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Beta Three MD-18 Reference Manual
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Beta Three MD-18 Reference Manual

Digital mixer
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Digital mixer
Reference man ual
MD-18
DIGITAL
LIVE SOUND CONSOLE
Applicable to : Firmware Version 2.0

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Summary of Contents for Beta Three MD-18

  • Page 1 Digital mixer Reference man ual MD-18 DIGITAL LIVE SOUND CONSOLE Applicable to : Firmware Version 2.0...
  • Page 2 MD-18 Mixer Reference manual UG-MD18-EN ( V3.0-240701)
  • Page 3 MD-18 Mixer Reference manua Before installation, operation and maintenance of this product, Please make sure to firstly read the [ Important Safety Information ] on page I of this Manual. Revision history Revision Revision description and content updated Initial version V1.0...
  • Page 4 MD-18 Mixer Reference manual Symbols used in this Manual The following symbols are used for explanations on limiting, warning and prompt in operation and instructions so as to ensure safety: The purpose of the excalmatory mark in an equilateral triangle is to remind the user of paying attention to the important safety, operation and maintenance instructions existing in the Manual.
  • Page 5 MD-18 Mixer Reference manu Repair and Maintenance This equipment belongs to precision electronic products, requiring a special maintenance and repair method. In order to avoid equipment spoilage, personal injury and /or add potential safety hazards, all the maintenance and repair of the equipment must be undertaken by the authorized service station or distributor.
  • Page 6 MD-18 Mixer Reference manual Packing content of MD-18 Mixer MD-18 Main Unit 1pcs 1pcs ( Not including tablet ) AC power cord Bluetooth adapter 1pcs ( USB interface ) User’s 1pcs reference manual UG-MD18-EN ( V3.0-240701) - III -...
  • Page 7 1.4. Recall a preset scene and easily restore the required working parameters 1.5. Use Presets to tune 1.6. Monitor headphone 1.7. Restrictions on USB interface power Chapter 2 Detailed Description of MD-18 2.1. Input Channels 2.1.1. Home of the input channels 2.1.2. Parametric equalization ( PEQ ) 2.1.3.
  • Page 8 MD-18 Mixer Reference manual Content (continued ) 2.4. Effect processor 2.4.1. TAP of effect 2.4.2. Signal Chain of FX 2.4.3. Add effect 2.4.4. Chorus effect 2.4.5. Echo effect 2.4.6. Flanger effect 2.4.7. Pitch-Shift effect 2.4.8. Reverb effect 2.4.9. Stereo Delay 2.4.10.
  • Page 9 MD-18 1.2. About the MD-18 mixer Professional field tuners often require four-band parametric frequency equalization ( PEQ ) , high-pass filter ( HPF ), compressor ( COMP ) and noise gate ( GATE ) on each input.
  • Page 10 MD-18 Mixer Reference manual 1.2.1. Main features  With the digital signal processors ( DSP ) of the fourth generation ( SIMD core ), precise 450MHz / 40bit floating-point mathematical operation, 24bit/48KHz high performance ADC/ DAC, Concerned about the details of the sound you care about, showing a rich sound content.
  • Page 11 MD-18 Mixer Reference manua operation. ( User can self-define colors ) ISUeasy  remote firmware upgrade function supports comprehensive upgrade of the system by piloting the upgrade package data from the USB port ( including MCU programs ), ensuring that the MD -18 digital mixer you purchased will be readily and completely upgraded to the latest state.
  • Page 12 MD-18 Mixer Reference manual 1.2.2. Introduction of front panel functions 03 02 Main L/R primary output channel control, Solo / Buses output control, Solo / Mute / volume Mute / Volume fader, It can be controlled at any control, it will be automatically related when time.
  • Page 13 MD-18 Mixer Reference manua Introduction of front panel functions (continued) Output delay. Touch Screen control area Lighting power supply (5V/0.5A). Standby power switch, push and stay 2 seconds till it flashes, push one more time it will go for standby mode. Another push will go back to...
  • Page 14 MD-18 Mixer Reference manual 1.2.3. Introduction of rear panel functions 10 09 Analog stereo input, single-ended signal input, ¼ AES digital audio input connector. Stereo "TRS interface or RCA socket. dual-channel inputs, and the clock frequency is adaptively and automatically converted.
  • Page 15 1.3. Tip wizard for quick start You can have a quick start 1).Connect MD-18 mixer with Mics, Music instruments, amps etc. 2).Turn on the power of MD-18, wait for start of the unit, normally it will take around 25 seconds. 3).In the navigation zone ，you can select the input/output channels ，single...
  • Page 16 MD -18 value of the scene. MD-18 digital mixer includes a lot of preset scenes to be used in all kinds of performance occasions. In allusion to the performance that you will tune for, you can find the most suitable scene.
  • Page 17 MD-18 Mixer Reference manua 1.6. Monitor headphone On the panel turn ，the system will pop up the Solo setup，the user can setup specs, view the headphone output level, also you can clear Solo which is clear all monitor. Rotate the headphone monitor knob on the panel to Headphone monitoring can be accessed by automatically pop up this monitor control menu.
  • Page 18 Chapter 2 Detailed Description of MD-18 This section details the screen and operational controls of the MD-18 Digital Mixer. The operation of this tuning station basically consists of input channel setting, bus output channel and routing settings, effect settings, and system settings.
  • Page 19 MD-18 Mixer Reference manua 2.1. Input Channels 2.1.1 Home of input channels The total navigation bar, click the corresponding System setup button, click to enter the system index page or the fader page button on the panel to parameter control page. Same function as the...
  • Page 20 2.1.2 Parametric equalization ( PEQ ) MD-18 mixer equipped every MIC/Line In channel with 4 bands PEQ and High/Low Pass filter, Among which BAND1 and BAND4 can select normal filter or High/Low shelf Filter The total navigation bar, click the corresponding...
  • Page 21 MD-18 Mixer Reference manua 2.1.3 Gate The noise gate allows an audio signal above a set threshold to pass, attenuating or muting the audio below the threshold. The total navigation bar, click the corresponding System setup button, click to enter the system index page or the fader page button on the panel to parameter control page.
  • Page 22 MD-18 Mixer Reference manual 2.1.4 Compressor The Compressor controls the dynamic range of the signal when the signal exceeds the set threshold. The total navigation bar, click the corresponding System setup button, click to enter the system index page or the fader page button on the panel to parameter control page.
  • Page 23 MD-18 Mixer Reference manua 2.1.5 Copy to When you have carefully set an input channel, its parameters have met the requirements, and other channels have basic or identical setting requirements with this channel. In this case, the parameter copy function will be used to quickly complete the parameters of other channels settings.
  • Page 24 MD-18 Mixer Reference manual 2.1.6 Preset What is a channel preset? A channel preset is a set of saved parameter settings for a channel that can be recalled at any time. Simply save the adjusted parameters as a preset, and recall them in the future to restore the original working state.
  • Page 25 MD-18 Mixer Reference manua 2.1.7 Configuration The channel settings configure the channel name, analog gain, phantom power, pan balance, and more. The total navigation bar, click the corresponding System setup button, click to enter the system index page or the fader page button on the panel to parameter control page.
  • Page 26 MD-18 Mixer Reference manual 2.2. Output Channels 2.2.1 Home of output channels The total navigation bar, click the corresponding System setup button, click to enter the system index page or the fader page button on the panel to parameter control page. Same function as the...
  • Page 27 ( Same as the input channel, please refer to section 2.1.2 ) 2.2.3 GEQ The MD-18 mixer provides a high-quality 15-segment graphic equalizer for each output channel. The total navigation bar, click the corresponding System setup button, click to enter the system index page or the fader page button on the panel to parameter control page.
  • Page 28 MD-18 Mixer Reference manual 2.2.4 Compressor ( Same as the input channel, please refer to section 2.1.4 ) 2.2.5 Copy to ( Same as the input channel, please refer to section 2.1.5 ) 2.2.6 Preset Select, recall, and save channel presets. The preset is very useful and the effect is very good, completely avoiding the cumbersome parameter adjustment work.
  • Page 29 MD-18 Mixer Reference manua 2.2.7 Configuration The channel settings configure parameters such as channel name and output delay. The total navigation bar, click the corresponding System setup button, click to enter the system index page or the fader page button on the panel to parameter control page.
  • Page 30 MD-18 Mixer Reference manual 2.2.8 Main L / R channel setup The Main L / R channel is identical to the other bus output channels. For details, please refer to the previous section. The difference is that the channel name cannot be modified, the route has no volume control, but which input channels can be selected as the source.
  • Page 31 2.3. Route assignment operation The MD-18 mixer has a very powerful and flexible routing function that enables any input to any output routing control. Before the routing operation starts, please make the necessary settings for the relevant input channel and output channel according to the previous chapter. The route assignment...
  • Page 32 MD-18 Mixer Reference manual Routing channel mute switch. When the red light is The route allocates the gain of this channel in on, the input channel route is muted and no signal is dB. Change by fader adjustment. coupled to the bus.
  • Page 33 MD-18 Mixer Reference manua 2.4. Effect processor The mixer has two completely independent effect processing modules FX1 ~ FX2, each effect module is capable of completing one of 6 effects including Chorus, Echo, Flanger, Pitch-shift, Reverb, Stereo Delay 2.4.1. TAP of effect...
  • Page 34 MD-18 Mixer Reference manual 2.4.3. Add effect [Step 1]: Click the bus button on the panel that needs to add effects Then select the [FX/USB/AES] group in the navigation bar or click the fader page button switch to the FX channel, cancel the route mute, adjust the FX routing volume, and assign the effect signal to the output bus.
  • Page 35 MD-18 Mixer Reference manua 2.4.4. Chorus effect Chorus effect, it can create the effect that several people are talking simultaneously for single speech, produce left and right reverberation, and chorus of wide and beautiful reverberation. Home button, back to the overview channels page.
  • Page 36 MD-18 Mixer Reference manual 2.4.5. Echo effect Echo effect is used to create a sense of space and presence. [ Delay ]: Delay, unit: ms. Input signal and feedback signal of delay. [ Feedback ]: The amount of feedback. The output signal is fed back to the input, and the number of echoes can be changed by changing the amount of feedback.
  • Page 37 MD-18 Mixer Reference manua 2.4.7. Pitch-Shift effect Pitch-Shift is an effector which changes the tone but doesn’t change the speed. In popular terms, that is, the male voice is changed into the female voice, and the female voice is changed into the male voice.
  • Page 38 MD-18 Mixer Reference manual 2.4.9. Stereo Delay Stereo Delay ( ping-pong’s sound effect ) , which has a sound sent out from the left and right channels through the different decay of the left and right channels, like ping-pong’s motion trail effect.
  • Page 39 MD-18 Mixer Reference manua 2.4.10. Effect Presets According to the current effect type, the preset parameters of the effect are invoked, which greatly simplifies the complexity of the operation, and is convenient for the user to quickly experience the flexibility and powerful performance of the professional effect module.
  • Page 40 MD-18 Mixer Reference manual 2.5. USB recording and playback Click the [FX/USB/AES] group on the navigation bar, then click the USB channel label to enter the USB control menu. As shown below. Or click the button on the USB MEDIA function area on the panel to quickly switch to the USB channel menu.
  • Page 41 MD-18 Mixer Reference manua 2.5.2 USB recording You can perform stereo recording by inserting a USB stick into any USB port, and the recording source is optional. U disk playback and recording can be performed in the same USB stick.
  • Page 42 USB control page as shown below. Click the Bluetooth switch to the open position, you can see the host Bluetooth name: MD-18 (user can modify). Then search for available Bluetooth devices in Bluetooth devices such as mobile phones, and click on the device for Bluetooth pairing. After the connection is successful, the system displays the name of the connected device, such as "IPHONE x".
  • Page 43 MD-18 Mixer Reference manua 2.6. Grouping shortcuts 2.6.1 DCA volume grouping The DCA volume group control function can realize the volume control of a plurality of pre-associated input and output channels by a single fader, and realizes the volume control of a group of devices very easily, which greatly reduces the workload of tuning, and is flexible and convenient to operate.
  • Page 44 MD-18 Mixer Reference manual The DCA needs to be pre-configured with channel association before use. On the DCA overview page. Click the DCA channel label or click the button on the panel to enter the DCA settings menu, as shown below: DCA number.
  • Page 45 The mute grouping function enables single-key mute control of several pre-associated input and output channels, making it easy to control the mute of a group of devices. The MD-18 mixer has three mute groups. Double-click the button on the panel to switch the mute state of the corresponding mute group.
  • Page 46 What is a scene? A scene is a set of pre-saved settings (preset by the factory or preset by the user) that can be retrieved at any time and set all parameters of the MD-18 digital mixer to the value of the scene.
  • Page 47 MD-18 Mixer Reference manua 2.8. System settings The system setup menu is used to set or browse system parameters and machine configuration. Click the button on the panel, or on the host screen APP home interface to enter the system settings menu, as shown below.
  • Page 48 MD-18 Mixer Reference manual 2.8.1 Automatic microphone mixing control ( this feature is not available yet ) What is automatic mixing? When a person speaks, the system quickly assigns gain to the MIC, while other silent MICs are automatically pulled down. When the speaker stops talking, the volume of this MIC is pulled down.
  • Page 49 MD-18 Mixer Reference manua 2.8.2 Signal Generator Use the built-in DSP processor to produce accurate sine, white, pink noise and optionally couple to the output channels you need, including the FX channel. Provides standard test signals for commissioning calibration and external devices for the mixer.
  • Page 50 : The upgrade file must be placed in the root directory of the U disk, and the file name and extension name can not be changed !! 2). Turn on the power of MD-18 mixer, wait till the system starts up and enters normal operating conditions.
  • Page 51 1) Connect the mixer to the local area network via ethernet cable and set the IP address of the mixer. 2) Log in to the Apple App Store with your iPad, search for apps using the keyword "MD-18", and install them on your iPad.
  • Page 52 MD-18 Mixer Reference manual 2.9. Power standby and recovery If you do not use this mixer for a while, but want to quickly enter the working state when you need it, you can let the device enter the standby state to save energy.
  • Page 53 MD-18 Mixer Reference manua Appendix 1. Technical performance parameters ( The key performance parameters are derived from the standard test method. Test equipment: Professional audio analyzer APx525 / SN: APX2-28556 of Audio Precision Co.,Ltd.,US. All are direct results of unweighted testing. ) A).
  • Page 54 MD-18 Mixer Reference manual Analog input characteristics Input level * Analog gain Used for Enter adjustment Analog gain Port Input port Maximum distortion Impedance standards Sensitivity * range before the level +55dB -70.9dBu (220.8uV) -34.4dBu (14.8mV) -8dB ~ +55dB 50Ω to 600Ω Mics XLR / TRS 6.8kΩ...
  • Page 55 MD-18 Mixer Reference manua Appendix 2. The Mixer Block Diagram UG-MD18-EN ( V3.0-240701) - 47 -...
  • Page 56 MD-18 Mixer Reference manual Appendix 3. Dimensions 435mm 138mm 76mm UG-MD18-EN (V3.0-240701) -48-...
  • Page 57 MD-18 Mixer Reference manual UG-MD18-EN ( V3.0-240701) - 49 -...
  • Page 58 MD-18 Showing rich sound connotations Dongguan 3G Audio Technology Co., Ltd. Add: Building 3, No.1 Nanqi street, Qiaodong road, Qiaotou town, Dongguan City, Guangdong province, 523800 China Website: www.beta3pro.com...