Right...

Page 6: ... for setting 16 or 24 bits recording resolution Along with a specially made cable connected to the USB port a LTC time code signal may be connected for jamming the internal clock to frame accuracy This cable uses pin 4 for LTC signal and pin 5 for GND The LTC signal level should be approx 1 Vp p for proper jamming The USB socket may also be used for software updates Instructions for use are includ...

Page 7: ...ment that is connected to the XLR line output sockets Equipment connected to the digital output needs no gain calibration MM 4220 is now ready to be used as an ordinary mixer Select 48V phantom power for microphone inputs 1 and 2 or 1 2 3 and 4 if required Note that the sum of all phantom currents used must not exceed 5 mA Also note that phantom power does drain the battery more Adjust gain for ea...

Page 8: ... and within recordings This key is valid only while in playback mode A brief press will skip to previous file unless file played is the first recorded Press hold will skip backwards within the file This is the STOP key It will end a recording and save the file with a new file number In playback mode it will halt playback and return the mixer outputs to mixer mode This is the RECORD key Pressing it...

Page 9: ...ed 3 Connect a USB cable between the PC and MM 4220 Avoid using a USB hub a direct USB socket is preferred 4 The found new hardware wizard starts Follow the on screen instructions pointing the wizard to the folder where the unzipped driver files are located If a window appears with a note about the driver not being verified agree to install anyway 5 When done a message will show up indicating that...

Page 10: ...es and disconnect the cable The internal clock is now synchronized to the external LTC time code Whenever a new recording starts the time code data will be written in the BWF file header Note that a new recording will always start on the increment of seconds hence the frame number written is 00 3 5 Power Supply MM 4220 runs from an internal NiMH power pack This is a high capacity pack with re char...

Page 11: ...98 dB A weighted D A resolution 24 bits D A dynamic range 98 dB A weighted File memory Compact Flash type I FAT32 formatted max 16 GB File type BWF stereo uncompressed 48 16 24 Recorder functions RECORD STOP PLAY FFWD FREV SKIPFWD SKIPREV PAUSE Metering 2x8 LED s 3 colors PPM mode Test tone 1000 Hz 0 001 12 dBFS 0 dBu output level Real time clock accuracy 2 ppm LTC jam input USB socket pin 4 GND p...

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