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Summary of Contents for otometrics MADSEN Astera2
- Page 1 MADSEN Astera² User Guide Doc. No. 7-50-1350-EN/04 Part No. 7-50-13500-EN...
- Page 2 Copyrightnotice No part of this documentation orprogram may be reproduced, stored in a retrieval system, ortransmitted, in any form orby any means, electronic, mechanical, photocopying, recording,or otherwise,without the prior written consent of GN Otometrics A/S. Copyright© 2015, GN Otometrics A/S Published in Denmark byGN Otometrics A/S, Denmark All information, illustrations, and specifications in this manual are based on the latest productinformation available at the time of publication.
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Page 3: Table Of Contents
10 The Sunshine Panel 11 Proper transducer placement 12 Performing tone audiometry 13 Performing speech audiometry 14 Service, cleaning and calibration 15 Other references 16 Technical Specifications 17 Definition of symbols 18 Warning notes 19 Manufacturer Otometrics - MADSEN Astera²... -
Page 4: Device Description
Indicates that there is a risk of death or serious injury to the user or patient. • Caution Indicates that there is a risk of injury to the user or patient or risk of damage to data or the device. • Note Indicates that you should take special notice. • Otometrics - MADSEN Astera²... -
Page 5: Unpacking
1. To remove the cable cover from MADSEN Astera² press the releases on both sides of the cable cover, swing the cover up into vertical position and lift it off MADSEN Astera². 2. Lift off the cable cover. Otometrics - MADSEN Astera²... - Page 6 Run the OTOsuite Configuration Wizard to connect to and set up communication with MADSEN Astera²: Select Tools > Configuration Wizard... Connecting the ACP to MADSEN Astera² Caution Install OTOsuite on the PC before you connect to MADSEN Astera² from the PC. • Otometrics - MADSEN Astera²...
- Page 7 3. When you have connected the accessories, slide the cable cover onto MADSEN Astera² and click it into place. Connecting the ACP to the PC The ACP is powered from the PC through a USB connection. Caution Install OTOsuite on the PC before you connect the ACP to the PC. • Otometrics - MADSEN Astera²...
- Page 8 2. Place the ACP in front of the PC monitor. 3. Plug one end of the USB cable into the USB socket located in the ACP rear panel and the other end of the cable into a USB socket on the PC. Otometrics - MADSEN Astera²...
- Page 9 PC, and equipment connected to the line in and the line out sockets of MADSEN Astera². See also Connector warning notes ► 34 General warning notes ► 35 For a detailed description of the connection panel, see the MADSEN Astera² Reference Manual. Otometrics - MADSEN Astera²...
- Page 10 P. Sound field speakers (line output) Note Blue corresponds to Left and red corresponds to Right. • Warning Use only the power supply provided by Otometrics. • Caution • When you connect other electrical equipment to MADSEN Astera², remember that equipment that does not comply with the same safety standards as MADSEN Astera²...
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Page 11: Powering The Device
MADSEN Astera² and OTOsuite. After you have configured OTOsuite for the first time, if MADSEN Astera² is turned on when you open the Control Panel in OTOsuite, then MADSEN Astera² will connect to OTOsuite automatically. Otherwise, you can connect MADSEN Astera² as follows: 1. Switch on the device. Otometrics - MADSEN Astera²... -
Page 12: On-Screen Controls
Note • The actual position of the keys may depend on your keyboard type. Toolbar icons in the Audiometry Module The icons available in the toolbar depend on the test function that you have selected. Otometrics - MADSEN Astera²... - Page 13 Displays the audiogram from 125 to 8000 Hz. All Frequencies Displays the audiogram from 125 to 20,000 Hz. High Frequencies Displays the audiogram from 8000 to 20,000 Hz. New Audiogram Select new audiogram. You will be prompted to save or cancel current data. Otometrics - MADSEN Astera²...
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Page 14: The Sunshine Panel
The Sunshine Panel Control Panel Click the icon in the toolbar to activate the Control Panel. Click the Sunshine Panel icon in the toolbar to select or deselect the Sunshine Panel in either Tone Speech testing. Otometrics - MADSEN Astera²... - Page 15 Click on the buttons to toggle the selection • Right-click on a button to select a combination of functions. Function Icon Description Stimulus Ear Selection Click to select test ear: • Right Binaural • Left • Otometrics - MADSEN Astera²...
- Page 16 (Most Comfortable Loudness level) • (Uncomfortable Loudness level) • (Speech Detection Threshold) (Speech) • (Speech Recognition Threshold) (Speech) WRS/SRS • (Word Recognition Score/Sentence Recognition Score) (Speech) Talk Forward Talk Forward dialog is described in the MADSEN Astera² Reference Manual. Otometrics - MADSEN Astera²...
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Page 17: Proper Transducer Placement
2. It is best to clip the insert earphone transducers behind the child or on the back of their clothing and then fit the foam eartip into the child's ears. Bone Oscillator Note For unmasked bone thresholds, you can store binaural data by selecting Binaural bone in the routing section • of the control panel. Otometrics - MADSEN Astera²... -
Page 18: Performing Tone Audiometry
2. Make sure the bone oscillator is tight on the forehead but still comfortable. Performing tone audiometry Sunshine Panel A. Ear selection B. Stimulus transducer C. Masking, transducer and On/Off D. Stimulus type Test type Talk Forward dialog G. Monitor/Level H. Test Selector Otometrics - MADSEN Astera²... - Page 19 8. Repeat steps 4 to 8 until all the measurements you need have been completed. If needed, did you test: – Both ears – Air conduction – Bone conduction – Masking – Threshold, MCL and UCL 9. Save the audiogram. Otometrics - MADSEN Astera²...
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Page 20: Performing Speech Audiometry
You can talk to the patient to adjust the patient communication levels when Talk Forward is active. 4. In the Control Panel, select test conditions for ear, transducer, unmasked/masked, and test type. 5. Select the stimulus level with the Up/Down arrow buttons. Otometrics - MADSEN Astera²... -
Page 21: Service, Cleaning And Calibration
In case of any defects, make a detailed description of the defect(s) and contact your supplier. Do not use a defective device. Otometrics - MADSEN Astera²... -
Page 22: Other References
For more information, see the online Help in OTOsuite, which contains detailed reference information about MADSEN Astera² and the OTOsuite modules. For instructions on installing OTOsuite, see the OTOsuite Installation Guide, which you can find on the OTOsuite install- ation medium (disk or memory stick). Otometrics - MADSEN Astera²... -
Page 23: Technical Specifications
16 Technical Specifications Technical Specifications 16.1 MADSEN Astera² Type identification MADSEN Astera² is type 1066 from GN Otometrics A/S. Channels Two separate and identical channels Frequency range TDH39 earphones: Standard frequencies: 125 - 12500 Hz HDA 300 earphones: Standard frequencies: 125 - 20000 Hz Insert earphones: Standard frequencies: 125 - 8000 Hz... - Page 24 -10 to 80 dB HL (1500 to 3000 Hz; mastoid placement) 103 dB HL (Note: with external amplifier) Total harmonic distortion Air < 2.5 % Bone < 5 % Selectable transducers TDH39, HDA 300, and Insert Earphones Bone vibrator (Mastoid / Forehead) Otometrics - MADSEN Astera²...
- Page 25 Operator monitor headset - head- • 40 mW 16 phones • 3.5 mm jack Operator monitor headset - boom • Electret microphone microphone • Input voltage: 0.002 to 0.02 Vrms, Ω • Input resistance: 2.21 k • 3.5 mm jack Otometrics - MADSEN Astera²...
- Page 26 Warm-up time < 5 min. Note • Should be extended if MADSEN Astera² has been stored in a cold environment. Disposal MADSEN Astera² can be disposed of as normal electronic waste, according to WEEE and local regulations. Otometrics - MADSEN Astera²...
- Page 27 8-71-80200 MAINS CORD, H05VV, UK PLUG 8-71-82700 POWER CABLE AUSTRALIA 8-71-86400 POWER CABLE CHINA 7-08-027 MAINS CORD, H05VV, CH PLUG 7-08-017 POWER CABLE, SJ, US HOSP. PLUG Standards Audiometer: IEC60645-1, Type 1, IEC60645-2 and ANSI S3.6 Otometrics - MADSEN Astera²...
- Page 28 2 rotary knobs (32 steps in each rotation) USB port connector Type: USB device port Compliant: USB 2.0 Speed: Full-speed (12 Mb/s) Transport and storage Temperature: -30°C to +60°C (-22°F to 140°F) Air humidity: 10% to 90%, non-condensing Otometrics - MADSEN Astera²...
- Page 29 Complies with IEC 60601-1, Class 1, Type B; UL 60601-1; CAN/CSA-C22.2 NO 601.1-90. EMC: IEC 60601-1-2 16.3 Accessories Standard accessories and optional accessories may vary from country to country - please consult your local distributor. MADSEN Astera² • Audiometer Control Panel (ACP) Otometrics - MADSEN Astera²...
- Page 30 RF emissions Class B MADSEN Astera² issuitable for use in all environments, including domestic environments and those dir- CISPR 11 ectly connected to the public low-voltage power supply network that supplies buildings used for domestic purposes. Otometrics - MADSEN Astera²...
- Page 31 MADSEN Astera² isintended for use in the electromagnetic environment specified below. The user of MADSEN Astera² should ensure that it is used in such an environment. Immunitytest IEC 60601 Compliancelevel Electromagnetic environment - guidance test level Otometrics - MADSEN Astera²...
- Page 32 MADSEN Astera² can help prevent electromagnetic interference by maintaining a minimum distance between portable and mobile RF communications equip- ment (transmitters) and the MADSEN Astera²as recommended below, according to the maximum output power of the communications equipment. Otometrics - MADSEN Astera²...
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Page 33: Definition Of Symbols
This requirement applies in the European Union. Do not dispose of these products as unsorted municipal waste. You can return your device and accessories to Otometrics, or to any Otometrics supplier. You can also con- tact your local authorities for advice on disposal. -
Page 34: Warning Notes
All connectors within the red frame are connected directly to patient transducers. Fig. 1 Sockets with direct connections to patient transducers - MADSEN Astera² connection panel Isolated connectors • All connectors within the red frame are isolated from patient transducers. Otometrics - MADSEN Astera²... - Page 35 14. It is recommended that an annual calibration be performed on accessories containing transducers. Furthermore, it is recommended that calibration be performed if the equipment has suffered any potential damage (e.g. headphones dropped on the floor). Otometrics - MADSEN Astera²...
- Page 36 22. To comply with Medical Electrical Systems in IEC 60601-1-1 or IEC 60601-1 (3rd) computer and printer must be placed out of reach of the client, i.e. not closer than approx. 1.5 meters/5 ft. 23. Do not touch non-medical parts, such as the laptop/computer or printer and the patient at the same time. Otometrics - MADSEN Astera²...
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Page 37: Manufacturer
• The equipment is used in accordance with the instructions for use. The manufacturer reserves the right to disclaim all responsibility for the operating safety, reliability and performance of equipment serviced or repaired by other parties. Otometrics - MADSEN Astera²... - Page 38 19 Manufacturer Otometrics - MADSEN Astera²...
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Questions and answers
No power button on Astera 2 panel
The Otometrics MADSEN Astera² is a PC-controlled audiometer, meaning it is operated directly from the OTOsuite software on a connected computer. Because of this design, the device does not require a dedicated power button on its panel, as it is powered and controlled through the computer system.
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