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RECALM ANCOR Operating Manual

Headrest active noise cancelling
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Operating Manual
ANCOR Headrest
Active Noise Cancelling offered by recalm
V2.0 | 04.2025

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  • Page 1 Operating Manual ANCOR Headrest Active Noise Cancelling offered by recalm V2.0 | 04.2025...
  • Page 2 Telephone: +49 40 766 29 - 3880 Email: service@recalm.com Web: www.recalm.com Service requests: service.recalm.com © Copyright recalm GmbH: These operating instructions may only be reproduced, translated or made accessible to third parties with the expressed authorisation of recalm GmbH. Legal notice: This product contains software that is licensed under an open source licence.

  • Page 3: Table Of Contents

    Behaviour in an Emergency ..............13 2.7. Behaviour in the Event of Increased Noise Exposure ......14 Technical Data ..................15 3.1. ANCOR Headrest ..................15 3.1.1. Dimensions, Weight and Material ............15 3.1.2. Ambient and Operating Conditions ............15 3.1.3. Storage ....................16 3.1.4. Electrical Data..................16 3.1.5.
  • Page 4 5.5.3. ANC Module (optional) ................33 5.6. LED Overview ..................33 Assembly ....................34 6.1. Dismantling the Headrest.................34 6.2. Mounting ANCOR to the Headrest ............36 6.3. Mounting the ANC Module (optional) ............39 6.4. Mounting the Radio Module (optional) ...........40 6.4.1. Foot Pedal ....................41 6.4.2. Operator Radio..................42 6.4.3.
  • Page 5 Solving Bluetooth Connection Problems ..........59 10.4. Overheating Shutdown ................60 10.5. Resolving ANC Functionality Limitations ..........61 Decommissioning and Dismantling ............62 11.1. Putting ANCOR Headrest out of Operation ...........62 11.2. Dismantling the Headrest ................63 11.3. Detaching ANCOR from the Headrest ............64 Storage ....................66 Disposal ....................67 ANCOR Headrest V2.0 | 04.2025...

  • Page 6: About This Operating Manual

    It contains information on correct installation, commissioning, operation and troubleshooting. These operating instructions are intended for persons installing ANCOR Headrest in a vehicle, putting it into operation and operating it for the first time. 1.1. Other Applicable Documents and...

  • Page 7: Presentation Of Information

    1.2. Presentation of Information Standardised warnings, symbols, terms and abbreviations are used in these operating instructions to ensure quick and safe work with the ANCOR Headrest. These are explained in the following chapters for better understanding. 1.2.1. Warnings These operating instructions contain warnings regarding actions that could result in personal injury or property damage.The measures...

  • Page 8: Abbreviations Used

    1.2.2. Abbreviations Used Active Noise Cancelling ANCOR Active Noise Cancelling offered by recalm Automotive audio bus (interface for data transmission for noise cancellation) CAN-Bus Controller area network bus (interface for data exchange between several control units) Decibel (logarithmic unit of sound pressure level;...

  • Page 9: Symbols

    QR code Points to further web links or to the Access the ANCOR Headrest app. Menu Menu items in the ANCOR Headrest app are shown in italics. [button] Buttons of the ANCOR Headrest app are displayed in shown in square brackets.

  • Page 10: Important Safety Instructions

    ANCOR Headrest. ► Store this operating manual in a legible condition. Ensure that it is accessible to all users at all times. ► Always pass the ANCOR Headrest on to third parties together with this operating manual. 2.1. Intended Use ANCOR Headrest is an audio system for active noise reduction in closed vehicle cabins and is mounted on the vehicle’s headrest for...

  • Page 11: Non-Intended Use

    Any use other than the intended use is not permitted. Improper use is deemed to be when ► ANCOR Headrest is used in any other way than described in the chapter “Intended use”, ► ANCOR Headrest is used under operating conditions that differ from those described in these operating instructions, ►...

  • Page 12: General Safety Instructions

    Avoid such collisions and ensure that unintentional vehicle operation does not occur. ► Do not hold on to the ANCOR Headrest when getting in and out of the vehicle to avoid damaging the appliance. Page 12 from 69 V2.0 | 04.2025...

  • Page 13: Work On The Electrical Equipment

    2.6. Behaviour in an Emergency Malfunctions or dangerous situations can result in an immediate risk of injury to persons or a risk of damage to the ANCOR Headrest or ANCOR Headrest V2.0 | 04.2025 Page 13 from 69...

  • Page 14: Behaviour In The Event Of Increased Noise Exposure

    Noise Exposure In rare cases, the sound pressure level of the interference source can be amplified by a malfunction of the ANCOR Headrest. Sound pressure levels of up to 105 dB(A) can be emitted. If a person is exposed to such noise for longer than 5 minutes, there is a risk of permanent hearing damage.

  • Page 15: Technical Data

    Technical Data 3.1. ANCOR Headrest 3.1.1. Dimensions, Weight and Material Width 560 mm Depth 230 mm Height 250 mm Weight 4.5 kg Enclosure protection class IP54 Material ABS/PC, RAL 9005 3.1.2. Ambient and Operating Conditions Distance between the Min. 112 mm headrest bars (centre to Max.

  • Page 16: Storage

    Deutsch DT06-6S-CE 13, 6-pin Supply voltage 8–24 V DC Power consumption Max. 120 W Short-circuit resistance Yes, individual pins from the supply connector to GND and to the supply voltage Polarity reversal protection Condensation protection Page 16 from 69 V2.0 | 04.2025 ANCOR Headrest...

  • Page 17: Electromagnetic Compatibility

    Test pulses on supply lines Starting impulse: class A according to ISO 16750-2:2012 Load dump pulse: class C Interference immunity test Class A against electrostatic discharge (ESD) according to ISO 10605:2008 ANCOR Headrest V2.0 | 04.2025 Page 17 from 69...

  • Page 18: Interference Emissions

    DIN EN ISO 14982:2009: agricultural and forestry machinery - EMC - test methods and evaluation criteria 3.2. Radio Module 3.2.1. Dimensions, Weight and Material Width 160 mm Depth 93 mm Height 55 mm Weight 292 g Material Page 18 from 69 V2.0 | 04.2025 ANCOR Headrest...

  • Page 19: Ambient And Operating Conditions

    3.2.3. Storage Temperature -55 to +105 °C Relative humidity Max. 70% 3.2.4. Electrical Data Polarity protection Condensation protection Interfaces 1x AUX input (radio) 1x Radio cable 1x Push-to-Talk 1x A2B ANCOR Headrest V2.0 | 04.2025 Page 19 from 69...

  • Page 20: Electromagnetic Compatibility

    400 to 1000 MHz, BB 65 dB(µV/m) 3.2.7. In Accordance with EMC Directive 2014/30/EU DIN EN ISO 13766-1:2018: earth-moving and construction machinery - EMC of machines with internal electrical systems - Part 1: general EMC requirements Page 20 from 69 V2.0 | 04.2025 ANCOR Headrest...
  • Page 21 DIN EN ISO 14982:2009: agricultural and forestry machinery - EMC - test methods and evaluation criteria ANCOR Headrest V2.0 | 04.2025 Page 21 from 69...

  • Page 22: Scope Of Delivery

    Scope of Delivery The scope of delivery includes: • One ANCOR Headrest acoustic unit with gooseneck microphones • One supply cable • Two clamping rings • One operating manual • One quick guide to installation and operation • Optional: a radio module •...

  • Page 23: Device Description

    Device Description 5.1. ANCOR Headrest Img. 1 Front View of the ANCOR Headrest Speaker Push button with LED Device frame Bracket Gooseneck microphones QR code with digital rating plate and access to operating instructions in other languages ANCOR Headrest V2.0 | 04.2025...
  • Page 24 Img. 2 Back View of the ANCOR Headrest Plug connector for 6-pin Deutsch plug (supply voltage, A2B bus) Nameplate with device designation and QR code for the digital operating instructions Service connections (only for authorised dealers and the recalm service):...
  • Page 25 Img. 3 Pin Assignment of the 6-pin Deutsch Connector VIN (red) GND (black) CAN_N (yellow) CAN_P (green) A2B_A_N / A2B_B_N (green) A2B_A_P / A2B_B_P (yellow) ANCOR Headrest V2.0 | 04.2025 Page 25 from 69...

  • Page 26: Gooseneck Microphones

    5.2. Gooseneck Microphones Img. 4 Gooseneck Microphones with Mounting Plate Left and right microphone Flexible metal hose Superseal plug, 4-pin, connection to ANCOR Headrest Mounting plate and screws Page 26 from 69 V2.0 | 04.2025 ANCOR Headrest...

  • Page 27: Radio Module

    5.3. Radio Module Img. 5 Radio Module Connection for radio cable Connection for push-to-talk Connection to the main wiring harness 6.3 mm jack for audio line-in (radio connection) Label ANCOR Headrest V2.0 | 04.2025 Page 27 from 69...
  • Page 28 Img. 6 Connection of the Main Wiring Harness Car plug Label Deutsch plug, 6-pin, main plug ANCOR Headrest Superseal plug, 4-pin, Connection to the gooseneck microphones Deutsch plug, 4-pin, connection to radio module Superseal plug, 2-pin for additional A2B connections Page 28 from 69 V2.0 | 04.2025...

  • Page 29: Cables

    5.4.2. Push-To-Talk Foot Pedal Img. 7 Push-to-Talk Foot Pedal Foot pedal Plug for connection to the radio module Label ANCOR Headrest V2.0 | 04.2025 Page 29 from 69...
  • Page 30 Connection to the radio module Connection to the radio Label 5.4.4. AUX Audio Cable Img. 9 AUX Audio Cable 6.3 mm Stereo Jack RCA male left (white) RCA male right (red) Page 30 from 69 V2.0 | 04.2025 ANCOR Headrest...

  • Page 31: Radio Connection Cable

    Superseal plug, 2-pin for connection to the main wiring harness 5.5. Function ANCOR Headrest is a premium audio system that has been developed to make everyday work easier and safer for machine operators through new communication and audio options. The most important functions are described in the following sections.

  • Page 32: Entertainment And Communication

    5.5.1. Entertainment and Communication ANCOR Headrest can be used as an audio entertainment and communication system by connecting it to a smartphone via Bluetooth. Music and hands-free calls can be made via the integrated speakers and microphones using the smartphone controls.

  • Page 33: Led Overview

    (destructive interference). This noticeably reduces the background noise in the user’s area. 5.6. LED Overview The button on the device frame of the ANCOR Headrest has two LEDs that indicate the current operating status of the ANCOR Headrest. Signal...

  • Page 34: Assembly

    CAUTION Risk of minor injuries due to jammable parts! Fingers or parts of the skin can be trapped when working on the clampable parts of the headrest and the ANCOR Headrest bracket. ► Proceed with caution during the work. ► Fold the backrest of the driver’s seat into a horizontal position.
  • Page 35 ► Remove the covers (2) from the headrest bars. ► Place the covers (2) back on the respective headrest guide. ► Fold the backrest of the driver’s seat into the upright position. ANCOR Headrest V2.0 | 04.2025 Page 35 from 69...

  • Page 36: Mounting Ancor To The Headrest

    6.2. Mounting ANCOR to the Headrest CAUTION Risk of minor injuries and damage to property! If the headrest with the ANCOR Headrest fitted is held onto the vehicle during entry or exit, people can easily injure themselves and the ANCOR Headrest can fall down.
  • Page 37 ► Tighten the grub screws of the clamping rings (1) with an Allen key (3 mm). ► Place the headrest with the ANCOR Headrest fi tted on the on the surface of the driver's seat. ► Get into the vehicle cab.
  • Page 38 ► Fold the backrest of the driver’s seat into a horizontal position. ► Insert the headrest rods (4) back into the headrest guide. ► Set the desired height of the headrest. Page 38 from 69 V2.0 | 04.2025 ANCOR Headrest...

  • Page 39: Mounting The Anc Module (Optional)

    6.3. Mounting the ANC Module (optional) Img. 13 Mounting the Acceleration Sensors If the ANCOR Headrest package includes the optional ANC solution: ► Install at least two ACC sensors on the machine. The ACC sensors can be mounted freely on existing screw points on the vehicle.

  • Page 40: Mounting The Radio Module (Optional)

    Img. 14 Mounting the Radio Module If the ANCOR Headrest package includes the optional radio module: ► Install the radio module (1) in the interior and near the ANCOR Headrest. A Velcro fastener allows for easy installation, and it is recommended to attach the module to the side or back of the driver's seat.

  • Page 41: Foot Pedal

    ► Clean the surface before sticking on the foot pedal. There are alternative wiring options. Any analog button can be connected between the two contacts, e.g. a manual button or a joystick button. ANCOR Headrest V2.0 | 04.2025 Page 41 from 69...

  • Page 42: Operator Radio

    • The customer has a supported radio device, the complete list can viewed at www.recalm.com/faq/. • Power for the radio (if connected to the power supply) and ANCOR Headrest are at the same voltage potential. • Universal connection of the radio is accessible.
  • Page 43 ► Connect the cable to the ► Unscrew the handset of the radio module. radio. ► Connect the supplied PTT foot pedal cable (2) instead. ► Connect the cable (1) to the radio module. ANCOR Headrest V2.0 | 04.2025 Page 43 from 69...

  • Page 44: Connecting A Radio

    Connecting a Radio Preamplifier output ► Connect the radio integrated in the machine using the AUX cable supplied if you want to listen to the radio via ANCOR Headrest. ► Connect the two cinch connections of the AUX cable to the sockets of the preamplifier outputs (1).

  • Page 45: Connecting The Supply Cable

    6.5. Connecting the Supply Cable Img. 17 Connecting a Supply Cable ► Insert the 6-pin Deutsch connector (2) into the connector on the underside of the ANCOR Headrest (1). ► Insert the Superseal connector (3) into the gooseneck microphone plug (4). Radio module only: ►...

  • Page 46: Establishing The Power Supply

    ► Turn on the vehicle ignition to establish the power supply.  The ANCOR Headrest will begin the start-up process.  The red LED on the ANCOR Headrest button will light up constantly.  Once the start-up process has been successfully completed (after about 60 seconds), the red LED will go out and the “System ready”...
  • Page 47 If the start-up process is not successfully completed and the red LED on the button remains lit: ► Disconnect the ANCOR Headrest from the power supply and repeat the above steps. ► If the problem persists, contact your authorized dealer or recalm service.

  • Page 48: Commissioning

    Commissioning After installation and successful setup, ANCOR Headrest can be used for basic communication and entertainment purposes. However, for a more personalized communication profile and optional ANC calibration, it is recommended to request setup through the authorized dealer or recalm service.

  • Page 49: Operation

    However, this does not affect the actual function of the ANC. ► To activate the ANC, press the button on the ANCOR Headrest.  The blue LED on the button will light up continuously. ► To deactivate the ANC, press the button on the ANCOR Headrest again.

  • Page 50: Connecting A Smartphone Via Bluetooth

    ► Activate Bluetooth on your mobile device and make the device visible to other devices. ► Press and hold the BUTTON on the ANCOR Headrest for 3 seconds until the blue LED on the button flashes and an audible tone is played.

  • Page 51: Operating The Ancor Headrest App

    Cancel the Bluetooth pairing mode: ► Press and hold the ANCOR Headrest BUTTON for 3 seconds. Delete the list of previously paired devices on the ANCOR Headrest: ► Press and hold the ANCOR Headrest BUTTON for 6 seconds while it is in pairing mode.
  • Page 52 Live view user interface If the mobile device is connected to the ANCOR Headrest via Bluetooth, the ANCOR Headrest app will switch to the live view after opening. Img. 18 Live view of the ANCOR Headrest App Connected ANCOR Headrest...
  • Page 53 Desired background noise, e.g. from the radio or hands-free system, can affect the perception of noise reduction. However, this does not affect the actual function of the ANC. ► Open the ANCOR Headrest app. Img. 19 Live view with Img. 20 Live view with ANC...
  • Page 54 ► To activate the ANC, press the [ANC on/off] button.  The [ANC on/off] button turns blue.  The blue LED of the button on the ANCOR headrest is constantly lit. ► To deactivate the ANC, press the [ANC on/off] button again. ...

  • Page 55: Cleaning And Maintenance

    Cleaning and Maintenance 9.1. Cleaning ANCOR Headrest ► Regularly check the area around the speakers on the ANCOR headrest or the microphones of the A2B sensors for dust or dirt. ► Use a slightly damp cleaning cloth to remove stubborn dirt.

  • Page 56: Troubleshooting

    10. Troubleshooting 10.1. Troubleshooting Measures The following table provides an overview of possible faults that may occur in the ANCOR Headrest or its components, their possible causes and how to rectify them. Malfunction Possible cause Remedy The ANC ANCOR Headrest...
  • Page 57 Sensor chain wired Wire in the following incorrectly order: ANCOR - goosenecks - wireless module - ANC sensors. Then press and hold the button for at least 10 seconds to restart. If the problem persists, contact customer service.

  • Page 58: Read Out Error Code And Submit Service Request

    The Bluetooth connection to the ANCOR Headrest can be established. If the red LED on the ANCOR Headrest button is constantly lit and a Bluetooth connection is not possible: ► Make sure that the excess temperature cut-off is not active.

  • Page 59: Solving Bluetooth Connection Problems

    10.3. Solving Bluetooth Connection Problems It is possible that the ANCOR Headrest may not appear in the list of available devices within the ANCOR Headrest app. If no available device is found, the ANCOR Headrest app will automatically open the Bluetooth settings of the mobile device for verification.

  • Page 60: Overheating Shutdown

    ► Make sure that the ANCOR Headrest and the mobile device are not too far apart (within a radius of about 100 meters). ► Press and hold the button on the ANCOR Headrest for at least 5 seconds. ...

  • Page 61: Resolving Anc Functionality Limitations

    If there is no noticeable noise reduction from ANC or if there are irregularities in the ANC function: ► Ensure that the ANCOR Headrest has been fully commissioned and that ANC has been calibrated for the vehicle variant in which the device is being used.

  • Page 62: Decommissioning And Dismantling

    11. Decommissioning and Dismantling It is necessary to decommission the ANCOR Headrest if • malfunctions occur that cause increased noise pollution, • the ANC exhibits irregular behavior, • a fault is present that cannot be remedied by the measures described in the “Troubleshooting” chapter, •...

  • Page 63: Dismantling The Headrest

    CAUTION Risk of minor injuries due to pinching! When working on the clampable parts of the headrest and the ANCOR Headrest bracket, fingers or parts of the skin can be pinched. ► Proceed with caution during the work. ► Fold the backrest of the driver's seat to a horizontal position.

  • Page 64: Detaching Ancor From The Headrest

    11.3. Detaching ANCOR from the Headrest CAUTION Risk of minor injuries and property damage! If the headrest with the mounted ANCOR Headrest is held on the vehicle during entry or exit, people can easily be injured and the ANCOR Headrest can fall down.
  • Page 65 (10 mm). ► Pull the headrest rods out of the clamping cylinders.  ANCOR Headrest is released from the headrest. ► Put the ANCOR Headrest down safely. ► Put the headrest rods back into the headrest guide. ► Set the headrest to the desired height.

  • Page 66: Storage

    12. Storage ► Comply with the storage conditions (see chapter „Technical data”). ► Store the ANCOR Headrest only in closed, non-explosive areas. ► Make sure that the storage area is well ventilated and dry. Page 66 from 69 V2.0 | 04.2025...

  • Page 67: Disposal

    ► Dispose of the ANCOR Headrest and the supplied components in accordance with the legal requirements of the respective country. ► Do not dispose of the ANCOR Headrest in household waste. In accordance with European Directive 2012/19/EU on waste electrical and electronic equipment, used electrical appliances must be collected separately and recycled in an environmentally friendly manner via a local recycling company.
  • Page 68 Device Description ......23 6-pin German plug ....... 25 ANC ..........32 AUX Audio Cable ......30 Activate ........49 Front View ANCOR Headrest ..23 Deactivate ........49 Gooseneck Microphones ..... 26 Troubleshooting ......61 Main Cable Harness ..... 28 ANCOR Headrest App Push-To-Talk Foot Pedal ....
  • Page 69 Maintenence ........55 Make a Service Enquiry ..6, 58, 59 Non-Intended Use ......11 Operation ........48 ANCOR Headrest App ....50 Button .......... 48 Pushing Button ......48 Overheating Shutdown ....60 Radio Module ......... 32 Reading the Error Code ....58 Safety ..........

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