RCF M 20 Series Reference Manual
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RCF M 20 Series Reference Manual

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M 20X Digital Mixer – REFERENCE GUIDE
Date:
07 Jan 2020
Rev.:
2.1
M 20 series products offer all-in-one mixing, processing and routing capabilities, including a comprehensive set of
recording and playback functions. The User Interface has been designed so that every parameter is reachable within
few operations. All models are equipped with 20 analog inputs (16 of which are with remote controlled preamps) and
14 output channels, between the balanced analog outputs and the AES/EBU digital output.
M 20 series digital mixing consoles are based on floating-point DSP (digital signal processors), running at a sample rate
of 48 kHz, ensuring maximum audio quality and low noise floor, an essential requirement for modern audio applications.
RCF spa
M 20X Digital Mixer Reference Guide
This document refers to Firmware version 158
1

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Summary of Contents for RCF M 20 Series

  • Page 1 14 output channels, between the balanced analog outputs and the AES/EBU digital output. M 20 series digital mixing consoles are based on floating-point DSP (digital signal processors), running at a sample rate of 48 kHz, ensuring maximum audio quality and low noise floor, an essential requirement for modern audio applications.

  • Page 2: Table Of Contents

    SETUP ..................................37 PLAYER ..................................38 RECORDER ................................. 39 SYSTEM ..................................41 SHOW .................................... 41 NETWORK AND WIFI ..............................42 USER KEYS ..................................42 I/O ROUTING ................................. 44 INPUTS ..................................44 OUTPUTS ................................... 45 RCF spa M 20X Digital Mixer Reference Guide...
  • Page 3 IMPORT ..................................53 EXPORT ..................................54 MIDI SETTINGS ................................55 MIDI MAPPING................................55 VIEW BUTTONS ................................. 57 FADER SELECT VIEW..............................57 USER KEYS VIEW ................................57 TECHNICAL SPECIFICATIONS ............................. 58 BLOCK DIAGRAM ..............................60 RCF spa M 20X Digital Mixer Reference Guide...

  • Page 4: Overview

    Two USB host ports on the top panel are available for WiFi dongles, USB-MIDI devices, and USB mass storage devices that can be used for stereo audio record/ playback, system backups and firmware updates. 7. PHONES Connect your headphones here either for CUE or the Main Mix listening. RCF spa M 20X Digital Mixer Reference Guide...
  • Page 5 This LED lights up when the function Graphic EQ on Fader is enabled. 14. MAIN SELECTION KEY The control surface can be assigned to the stereo MAIN mix buss; the MASTER fader is always associated to the output level of the selected bus. RCF spa M 20X Digital Mixer Reference Guide...
  • Page 6 Input 9 to 16 provide Mic inputs on the XLR connection and Line input on the TRS jack connection. 3. MIX Outputs 1-8 Male XLR Connect to these +24dBu balanced XLR outputs your stage monitors or external effects. RCF spa M 20X Digital Mixer Reference Guide...
  • Page 7 Connect here any AES/EBU device. Each of the audio output paths is routable to the AES/EBU port. 10. LINE INPUTS 17-18 TRS Connect here your line level sources like keyboard, external audio device or other small analog consoles used for submix. RCF spa M 20X Digital Mixer Reference Guide...

  • Page 8: System Overview

    A fast reacting 5-inch capacitive touchscreen, 5 dedicated encoders and 4 menu keys allow an intuitive and immediate control of every function and parameter. You have full control of your live mix, all within one of the most compact systems on the market. RCF spa M 20X Digital Mixer Reference Guide...

  • Page 9: Firmware Update

    1. Download the latest firmware package available on the web page https://www.rcf.it/en_US/products/mixing-consoles/m-series/m-20-firmware-update 2. Unzip the .zip file and copy the RCF-M20X-xxxx.mpk file on the root directory of a FAT32 formatted USB stick. Be sure to have one .mpk file only in the USB stick, to avoid file mismatch.
  • Page 10 8. After a few seconds you will see a confirmation notice before mixer restart. 9. After rebooting the new features will be ready to be enjoyed. RCF spa M 20X Digital Mixer Reference Guide...

  • Page 11: Backup & Restore

    3. BACKUP & RESTORE M 20 series digital mixers provide backup and restore utilities to save and recall the entire state of the mixer, including all presets, shows and global settings. BACKUP FUNCTION PROCEDURE 1. Go to page SYSTEM > USB STORAGE > BACKUP & RESTORE 2.

  • Page 12: Restore Function Procedure

    RESTORE FUNCTION PROCEDURE 1. Go to page SYSTEM > USB STORAGE > BACKUP & RESTORE 2. If you do not connect a USB key drive, this screen will appear: RCF spa M 20X Digital Mixer Reference Guide...
  • Page 13 4. From the list box in the right side of the page select the backup package that you want load on your mixer and then press RESTORE button. A message box will appear: 5. If you want to proceed, click on “OK” 6. The restore procedure has been completed RCF spa M 20X Digital Mixer Reference Guide...

  • Page 14: Processing

    The Input Processing screen is divided into the following tabs (from left to right):  CHANNEL  GATE  PARAMETRIC EQ  DYNAMICS  SENDS You can touch each of these section to jump to the relevant page. RCF spa M 20X Digital Mixer Reference Guide...

  • Page 15: Channel Section

    Stereo Pairing Enable Delay Time value display Encoder Parameters assignment Channel Rename Press Enter to confirm Set the Input Routing: for each source type select which input is routed to selected channel processing RCF spa M 20X Digital Mixer Reference Guide...
  • Page 16 STREAM: range [-10: 10] dB with step of 1 dB  SD CARD: range [-10: 10] dB with step of 1 dB  DRIVE: range [-10: 10] dB with step of 1 dB RCF spa M 20X Digital Mixer Reference Guide...

  • Page 17: Gate Section

    ROM BANK – 10 locations with carefully crafted presets. Press BACK to return to processing page. Choose your preset directly scrolling on the screen or using the Encoder 3 (LIST SEL), then press LOAD to recall it. RCF spa M 20X Digital Mixer Reference Guide...

  • Page 18: Parametric Eq

    Encoder Assignment View and adjust Select band HPF frequency in rotating the EQ page also. Encoder 2 ZOOM View allows a more accurate setting equalizer curve using touch screen RCF spa M 20X Digital Mixer Reference Guide...
  • Page 19 10 locations with carefully crafted miscellaneous presets Press BACK to return to processing page. Choose your preset directly scrolling on the screen or using the Encoder 3 (LIST SEL), then press LOAD to recall it. RCF spa M 20X Digital Mixer Reference Guide...

  • Page 20: Dynamics - Compressor/Deesser

    Encoder 5. Encoder When in De-Esser mode select Assignmen the Filter Type (between High Pass and Band Pass) of the Side Chain and adjust the Frequency RCF spa M 20X Digital Mixer Reference Guide...
  • Page 21 ATTACK: set the value of the Attack Time in the range [1: 1000] ms  RELEASE: set the value of the Release Time in the range [1: 1000] ms  FREQ: set the value of the Side Chain Frequency in the range [200: 8000] Hz RCF spa M 20X Digital Mixer Reference Guide...

  • Page 22: Sends

    PRE/POST: this parameter allows to select if the selected send-on-mix is Pre or Post Fader ON/OFF: this parameter allows to enable or disable the selected send-on-mix LEVEL: according to the send type, this parameter allows to set the send level in the range [-inf: +10] dB RCF spa M 20X Digital Mixer Reference Guide...
  • Page 23 Press COPY on the channel that you want to replicate. Go to desiderata channel, press PASTE and select which processing blocks you want to overwrite selecting the relative buttons. RCF spa M 20X Digital Mixer Reference Guide...

  • Page 24: Output Processing

    Each block also shows the preview Channel processing of processing settings. status bar Channel Name Current Page Meter bar Fader Level Value Balance Value Encoder parameters change accordingly to the processing page RCF spa M 20X Digital Mixer Reference Guide...

  • Page 25: Channel View

    COPY the current processing parameters of an output and to paste them to other outputs. Go to desiderata output, press PASTE and select which processing blocks you want to overwrite selecting the relative buttons. RCF spa M 20X Digital Mixer Reference Guide...

  • Page 26: 8-Band Parametric Eq

    Viewing Area Touch these boxes to select band automatically assign last 3 encoder to the related parameters Encoder parameters change according to the selected band Select band moving Encoder 2 RCF spa M 20X Digital Mixer Reference Guide...
  • Page 27  Band8 High SHELF Filter type Low Pass 12 dB/oct Filter type Low Pass 24 dB/oct Filter type  Band7 combined with Band8 Peaking Filter Q parameter in the range [1: 20] RCF spa M 20X Digital Mixer Reference Guide...

  • Page 28: Dynamics - Master Compressor/Limiter

    RELEASE: set the value of the Release Time in the range [10: 1000] ms THREASHOLD: set the value of the compressor threshold in the range [-80: 0] dB RATIO: set the value of the Ratio in the range [1: 20] RCF spa M 20X Digital Mixer Reference Guide...

  • Page 29: 30-Band Graphic Eq

    Zone3 Bands: 2k5, 3k15, 4k, 5k, 6k3, 8k, 10k, 12k5, 16k, 20k Hz GAIN: set the value of the selected band in the range [-12; +12] dB ZONE SELECT: select the frequency zone RCF spa M 20X Digital Mixer Reference Guide...

  • Page 30: Effects

     AMBIENCE: 2 models Dual  FX2 - REVERB FX4 – DELAY or MODULATION  same Reverb models as FX1  same Delay models as FX3  Chorus  Flanger  Tremolo RCF spa M 20X Digital Mixer Reference Guide...

  • Page 31: Reverb

    You can create your own configurations for Hall and Room by modifying the following parameters:  Predelay (delay before reverb)  ER (amount of primary reflections)  Decay (time decay)  Spaceness (percentage of spatialization)  Damping (percentage of absorption of the higher frequencies) RCF spa M 20X Digital Mixer Reference Guide...

  • Page 32: Delay

    Hi Cut (high cut filter frequency)  Width (amplitude) Vintage delay parameters:  Offset (offset time compared with main Time) instead of Feedback  Filter (da 0,00 a 100) is a Band-pass filter RCF spa M 20X Digital Mixer Reference Guide...

  • Page 33: Modulation

    Rate (frequency swing)  Width (amplitude)  Depth (depth swing)  Feedback (% effect feedback)  Blend (% mix between dry signal and processed) Tremolo parameters:  Rate (frequency rate)  Depth (depth swing) RCF spa M 20X Digital Mixer Reference Guide...

  • Page 34: Fx Return

    Stream USB IN 23-24 Press BACK to return to FX Return page. Choose your source directly scrolling on the screen or using the Encoder 3 (LIST SEL), then press LOAD to select. RCF spa M 20X Digital Mixer Reference Guide...

  • Page 35: Monitoring

    M 20 Series Digital Mixers provide a Real-Time Analyzer available on the CUE bus. In this way is possible to analyze the frequency content of the audio signal of all Inputs, Outputs and FX Returns with CUE button activated. For each channel, CUE activation is shown with a yellow square behind the channel number.

  • Page 36: Phones

    Vu-Meter bars on the right side of the 5” TFT Display. Otherwise, when no CUE is activated, the CUE ACTIVE led is off and the audio signal of MAIN LR output is routed to PHONES output. The Vu-Meter bars will show the Master Level of the selected MIX. RCF spa M 20X Digital Mixer Reference Guide...

  • Page 37: Play/Rec

    PLAY/REC The M 20 Series Digital Mixers offer both Multitrack Player/Recorder and Stereo Player/Recorder that can be combined together for high versatility. Different Play/Rec modes correspond to different external storage devices:  Multitrack Player/Recorder manage up to 20 tracks from/to SD Card ...

  • Page 38: Player

    Press CANCEL to return to Player page. When in MULTITRACK mode, the 20-tracks file player can access SD Card, in multichannel WAV format, and is enabled only for 48 kHz sample rate. RCF spa M 20X Digital Mixer Reference Guide...

  • Page 39: Recorder

    Elapsed Time counter to ensure a unique filename.  Remaining Time (size available on your device) To modify the filename touch this area and type the new file name; press Enter to confirm RCF spa M 20X Digital Mixer Reference Guide...
  • Page 40 Thus, the complete recording can be reconstructed on audio editing software. In case you need to reformat a USB pen or SD Card for audio recording, the M 20 digital mixer provides Format tools between the System utilities. RCF spa M 20X Digital Mixer Reference Guide...

  • Page 41: System

    Global settings. screen or using Encoder 3 (LIST SEL), then press LOAD to recall it, or SAVE to store all parameters into the selected location. RCF spa M 20X Digital Mixer Reference Guide...

  • Page 42: Network And Wifi

    A set of 8 User Keys with extensive programming options is available, offering immediate control of scene selection, play/record transport, tap tempo, user interface shortcuts. Go to SYSTEM > USER KEYS page to configure each key: RCF spa M 20X Digital Mixer Reference Guide...
  • Page 43 Tap Tempo Delay 1 Player Play/Pause Player Next Player Prev Record Start/Stop Routing Recall Preset Sel [1: 100] Routing Save Preset Sel [1: 100] Routing Overwrite Talkback Toggle/Momentary Tap Tempo Delay 2 RCF spa M 20X Digital Mixer Reference Guide...

  • Page 44: I/O Routing

    Encoder 1 (TYPE SEL),  choose your channel source by scrolling directly on the screen or using the Encoder 3 (SOURCE SEL),  Then press OK to confirm your routing RCF spa M 20X Digital Mixer Reference Guide...

  • Page 45: Outputs

    R Post GEQ  R PFL  L+R Post GEQ  L+R PFL Tracks 19-20 of the SD Card multitrack record correspond to the L-R tracks of the USB Drive Stereo record. RCF spa M 20X Digital Mixer Reference Guide...

  • Page 46: Stream Outputs

    DIRECT PATCH 20 PRE EQ FX1 RET Internal FX – Reverb 1 FX2 RET Internal FX – Reverb 2 FX3 RET Internal FX – Delay 1 FX4 RET Internal FX – Modulation RCF spa M 20X Digital Mixer Reference Guide...

  • Page 47: Mute And Dca Groups

    DCA and Mute Groups can be assign to Custom Faders and to User keys. Furthermore, you can directly control mute activation and fader levels through the dedicated page SYSTEM > MUTE AND DCA GROUPS > MUTE/DCA CTRL. Encoder Assignment RCF spa M 20X Digital Mixer Reference Guide...

  • Page 48: Utilities

    Custom Fader 2: DCA Group 02  Custom Fader 3: DCA Group 03  Custom Fader 4: DCA Group 04  Custom Fader 5: FX SEND 01  Custom Fader 6: FX SEND 02 RCF spa M 20X Digital Mixer Reference Guide...

  • Page 49: Config Mixer

    Analog Channel 16 can be configured as Talkback source. Through the SYSTEM > TALKBACK page it’s possible setup the talkback options. Select the outputs where automatically route CH16 when talkback is activated. Adjust the global level of talkback using Encoder 3 RCF spa M 20X Digital Mixer Reference Guide...

  • Page 50: Usb & Sd Card Format

    FAT32 M 20 digital mixers support SDHC and SDXC. SIGNAL GENERATOR An internal signal generator is available on M 20 series consoles. Choose the signal type using Encoder 1: Select one or more Outputs where you want ...
  • Page 51 MIX and FX bus with a single button. SENDS ON/OFF page allows you to set the On/Off values of all input channel Sends on each MIX and FX bus with a single button. RCF spa M 20X Digital Mixer Reference Guide...

  • Page 52: Info

    Input PEQ User Presets  Input Channel User Presets  Output GEQ User Presets  Output Dynamics User Presets  Output PEQ User Presets  Output Channel User Presets  IO Routing Presets RCF spa M 20X Digital Mixer Reference Guide...

  • Page 53: Import

    Press EXCECUTE button import. Select range of memories touching first and last item of your set of memories directly on the screen. IMPORT ITEMS window shows the number of selected items. RCF spa M 20X Digital Mixer Reference Guide...

  • Page 54: Export

    Then press NEXT STEP In this window are shown the existing packages on your USB drive. Enter a valid name of your new package and then press EXECUTE to export. default name Package is NewShowPack. RCF spa M 20X Digital Mixer Reference Guide...

  • Page 55: Midi Settings

    CUE CH17 CUE MAIN LR CUE MIX4 OUT CUE CH02 CUE CH10 CUE CH18 CUE FX1 SEND CUE MIX5 OUT CUE CH03 CUE CH11 CUE CH19 CUE FX2 SEND CUE MIX6 OUT RCF spa M 20X Digital Mixer Reference Guide...
  • Page 56 SEL MIX6 OUT SEL CH04 SEL CH12 SEL CH20 SEL FX3 SEND SEL MIX7 OUT SEL MIX8 OUT SEL MIX9 OUT SEL MIX10 OUT Player Prev Player Next Player Play Recorder Stop RCF spa M 20X Digital Mixer Reference Guide...

  • Page 57: View Buttons

    In the SETUP page specific functions can be assigned to each User Key. For details about User Keys functions, please refer to Chapter 5, SYSTEM > USER KEYS RCF spa M 20X Digital Mixer Reference Guide...

  • Page 58: Technical Specifications

    28 x 16 INPUT PROCESSING CH 1-16 Hi-Pass filter Delay (up to 100 ms) Gate 4-band Parametric EQ Compressor / De-Esser CH 17-20 Hi-Pass filter Delay (up to 100 ms) Gate 4-band Parametric EQ RCF spa M 20X Digital Mixer Reference Guide...
  • Page 59 7.9 kg (M 20X / M 20XD) / 5.9 kg (M 20R / M 20RD) Dimensions [D x L x H] 428 x 388 x 131 mm (M 20X / M 20XD) / 285 x 440 x 132.5 mm (M 20R / M 20RD) RCF spa M 20X Digital Mixer Reference Guide...

  • Page 60: Block Diagram

    8. BLOCK DIAGRAM RCF spa M 20X Digital Mixer Reference Guide...

This manual is also suitable for:

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