User manual North America English Comfort Digisystem Micro Receiver DT20
User manual Table of contents Page 1) Regulatory information 3 2) Introduction Comfort Digisystem 4 3) Overview - Micro Receiver DT20 4 4) Check the hearing instruments input 4 5) Getting started 5 6) Acoustic indication, sound signals 5 7) Modes in the Micro Receiver DT20 6 8) Output for user with different input types and programs in the hearing instrument 6 9) Pairing 8 10) Trouble shooting 9 11) Technical data 9 12) Service and warranty 10 13) Radio range and channels 10 14)
1) Regulatory information Comfort Digisystem products are not to be used as a substitute to the hearing aids and should be used in accordance with the specifications and recommendations provided by your physician. WARNING! Changes or modifications not expressly approved by the party responsible for compliance could void the user’s authority to operate the equipment. NOTE! Max output > 130 dB SPL (Sound Pressure Level). Could be very dangerous for your hearing.
2) Introduction to the Comfort Digisystem Thank you for choosing Comfort Digisystem. Our products are easy to use and give you crystal clear sound. Before using the product, please read this manual carefully. The Comfort Digisystem products feature SecureStream Technology – a unique, patented digital technology allowing eavesdrop-secure radio transfer in real time.
2b. If the hearing instrument is equipped with a DAI input (check with audiologist or hearing instrument manufacturer), no programming of the hearing instrument is necessary. The Micro Receiver DT20 works with the Microphone (M) listening program on your hearing instrument. By setting up the Micro Receiver DT20 with the Programmer DT20, the push-button on the Micro Receiver DT20 can be used to select the listening mode: Radio only (R mode) or Radio + Hearing instrument microphone (R+M mode).
7) Listening modes in the Micro Receiver DT20 The available listening modes in the Micro Receiver DT20 can be setup in different configurations: R Default setting R+M Setup with Programmer DT20 is necessary R and R+M Setup with Programmer DT20 is necessary The Programmer DT20 is used to configure and enable or disable different listening modes in the Micro Receiver DT20. The push-button on the Micro Receiver DT20 is used to toggle between the activated listening modes.
Micro Receiver DT20 with R+M mode enabled and R mode disabled The chart below shows the output (what the user can hear) when Micro Receiver DT20 listening mode R+M is enabled, in combination with different input types and programs in the HI.
9) Pairing The Micro Receiver DT20 can receive but not transmit pairing information. To pair the Micro Receiver DT20 with your Comfort Digisystem transmitter the Micro Receiver DT20 must be connected either to your hearing instrument or to the Programmer DT20. Press the push-button on the Micro Receiver DT20 for 2 seconds to activate pairing mode. When pairing mode is activated, you receive an acoustic indication: • • Send the pairing information within 15 seconds.
10) Trouble shooting 11) Technical data Micro Receiver DT20 The receiver does not start 1. Check that the correct listening program is selected on the hearing instrument. 2. Make sure the Micro Receiver DT20 is correctly connected to the hearing instrument’s audio shoe. Also check the connection between the audio shoe and the hearing instrument. 3. Make sure all connecting surfaces are clean. 4. Check/replace the hearing instrument’s battery. 5.
12) Service and warranty 13) Radio range and channels Warranty extension Comfort Audio Inc. warrants this product sold to the first end user (buyer) against defects in materials or workmanship for the time period and as set forth below. Pursuant to this Limited Warranty, Comfort Audio will, at its own option, either (a) repair the product or the parts determined to be defective, using new or refurbished parts, or (b) provide you with a new, or at our option, a refurbished unit.
14) Important safety instructions Read these before using your product 17) Never use a transmitter or receiver set to a nonpermitted frequency. Check with the frequency authority in the country where the equipment is to be used. 1) Read these instructions. 18) The product contains sensitive electronic equipment and must be handled carefully. 2) Keep these instructions. 19) Never charge product in closed, unaired spaces such as handbags, cases or other closed storage bags. 3) Heed all warnings.
Manufactured by: Comfort Audio AB Local US office: Comfort Audio Inc, 411 E. Business Center Drive, Suite 109 Mount Prospect, IL 60056, USA T (888) 421-0843 usa@comfortaudio.com www.comfortaudio.us MA0466 1304 Comfort Audio AB, Box154, SE-301 05 Halmstad, Sweden Tel.