Instructions for use English Comfort Digisystem Microphone DM30 - 2.
Contents I. User guide.....................................................................7 1. Introduction............................................................9 Your device......................................................................9 SST ™ .........................................................................9 Overview.................................................................10 Included accessories.............................................12 2. Getting started...............
5. Pairing Comfort Digisystem devices.....................31 The pairing button.........................................................31 Change channel.............................................................32 Available channels.................................................33 Send pairing information..............................................33 Receive pairing information..........................................34 6. Advanced features................................................37 FCR.....
Communication.............................................................48 Mode..............................................................................48 Sound.............................................................................49 Settings.........................................................................49 Key Lock........................................................................50 About.............................................................................50 8.
Microphone DM30
I. User guide This part of the instruction manual covers day-to-day tasks that a user of the product should be familiar with.
1. Introduction Thank you for choosing Microphone DM30! Microphone DM30 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. Take special notice to the printed document Important Safety Instructions included in the box.
Overview 7 4 11 1 10 7 8 5 11 2 9 3 12 6 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 12.
Display 11 10 1 2 Ch:E1 3 9 4 8 “NAME” 7 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11.
Included accessories Microfibre pouch Power supply Cable split Neck loop Digisystem 12 Microphone DM30
2. Getting started This section will teach you how to perform the basic steps needed to get started. Charge Charging can be done at any time. If you make it routine to charge your product whenever you do not use it, it is always ready for use when you need it. 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.
2. Plug the charger into the wall socket. 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.
Start up Press until the start up bar is fully lit.
Use the neckloop If you are going to use your product with a hearing aid or hearing implant in the T- or M/T-position, you need to connect the neckloop and wear it around your neck. 1. Connect one end of the neckloop to the sockets on top of the unit. 2. Place the neckloop behind your neck.
3. Connect the other end of the neckloop. ! Important: Make sure the neckloop is inserted properly. Improper insertion might cause you to drop the device or damage the connections. 4. Switch your hearing aid or hearing implant into its T- or M/T-position. You should now hear the sound come through your hearing aid. Navigate the menu You can use on the side of the unit to navigate your way through the menu.
1. Press to activate the menu. 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.
3. Usage Microphone DM30 is purpose made to be used with other units of the same type. Together with the other units it forms a system for two-way communication among teacher and students. A typical set-up consists of one unit configured as a teacher unit, and one or several units configured as student units. This set-up allows each student to hear the teacher and fellow students that are using the push-to-talk feature.
Alternatively, two units can be used together to allow team-teaching. A secondary unit, worn by the assistant teacher, then transmits sound via the primary teacher's unit to the student's units. Figure 2: The teacher's voice is mixed with the voice of the assistant teacher and sent back out to the class. Use the device as a teacher unit Use Microphone DM30 as a teacher unit to transfer the voice of the teacher, mixed with the sound from another unit in the system, directly to the students.
1. Have the teacher attach the unit to his or her clothes with the clip, or use a necklace to hang it around the neck. For optimum sound quality the unit should be placed no more than 30 cm from the mouth. 2. Let the teacher talk into the microphone in a normal voice and make sure the students can hear. 3. If the teacher is using head phones or a neckloop for monitoring, he or she can use to adjust the volume to a suitable level.
1. Have the student wear the unit around the neck using the neckloop. 2. Let someone talk into the teacher microphone and let the student use to adjust the volume to a suitable level. 3. Optional: Ask the student to talk into the microphone and use the function button to turn the transmission on or off. External audio sources You can connect any sound source that has a line out socket to the device. This lets you listen to television, conference telephones, voice recorders and the like.
1. Connect your external audio source to the aux socket. For line sources you can use the supplied audio cable. The Socket menu will be shown automatically. 2. Select the option that corresponds to the device you have connected. Option Description Line In Computer, TV, music player etc. External Mic Boom microphone, clip on microphone etc. Head Phones Headphones or earphones.
II. For professionals The following sections cover advanced features and procedures primarily intended for professionals and advanced users.
4. Basic setup Before setting up the product you should make sure that the menu is set to the preferred language. You should also decide whether it should be used as a Master Unit or as a Companion Unit. Change the menu language The default menu language is English. You can change language from the menu Settings. 1. Select Settings > Language. 2. Select the language you want from the list of available languages.
Configure the device as a master unit You typically configure the device as a Master Unit when it is going to be used by a teacher or lecturer. With this set-up the device will mix the voices of the teacher and student and broadcast them to the class. 1. Select Mode. 2. Check Master Unit. When the unit is programmed as Master Unit, the display shows .
Configure the function button The function button on the unit can be configured for different purposes through the menu option Mode. For example, it can be set to push-to-talk, to allow the use of several microphones on a single channel, or as a mute switch to temporarily mute the sound when having a private conversation. 1. Select Mode > Button Mode. 2. Select one of the following options: Option Description None The button has no function.
5. Pairing Comfort Digisystem devices By pairing two or more Comfort Digisystem devices you ensure that they can communicate securely with each other. Comfort Digisystem is a digitally encrypted communication system that relies on unique code keys to provide transmission security. Any units that are to be used together needs to be set to the same channel and share the same code key.
Table 1: Pairing short cuts accessible through the pairing button. Option Description A single press. Takes you to the pairing menu. A long press. Sets the unit to receive pairing information. (For units with more than one channel, this affects the transmitter channel only.) A double press. Sends pairing information. (For units with more than one channel, this affects the transmitter channel only.
Available channels In most European countries, channels 1-3 (863.250 – 864.750 MHz) may be used for hearing products. However, always verify with the local frequency assignment authority which channels are free to use and which require a licence. 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.
3. To send the pairing information, select one of the following options: Option Description Send Info Send the existing code key. Back Send Info Receive Info New Code Key New Code Key Back Send Info Receive Info New Code Key Generate and send a new code key. ! Important: This will break the pairing with any previously paired units. When the info is sent the text Info sent! will appear in the display.
If the pairing is successful, the word OK will appear in the display of Microphone DM30.
6. Advanced features This product has special features and settings that lets you tailor the unit to the user's specific needs. FCR Free Channel Request (FCR) blocks transmission when the selected channel is occupied. This eliminates problems with interference that can occur when multiple microphones are used simultaneously, as in push-to-talk configurations.
A student pushes the push-to-talk button to respond to a question and all other microphones with FCR enabled are blocked. As soon as the button is released the other students are free to use their microphones. The teacher is using a separate channel to be able to talk freely without interrupting the students. Figure 3: The student microphones shine red to indicate that someone else is using the channel. Enable FCR FCR can be enabled to avoid interfering with other microphones when using push-to-talk.
Enable the FCR indicator You can activate the FCR Indicator to get visual feedback when the FCR feature blocks transmission. The function indicator will turn red to indicate blocked transmission. 1. Select Mode > Button Mode. 2. Check FCR indicator. Input levels The sensitivity of the various inputs is adjustable so you can match the levels to different audio sources and situations.
Adjust the level of the external microphone Adjust the input level of the external microphone to compensate for different microphone sensitivities. 1. Select Sound > Socket. 2. Select Level under External Mic. 3. Adjust the volume to the desired level. 4. Press to confirm you choice. Adjust the level of the line input If needed, adjust the sensitivity of the line input to match the output level of the connected device. 1. Select Sound > Socket. 2. Select Level under Line In. 3.
1. Select Sound > Socket > Max/Fix Vol.. 2. Select Settings under Max Volume. 3. Adjust the volume to the desired level. 4. Press to confirm you choice. Set a fixed volume level If there is no need of a user adjustable volume, you can lock the volume to a fixed level. 1. Select Sound > Socket > Max/Fix Vol.. 2. Select Settings under Fix Volume. 3. Adjust the volume to the desired level. 4. Press to confirm you choice.
2. Use to scroll through the list of characters. Press to enter the selected character. 3. When done select . (To cancel, select instead.) PIN code settings To prevent tampering or unintentional changes of the settings, you can lock the product with a four digit PIN code. Set a PIN Code 1. Select Settings > PIN Code. 2. Check Enabled. 3. Use to scroll through the list of characters. Press to enter the selected character. Enter new PIN 1000 0 1 4. When done select . (To cancel, select instead.
Choose which functions to lock By selecting which functions to lock with the PIN code you can allow access to commonly used functions while preventing access to others. 1. Select Settings > PIN Code > Lock Select. 2. Select the functions you want to lock: Option Description Mode Lock access to the Mode menu. Pair Lock access to the Pair menu Sound Lock access to the Sound menu All Menus Lock access to all menus.
5. Select to confirm PIN. Disable the PIN code If you no longer wish to lock access to the unit, you can disable the 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. 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. 2. Select Yes.
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7. Menu overview Back Communication Back Channel Pair Mode Back Master Unit Companion Unit Button Mode Receiver On/Transmitter On Sound Back Loop Socket Internal Mic Settings Back PIN Code Charge Language Name Func.
Back Leave the current menu. Communication Settings for radio channels and pairing. Channel Change the transmitting and receiving channel. Pair Pair the unit with another Comfort Digisystem device. Allows you to generate a new code key to make the system secure. Mode Set the operating mode of the unit. 48 Master Unit Make the unit a Master Unit that receives sound from Companion Units. Companion Unit Make the unit a Companion Unit that transmits sound to the Master Unit.
Sound Settings related to the sound of the unit. Loop Enable the neckloop output. Socket Various level adjustments and settings for sound sources connected to the aux socket. Internal Mic Set the level of the built-in microphone. Settings General settings. PIN Code Lock the unit with a PIN code to prevent tampering. Charge When Auto Power Off is activated, the unit will turn off when charged. Auto Restart will start the unit when charging is interrupted. Default is to stay on during charging.
LBT Verify that the selected channel is free before the transmission is started. This is done to avoid interference with any existing signals. If the selected channel is busy, the following text will appear: “This channel is busy, select a new channel”. Key Lock Manually activate the key lock. About Information about the firmware version.
8. Function indicator The function indicator gives you information about the units current status. Table 2: Pairing indications Status Indication Ready to receive pairing information Pairing information sent. Information received Table 3: Charging indications Status Indication Normal operation //... ...//... ...//... //... ...//... ...//...
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Boom microphone, black Boom microphone, beige Clip on microphone 54 Microphone DM30
10.Technical specifications Type of transmitter/receiver SST - SecureStream Technology Range Approx. 30 m Dimensions 97x41x17 mm Weight 51 g Frequency range transmitter 852 - 872 MHz, 2.40 - 2.48 GHz Frequency range receiver 852 - 872 MHz, 2.40 - 2.48 GHz Antennas Built-in Operating time Up to 10 hours. Dependent on usage conditions. Measured with factory settings. Charging time Up to 3 hours.
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11.Radio Comfort Digisystem relies on radio technology to transfer the sound between transmitters and receivers. Like all radio systems, it communicates on specific channels. If you use two transmitters on the same channel, or neighbouring ones, there may be interference. Other electronic equipment can also interfere with radio transmissions. Channel planning To achieve optimal radio performance you need to take into account the distance between transmitters and their frequencies.
12.Battery maintenance This product has a built in Lithium-Ion Polymer battery. Lithium-Ion batteries do not suffer from so called memory effects and do not need to be routinely discharged to preserve performance. The battery's capacity will degrade over time. This is normal for all rechargeable batteries. Battery lifetime is dependent on usage patterns. The battery is preferably charged little and often; it will reach 90% of its capacity after half its charging time.
13.Troubleshooting Consult the following guide if you have problems with your equipment. If you still have questions, please contact your point of purchase. Symptom Cause • The device does not start. • The battery is depleted. • Charge the battery. • is released too soon. • Press for at least 2 sec. Solution • Poor speech intelligibility. • The distance between • Reduce the distance to the microphone and the the speaker. person speaking is too long.
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. If you are in a need of service on your device, please contact your point of purchase.
Contact information Head office SWEDEN Comfort Audio AB Box 154 SE-301 05 Halmstad +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.
GERMANY BENELUX Comfort Audio GmbH Comfort Audio BV Curiestraβe 2 Nieuwe Steen 20 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 USA Comfort Audio Inc. 411 E. Business Center Drive Suite 109 Mount Prospect, IL 60056, USA +1 888 421-0843 usa@comfortaudio.com www.comfortaudio.
Product symbols The product complies with the European directive 93/42/EEC, including amendments, concerning medical devices. The product complies with the essential requirements of the European Directive 1999/5/EC, including amendments, concerning Radio and Telecommunications terminal equipment. The product is covered by the European directive 2002/96/EC, including amendments, concerning Waste Electrical and Electronic Equipment (WEEE).
Indoor use only. Class II equipment.
Trademark and copyright notices 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.
Comfort Audio AB Box 154 SE-301 05 Halmstad, Sweden Phone: +46 35 260 16 00 info@comfortaudio.com www.comfortaudio.com © Comfort Audio AB. All rights reserved.All content is subject to change without notice.
