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Marenius MM-4240, Руководство пользователя

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MARENIUS ELEKTRONIKUTVECKLING AB  |  

www.marenius.se

  |  

www.marenius.com

  |  

www.audiodesign.pro

 

 

4/4/2014   MM-4240 User Manual v.2.00 

 

7 

3.1. Balanced 

XLR female / 1/4” TRS pin assignment 

 

Balanced analog audio input 

Connector type 

XLR/TRS Combo 

Ground 

Pin 1, Sleeve 

Hot 

Pin 2, Tip 

Cold 

Pin 3, Ring 

 

3.2. Balanced XLR male pin assignment 

 

Balanced analog audio output 

Connector type 

XLR 

Ground 

Pin 1 

Hot 

Pin 2 

Cold 

Pin 3 

 

3.3. 

1/4” TRS stereo pin assignment 

 

Unbalanced analog audio input/output 

Connector type 

TRS 

Ground 

Sleeve 

Left 

Tip 

Right 

Ring 

 
3.4. Mini-DIN 4 pin assignment 

 

Digital audio output 

Connector type 

Mini-DIN 4 

1 

BUS1- 

2 

BUS2- 

3 

BUS1+ 

4 

BUS2+ 

 

Содержание MM-4240

Страница 1: ...4 4 2014 MM 4240 4 channel stereo mixer 6 channel recorder Manual FW 2 1 1 Version 2 00...

Страница 2: ...sses 13 9 2 1 Nominal analog level 13 9 3 DIGITAL MULTIPLEXING 13 9 3 1 Digital routing busses 13 9 4 RECORD CONFIGURATION 14 9 4 1 Record selection 14 9 4 2 Recording sample rate 14 9 4 3 Recording r...

Страница 3: ...ODE AND RTC 24 14 BLOCK DIAGRAMS 25 14 1 CHANNEL INPUT BLOCK DIAGRAM 25 14 2 MASTER OUTPUT BLOCK DIAGRAM 25 14 3 HEADPHONE OUTPUT BLOCK DIAGRAM 25 14 4 MONITOR OUTPUT BLOCK DIAGRAM 25 15 TECHNICAL SPE...

Страница 4: ...ample rate of 96 kHz and a full 24 bit input to output resolution The recorder can be setup for other sample rates and resolutions The unit has dedicated potentiometers and switches for the most commo...

Страница 5: ...switch outer potentiometer Controls the volume for the headphone jack at full CCW the unit is shut down To POWER ON the device turn the knob CW 3 Master fader inner potentiometer The master fader gai...

Страница 6: ...rections are used CENTER Stop UP Start new recording DOWN Enter play mode play pause the last file recorded is automatically played when entering the play mode Pressing the button down when playing a...

Страница 7: ...t channel The channel faders are used when mixing tracks adjustable between and 18dB When the fader is above 0dB a very low distortion limiter will limit the signal if the headroom is too low the limi...

Страница 8: ...rom the front panel monitor switch 4 Input channels XLR female 1 4 TRS connector Four input channels for microphone or line level input 5 Digital output busses 2 stereo pairs mini DIN 4 connector Two...

Страница 9: ...e able to source at least 2A for handling current transients drawn by the unit The center pin of the connector is positive supply Note voltage levels above 15V will damage the unit 8 Monitor output at...

Страница 10: ...XLR TRS Combo Ground Pin 1 Sleeve Hot Pin 2 Tip Cold Pin 3 Ring 3 2 Balanced XLR male pin assignment Balanced analog audio output Connector type XLR Ground Pin 1 Hot Pin 2 Cold Pin 3 3 3 1 4 TRS ster...

Страница 11: ...ns adapter batteries or any power supply that is able to delivery at least 2A of current Even if the MM 4240 doesn t draw 2A the power supply must be able to handle load transients The internal batter...

Страница 12: ...shows the current channel input level and the CHx indicator If the limiter for the channel is enabled and the limiter is active a LIM symbol appears to the right of the meter If the limiter for the c...

Страница 13: ...ion is shared with the menu navigator button To solo one of the input channels to the headphone output use the UP Channel 1 RIGHT Channel 2 DOWN channel 3 or LEFT button Channel 4 When the channel is...

Страница 14: ...le through the main menu To enter the main menu press the center button of MENU switch To navigate through the menu use the MENU navigation switch The main menu structure is shown in the illustration...

Страница 15: ...ound quality 9 1 2 Phantom power To enable 48V phantom power on the marked channel press the center button If the phantom power is disabled on all channels the phantom power circuitry is powered down...

Страница 16: ...2 1 Nominal analog level The master and monitor output nominal level N LV can be selected as 4dBu 0dBu or 10dBv depending on which kind of equipment the output bus shall be connected to Use the cente...

Страница 17: ...s a three point interpolation algorithm for down sampling 9 4 3 Recording resolution The recording resolution can be set to 16bit or 24bit When using 24bit resolution the MM 4240 will save the samples...

Страница 18: ...r will overflow To avoid overflow the file size may be decreased This requires some trial and error on the used SD card to find the limits 9 5 2 Device info This screen shows the following information...

Страница 19: ...er can be used to control the playback volume between dB and 6dB The playback attenuator can be disabled to avoid conflict with the master attenuator when changing between playback mode and normal mod...

Страница 20: ...ow can be used to calculate how much battery current is need to source phantom power Iph phantom current BV Battery voltage For example to source 10mA of phantom current 100mA of battery current is ne...

Страница 21: ...e fader can also be used as volume control when playing tracks from the SD card this feature can be enabled in the menu The scale of the master fader is absolute and the same scale is used when enable...

Страница 22: ...hecking of external equipment The MM 4240 has a dedicated switch on the front panel for switching between internal audio and monitor audio 10 10 Digital outputs The MM 4240 has two digital S PDIF outp...

Страница 23: ...FAT32 standard specifies a maximum file size of 4GB which means that the MM 4240 has to split the recording if the file size is larger The file size can be set to other sizes than 4GB using the menu...

Страница 24: ...MM 4240 is able to automatically record on time code detection or time code running When this option is used the recorder navigation switch may be locked depending on the time code status The time cod...

Страница 25: ...1 File sample rate The sample rate of the recorded file 2 File bit depth The resolution of the recorded file 3 Number of tracks in the files Display the number of tracks in the polyphonic BWF file 4...

Страница 26: ...on bar shows the current position of the track being played 10 Time location of the file The counter shows the current track position in hours minutes seconds and hundredths 11 Play mode The play mode...

Страница 27: ...ill be showing an S after the time code The S means that the device is jammed When the S disappears a new jamming sequence is required The internal supercap will hold the time code when the device is...

Страница 28: ...renius se www marenius com www audiodesign pro 4 4 2014 MM 4240 User Manual v 2 00 25 14 Block diagrams 14 1 Channel input block diagram 14 2 Master output block diagram 14 3 Headphone output block di...

Страница 29: ...ise 130dB 20Hz 20kHz THD N 20Hz 20kHz 0 012 High pass filter cut off frequency 200Hz Maximum gain 78dB min Limiters Attack time 2ms Release time 200ms THD limiting 1kHz 0 3 Input threshold 8dBu Balanc...

Страница 30: ...DXC card 4 Place the SD card into the mixer 5 Power up the device 6 Go to firmware update in the menu and select firmware update 7 The update will take 2 3 minutes 8 After the internal DSP has been up...

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