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Summary of Contents for Comfort audio DC20
- Page 1 Instructions for use Comfort Digisystem Conference Microphone DC20...
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Page 3: Table Of Contents
Attend a meeting............20 Use a lecture microphone........20 Telephone conversations..........21 ® Bluetooth ..............22 Landline..............24 External audio sources..........26 Connect an external audio source......26 II. For professionals............29 4. Basic setup............31 Change the menu language..........31 Name the device............31 5. Pairing Comfort Digisystem devices.....33 Conference Microphone DC20... - Page 4 Lock the buttons............43 PIN code settings............43 Set a PIN Code............43 Choose which functions to lock......44 Hide the PIN entry dialogue........45 Change the PIN code..........45 Disable the PIN code..........45 FFC.................46 Reset all settings............46 Appendices..............49 A. Product information..........51 Menu overview...............51 Conference Microphone DC20...
- Page 5 Function indicator............54 Microphone modes............56 Optional accessories.............58 Technical specifications..........59 B. Radio..............61 Channel planning............61 Radio range..............61 C. Battery maintenance..........63 Replacing the remote control battery......63 D. Troubleshooting...........67 Service and warranty............69 Service centers..............69 Contact information..............71 Product symbols.............73 Conference Microphone DC20...
- Page 6 Conference Microphone DC20...
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Page 7: User Guide
User guide This part of the instruction manual covers day-to-day tasks that a user of the product should be familiar with. Conference Microphone DC20... -
Page 9: Introduction
Introduction Thank you for choosing Conference Microphone DC20! Conference Microphone DC20 is part of Comfort Digisystem that uses digital wireless technology to give you the best sound quality available, together with secured transmission to prevent eavesdropping. To get the most out of your new product, please read these instructions before using it for the first time. -
Page 10: Overview
2. Pairing button 3. Function indicator 4. Menu controller 5. Charger input 6. Aux input and output 7. Multifunction socket 8. Microphone 9. Display 10. Mode buttons 11. Answer button 12. Receiver mute button 13. Microphone mute button Conference Microphone DC20... - Page 11 4. Signal quality 5. Key lock padlock 6. Unit name 7. Current aux setting 8. Current microphone mode 9. Receiver status 10. Transmitter status 11. Bluetooth enabled 12. Bluetooth connection status 13. Mic mute active 14. Receiver mute active Conference Microphone DC20...
- Page 12 Remote DC05 Overview 1. Function indicator 2. Receiver off / Receiver volume down 3. Receiver on / Receiver volume up 4. Microphone off 5. Microphone on 6. Narrow omni mode 7. Wide omni mode 8. Battery compartment Conference Microphone DC20...
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Page 13: Included Accessories
Charging stand Overview 1. Charger socket 2. USB socket 3. Input 1 4. Input 2 Included accessories Necklace Microfibre pouch Conference Microphone DC20... - Page 14 Clip on microphone Power supply Charging stand Cable split Remote DC05 Audio-kit Conference Microphone DC20...
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Page 15: Getting Started
1. Insert the supplied charger into the charger input. Caution: Only use the charger supplied by Comfort Audio AB. Using any other type of charger might damage your device. - Page 16 The function indicator turns red to indicate charging. Note: The unit might become warm during charging, this is entirely normal. The unit is equipped with overcharging- and temperature monitoring to protect the batteries. The charging is done when the function indicator turns green. Conference Microphone DC20...
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Page 17: Start Up
2. Use to select the microphone mode that gives you the best speech perception. Navigate the menu You can use on the side of the unit to navigate your way through the menu. Conference Microphone DC20... - Page 18 2. Flick the controller up or down to select the desired menu option. 3. Press to enter the selected sub menu or activate the selected menu option. 4. When done, use the Back option to move to the previous menu. Conference Microphone DC20...
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Page 19: Usage
With the conference microphone you can hear persons around you loud and clear without the need for a pass-around microphone or complex arrangements. With the included remote control it is possible to adjust the settings without disturbing the meeting. Conference Microphone DC20... -
Page 20: Attend A Meeting
3. Adjust the volume on your receiver to a suitable level. Use a lecture microphone At larger meetings and conferences, with a lecturer, the built in receiver allows you to use an additional Comfort Digisystem microphone (purchased separately) that is clipped on to the lecturer. Conference Microphone DC20... -
Page 21: Telephone Conversations
(A long press on the receiver buttons one the remote control will adjust the volume as well.) Telephone conversations Hearing on the phone is often difficult when using hearing aids. The conference microphone can help you hear clearly on both landline and mobile phones. Conference Microphone DC20... -
Page 22: Bluetooth
Bluetooth equipped phone. Up to two devices can be connected at the same time. Pair a Bluetooth device Conference Microphone DC20 and the Bluetooth device needs to be paired before they can be used together. 1. Select Communication > Bluetooth. - Page 23 5. When found, select DC20 in the list of found devices. 6. If asked for a PIN, enter the PIN code shown in the display of your Comfort Digisystem unit. If the pairing is successful Paired with and the name of your Bluetooth device will appear in the display.
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Page 24: Landline
Landline With the help of the TeleLink accessory (purchased separately) the Conference Microphone DC20 can be connected to a landline telephone. Note: Please refer to the TeleLink manual for a description of the connection procedure. - Page 25 1. Make sure the TeleLink is in telephone mode. The light next to the function button should be blue. If not, press the function button. 2. Lift the handset from the cradle, or press the answering button on the phone. 3. Talk into the conference microphone. Conference Microphone DC20...
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Page 26: External Audio Sources
Connect an external audio source Connecting an external audio source will bring up a menu where you can select the type of device you have connected. Conference Microphone DC20... - Page 27 Option Description Line In Computer, TV, music player etc. Microphone in Boom microphone, clip on microphone etc. Headphones out Headphones or earphones. 3. Adjust the volume for the respective option till you find a suitable level. Conference Microphone DC20...
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Page 29: For Professionals
For professionals The following sections cover advanced features and procedures primarily intended for professionals and advanced users. Conference Microphone DC20... -
Page 31: Basic Setup
To help identify the device, you can enter a name that will be shown in the display. 1. Select Settings > Name. 2. Use to scroll through the list of characters. Press to enter the selected character. 3. When done select . (To cancel, select instead.) Conference Microphone DC20... -
Page 33: Pairing Comfort Digisystem Devices
The information about the channel and code key is referred to as pairing information . Conference Microphone DC20 is able to both send and receive pairing information. Important: At delivery all units share the same factory code key. -
Page 34: Change Channel
Change channel If a channel does not suit your setup, or if you are experiencing interference from some other radio source, you can change to a different channel via the Channel menu. 1. Select Communication > Channel. Conference Microphone DC20... -
Page 35: Available Channels
In most European countries, channels 1-3 (863.250 – 864.750 MHz) may be used for hearing products. In addition to channels 1-3, there are several channels in bands A-F, which require a licence in most European countries. These are found under the Extended option. Conference Microphone DC20... -
Page 36: Send Pairing Information
Send pairing information By sending pairing information from Conference Microphone DC20 you can synchronise its channel and code key with another unit. Any existing pairing information in the other unit will be overwritten. -
Page 37: Receive Pairing Information
Receive pairing information When the unit is set to receive pairing information its current channel and code key will be overwritten by the received information. 1. Set the unit to receive information by selecting Communication > Pair. Conference Microphone DC20... -
Page 38: Pair The Remote Control
Pair the remote control To prevent others to remotely control Conference Microphone DC20, the remote control will only work with the device it has been paired with. If the remote has been replaced, e.g. during service, the pairing procedure needs to be redone. -
Page 39: Advanced Features
Tel only feature. When this feature is active the device will only transmit radio during phone calls. 1. Select Communication > Bluetooth. (The feature is also accessible from Inputs > TeleLink.) 2. Enable Tel only. Conference Microphone DC20... -
Page 40: Tone Adjustments
The next frequency range will be selected automatically. 5. Press to save the settings or to cancel. Adjust the equalizer Use the equalizer to perform detailed adjustments of the frequency response. 1. Select Sound > Equalizer. Conference Microphone DC20... -
Page 41: Perceptual Speech Enhancement
Perceptual Speech Enhancement Perceptual Speech Enhancement (PSE) is a powerful digital sound processing technology that is unique to Comfort Audio's conference microphones. The technique is used to optimize speech intelligibility in challenging acoustic environments, where a microphone can not be placed in close proximity to the speaker. -
Page 42: Bluetooth Settings
When entering a telephone call the unit will automatically change to a pre-selected microphone mode. You can change the default microphone mode for Bluetooth calls in the Bluetooth menu. 1. Select Communication > Bluetooth > Mic. mode. Conference Microphone DC20... -
Page 43: Remove All Paired Bluetooth Devices
To prevent tampering or unintentional changes of the settings, you can lock the product with a four digit PIN code. You can choose to lock all of the features or a selected category. Set a PIN Code 1. Select Settings > PIN Code. 2. Check Enabled. Conference Microphone DC20... -
Page 44: Choose Which Functions To Lock
1. Select Settings > PIN Code > Lock Select. 2. Select the functions you want to lock: Option Description Pair Lock access to the Pair menu All Menus Lock access to all menus. Conference Microphone DC20... -
Page 45: Hide The Pin Entry Dialogue
PIN code. The PIN will be reset and a new code will have to be entered if you choose to enable it again. 1. Select Settings > PIN Code. 2. Enter the current PIN code. 3. Uncheck the Enabled option. Conference Microphone DC20... -
Page 46: Ffc
Note: The circle will turn green at a noise level of > -80 dBm. Reset all settings If you need to reset all settings to their default values, you can do a factory reset. 1. Select Settings > Factory Reset. Conference Microphone DC20... - Page 47 2. Select Yes. Important: All settings will be lost. Any pairing needs to be redone. Conference Microphone DC20...
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Page 49: Appendices
Appendices Conference Microphone DC20... -
Page 51: Product Information
Back Communication Back Channel Pair Bluetooth Sound Back Treble and Bass Equalizer Advanced settings Inputs Back Mic/Line in Charger Unit TeleLink Receiver gain Settings Back Charge Language PIN Code Activate Key Lock Name Remote control Factory Reset Conference Microphone DC20... - Page 52 Treble and Bass Simple adjustment of the unit's equalizer. Equalizer Advanced adjustment of the frequency response in eight bands. Advanced settings Adjust the PSE-compensation. Inputs Settings for various audio inputs. Mic/Line in Input type and gain level. Conference Microphone DC20...
- Page 53 Toggle the function indicator on or off. Remote control Activate and pair the remote control. Factory Reset Reset the unit to factory settings. All settings will be lost! Activate Key Lock Manually activate the key lock. Also activated by pressing followed by Conference Microphone DC20...
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Page 54: Function Indicator
The function indicator gives you information about the units current status. Table 2: Microphone mode indications Status Indication Music mode Narrow omni mode Wide omni mode Zoom mode Table 3: Pairing indications Status Indication Ready to receive pairing information Pairing information sent. Conference Microphone DC20... - Page 55 Note: Charging is not indicated if the device is turned on and placed in the TeleLink. Note: If the unit is on while charging the function indicator stays red even when the battery is fully charged. Table 5: Remote control indications Status Indication Command received Conference Microphone DC20...
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Page 56: Microphone Modes
Conference Microphone has four different microphone modes that are selectable with . The two omni modes can also be selected with the remote control. Music mode Suitable for music listening, or in very quiet environments with favourable acoustics. PSE disabled. Wide omni directional mode Conference Microphone DC20... - Page 57 PSE enabled. Directional mode Directional pick up pattern. Suitable for telephony or in conversations with a single individual in noisy environments. For best effect, the microphone should be placed near the sound source. PSE disabled. Conference Microphone DC20...
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Page 58: Optional Accessories
Note: When set to zoom mode, the direction of the pick up pattern will change automatically if the device is placed in the charger stand or TeleLink accessory. Optional accessories The following accessories can be used with your product: Soft case Conference Microphone DC20... -
Page 59: Technical Specifications
SST - SecureStream Technology transmitter/receiver Range Approx. 30 m Dimensions 115 x 62 x 14 mm Weight 90 g Frequency range 852 - 872 MHz transmitter Frequency range receiver (f2) 768 - 785 MHz , (f1) 824 - 849 MHz Conference Microphone DC20... - Page 60 Combination of four built-in microphones, directional and omnidirectional Connections Mic/Line in, socket for testing with headphones, socket for charger unit and Telelink Bluetooth protocol Version 2.1 Supported profiles Handsfree Profile (HFP) , Headset Profile (HSP) Battery remote control CR2025, Li-Mn Conference Microphone DC20...
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Page 61: Radio
The frequency difference between the transmitted and received frequency must not be 26.0 MHz exactly. Conference Microphone DC20 blocks the option to set the frequencies in this way. If several transmitting frequencies are being used in the same room, the frequency differences between the units should be at least 1 MHz for optimal operation. -
Page 63: Battery Maintenance
The remote control comes equipped with a replaceable 3 volt lithium battery (CR2025). Under normal circumstances the battery will last for several years. The battery needs replacement when the remote control function indicator is dimly lit or does not light up at all. Conference Microphone DC20... - Page 64 1. Gently push the latch to release the battery holder. 2. Pull out the battery holder. Conference Microphone DC20...
- Page 65 3. Insert the new battery into the battery holder. Caution: Observe the polarity. Failing to do so might damage the device. 4. Push the battery holder into the battery compartment. Conference Microphone DC20...
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Page 67: Troubleshooting
• The units are not paired. • Redo the pairing procedure. See Pairing sound transfer). Comfort Digisystem devices on page 33 • Device will not start • Auto Power Off is • Disable Auto Power Off during charging. activated. Conference Microphone DC20... - Page 68 Technical specifications . • No sound is heard. • The microphone is • Unmute the muted. microphone. • The transmitter and • Redo the pairing receiver channel does procedure. See Pairing not match. Comfort Digisystem devices on page 33 Conference Microphone DC20...
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Page 69: Service And Warranty
Service and warranty Comfort Audio AB accords a limited warranty for two years as of the date of delivery. This covers all defects of manufacture and materials. For accessories the warranty period is 90 days as of the date of delivery. Local agreements or regulations may exist. Defects caused by careless handling or intervention inside the product or its accessories are not covered by the warranty. - Page 70 Subsidiaries DENMARK NORWAY +45 33 78 03 02 +47 959 87 910 info@comfortaudio.dk service@comfortaudio.no www.comfortaudio.dk www.comfortaudio.no GERMANY BENELUX +49 711 67 400 224 +31 229 21 18 65 service@comfortaudio.de service@comfortaudio.nl www.comfortaudio.de www.comfortaudio.nl +1 877 635-3529 service@comfortaudio.us www.comfortaudio.us Conference Microphone DC20...
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Page 71: Contact Information
+46 35 260 16 00 info@comfortaudio.com www.comfortaudio.com Subsidiaries DENMARK NORWAY Comfort Audio ApS Comfort Audio AS Benediktevej 5, 1.sal Postboks 304 DK-3480 Fredensborg NO-3201 Sandefjord +45 33 78 03 02 +47 959 87 910 info@comfortaudio.dk info@comfortaudio.no www.comfortaudio.dk www.comfortaudio.no Conference Microphone DC20... - Page 72 DE-70563 Stuttgart NL-1625 HV Hoorn +49 711 67 400 224 +31 229-87 01 10 info@comfortaudio.de info@comfortaudio.nl www.comfortaudio.de www.comfortaudio.nl Comfort Audio Inc. 411 E. Business Center Drive Suite 109 Mount Prospect, IL 60056, USA +1 888 421-0843 usa@comfortaudio.com www.comfortaudio.us Conference Microphone DC20...
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Page 73: Product Symbols
Waste Electrical and Electronic Equipment (WEEE). Recycle the product and its accessories according to national regulations. Direct current. Restriction of usage related to transmitted frequencies may apply, due to national regulations. Connector for battery charger. Conference Microphone DC20... - Page 74 Indoor use only. Class II equipment. Conference Microphone DC20...
- Page 75 Bluetooth SIG, inc. DECT is a trademark of the European Telecommunications Standards Institute. Comfort Digisystem is a trademark of Comfort Audio AB. SecureStream Technology is a trademark of Comfort Audio AB. Comfort Audio is a trademark of Comfort Audio AB.
- Page 78 MA0140 141030 Comfort Audio AB Box 154 SE-301 05 Halmstad, Sweden Phone: +46 35 260 16 00 info@comfortaudio.com www.comfortaudio.com...
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