User Manual Table of Contents Page Introduction to the Comfort Digisystem Presenting the Microphone DM20 Functions of the Microphone DM20 Getting Started First Time Use Menu More Functions Radio Range and Channels Attached Accessories Other original Accessories Trouble Shooting Service and Warranty...
The microphone has an input for a clip-on microphone or head microphone. The DM20 is equipped with a voice AGC (Automatic Gain Control) to maintain a comfortable sound level at all times. Microphone DM20...
Functions of the Microphone DM20 Function indicator Clips On / Off Pairing button Function button Menu control Input for external sound source Microphone Display Microphone DM20 Charging socket Microphone DM20...
Getting Started Charging The Microphone DM20 is chargeable. Charge the DM20 at least two hours before you use it for the first time. An empty battery is fully charged within two hours. During charging, the function indicator shows red and a lightning bolt appears through the battery symbol in the display.
Connect clip-on-microphone or any other microphone if desired. The clip-on-microphone can be attached to your clothes with its clip. DM20 can be attached with its clip or carried around the neck with the delivered neck loop (2 lengths available). Other functions are explained later in this manual.
Button mode None Push-to-talk Mic. On/Off Mute switch Receiver On/Off Sound External Mic -- Level Line In -- Level Internal Mic -- Level Settings PIN-code Charge Language Name Func. indicator Time out TX Factory Reset Key lock About Microphone DM20...
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To prevent eavesdropping, a new code key must be generated and trans- mitted between the units by pairing. Built-in If the message Channel combination not possible shows, see the receiver section. Microphone DM20...
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You can activate the Pairing function via the pairing button. Pairing 1. One brief press of the button opens the menu (choose transmitter or receiver). 2. Two brief presses activate the Send info function. 3. One long press activates the Receive info function. DM20 Microphone DM20...
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When Mic. On/Off is selected, the internal transmitter is activated/deac- tivated when the button is pressed. Mute switch The Secrecy button allows the microphone to be muted using the func- tion key so that no sound is transmitted. Receiver On/Off Activates/deactivates the built-in receiver. Microphone DM20...
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Line in Activated when, for example, TV or computer cables are to be connected to DM20. When the socket is set to Line In and a cable is connected to the jack, DM20 switches automatically to continuous transmission, even if the button function for DM20 is set on “Push-to-talk” or “Mic On/Off”.
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This function does not affect charging and pairing status. Time out TX If this function is activated, the DM20 will stop transmitting if no sound is registered for 1 minute. As soon as any sound is detected the transmission starts again.
When using the function silence button, the indicator shows red. Built-in receiver NB! The receiver on the Microphone DM20 is switched off on delivery. Receiver ON under Communication on the menu is not selected. This function must be activated in order to hear what is being said.
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The frequencies (channels) which cannot be selected for the built-in receiver are marked in red. It is not possible to select these frequencies. The simplest way of setting the DM20 is therefore to select the transmitted frequency (channel) first. The receiver is paired in the same way as other Digisystem units. See the Pairing section.
768 - 785 MHz B 854 - 863 MHz 852 - 854 MHz 865 - 872 MHz When using the built-in receiver, the choice of frequency for the receiver or transmitter is restricted as shown in Built-in receiver section. Microphone DM20...
Charging stand to connect to the charger supplied. Several charging stands can be connected in series and run from a common charger. More than two charging stands will require a bigger charger. For other accessories, please visit our website, www.comfortaudio.com Microphone DM20...
Check that the transmitter and receiver are set to the same channel. Loud hissing noise (no sound transfer) Check that the units are paired. The unit will not start during charging Disconnect the charger. Choose Settings - Charge - Auto power off in the menu. Microphone DM20...
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 accessori- es the warranty period is 90 days as of the date of delivery. Local agreements or regulations may exist.
9) Protect the power cord from being walked on or pinched particularly at plugs convenience receptacles. and the point where they exit from the apparatus. 10) Only use attachments/accessories specified by Comfort Audio AB. 11) Unplug this apparatus during Iightning storms or when unused for long periods of time.
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19) Never charge product in closed, unaired spaces such as handbags, cases or other closed storage bags. 20) Only use batteries and power supply specified by Comfort Audio AB. 21) You must not change the battery yourself; please contact your point of purchase.
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