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Model 2500 – User Manual
AMBCO 2500
AUDIOMETER SYSTEM
WITH FIVE YEAR WARRANTY
Model 2500 Audiometer with Printer and OTO-Chek Biological Test
Simulator
MICROPROCESSOR CONTROLLED PURE TONE AUDIOMETER AUTOMATIC,
SEMIAUTOMATIC, MANUAL HEARING TESTS INTERNAL MEMORY FOR
STORAGE TESTS COMPUTER COMPATIBLE
AMBCO
Electronics
15052 REDHILL AVE SUITE #D • TUSTIN, CA 92780 • (714) 259-7930 • FAX (714) 259-1688
WWW.AMBCO.COM
10-1002, Rev. B
DCO 17–008, 11–13–17
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Summary of Contents for Ambco 2500
- Page 1 Model 2500 – User Manual AMBCO 2500 AUDIOMETER SYSTEM WITH FIVE YEAR WARRANTY Model 2500 Audiometer with Printer and OTO-Chek Biological Test Simulator MICROPROCESSOR CONTROLLED PURE TONE AUDIOMETER AUTOMATIC, SEMIAUTOMATIC, MANUAL HEARING TESTS INTERNAL MEMORY FOR STORAGE TESTS COMPUTER COMPATIBLE...
- Page 2 Model 2500 – User Manual The AMBCO Model 2500 is an easy to use microprocessor controlled air conduction pure tone audiometer for testing hearing. OUTSTANDING FEATURES AUTOMATIC, SEMIAUTOMATIC, MANUAL TESTS PRINT AND STORE TEST AUTOMATICALLY INTERNAL MEMORY STORES UP TO 260 TESTS ...
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Page 3: Table Of Contents
Model 2500 – User Manual TABLE OF CONTENTS ABOUT THE 2500 ……………………………………………………….…………………….……………….5 Features and Specifications of the Model 2500 To Get Started Connections on the Back Panel Front Panel Button Locations The Audiometer Display QUICK START REFERENCE……………………………….……………………………………..………..8 Checking Your Instrument... - Page 4 Model 2500 – User Manual APPENDIX………………………….………………………………………………………………………………….….…15 Turning Off an Alarm Errors Caused by the Patient III. What to Do When There is a Test or System Error Connecting to a Computer for Data Transfer Setting the Switch Options What is Printed on an Audiogram VII.
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Page 5: About The 2500
The Model 2500 user interface has been expanded with scrolling help messages, system switches and extended automatic, semi-automatic and manual test modes. Please familiarize yourself with the 2500 by reviewing this manual so that your testing will be easy, accurate and fast. -
Page 6: To Get Started
Check for any visible damage, and contact AMBCO or an authorized distributor if any damage is noted. Place the 2500 on a flat table, and connect the AC adapter to the AC jack on the back panel. Connect the patient response to the BLACK jack, and right and left earphones into the RED and BLUE jacks, respectively. -
Page 7: Front Panel Button Locations
Model 2500 – User Manual FRONT PANEL BUTTON LOCATIONS THE AUDIOMETER DISPLAY 10-1002, Rev. B DCO 17–008, 11–13–17 Page 7 of 22... -
Page 8: Quick Start Reference
‘Date 01/01/96’ CHECKING YOUR INSTRUMENT If you have an OTO-CHEK or similar type of biological simulator, connect it to the 2500 prior to checking your instrument. Press the ‘AUTOTEST’ to start test sequence. The display will show SS#. Press the ‘AUTOTEST’ button twice more to begin a test. After a complete cycle has been completed, an alarm will sound. -
Page 9: How To Interrupt An Automatic Test
To give a manual test with a printout, press ‘EVALUATE’ then press ‘PAUSE’ 3 times (waiting 1 second between pushes). The 2500 is now in manual mode. Frequency, dB levels, ear select and tone select are set by the operator. Upon completion of testing, press ‘PRINT’... -
Page 10: Which Ear Is Being Tested
Pressing ‘TONE SELECT’ toggles the presentation sequence from Pulsed to Steady mode. Each press of ‘TONE SELECT’ will toggle between Pulsed and Steady tone presentation modes. Pulsed mode is selected when you turn on the 2500. PRESENTING A TONE TO THE PATIENT The ‘TONE’... -
Page 11: Entering Patient Test Information
‘AUTOTEST’, which will start the automatic test sequence. WHAT IS VALIDITY CHECKING? During an AUTOTEST, the 2500 first establishes the HTL for 1000 Hz in the right ear. The frequency changes to 500 Hz, determines the threshold, and returns to establish a second 1000 Hz threshold (validity). -
Page 12: If A Patient Has Trouble During An Automatic Test
DAILY BIOLOGICAL SIMULATOR TESTS The 2500 has a special mode used to verify that your 2500 is operating correctly. Connect your OTO-CHEK (or similar biological simulator) to your audiometer and press and hold the ‘AUTOTEST’ button. The OTO-CHEK mode will rapidly present all frequencies, and record the established HTL’s, then print them out upon completion. -
Page 13: Recording Your Final Test Results In Memory
SYSTEM SWITCH SETTINGS MAKING ADJUSTMENTS TO THE CLOCK Pressing the ‘TIME / INC SS#’ button when the 2500 is in idle mode (displays time / date) starts the time / switch settings menu. If adjustments to the 2500’s clock are required, each press of the ‘INC SS#’... -
Page 14: If Your Display Is Hard To Read
Model 2500 – User Manual IF YOUR DISPLAY IS HARD TO READ The LCD display may be hard to read at some angles or temperatures. When the 2500 is idle, pressing the top two center buttons (see front panel diagram in Section 1.5) will vary the LCD’s contrast. -
Page 15: Appendix
TONES PRESENTED ERROR – The 2500 has presented 15 tones at one frequency. The patient either stopped responding, or did not respond to the same threshold level twice (the patient may be guessing). -
Page 16: Setting The Switch Options
Model 2500 – User Manual 2500 is not currently conducting a test. The display will show ‘Hold to Transfer Memory!,’ indicating that no test is currently being conducted. SETTING THE SWITCH OPTIONS – Contact AMBCO The following section provides details about each switch function. Refer to Section 6.2 on changing the Control Switches for more information. -
Page 17: What Is Printed On An Audiogram
Model 2500 – User Manual WHAT IS PRINTED ON AN AUDIOGRAM The Serial Number of your 2500 The last time it was calibrated The person or company who calibrated it When the calibration is due The test number, date and time The patient’s Social Security Number... -
Page 18: Oto-Chek
Model 2500 – User Manual VII. OTO-CHEK 10-1002, Rev. B DCO 17–008, 11–13–17 Page 18 of 22... -
Page 19: 2500 Quick Reference
Model 2500 – User Manual VIII. 2500 QUICK REFERENCE 10-1002, Rev. B DCO 17–008, 11–13–17 Page 19 of 22... -
Page 20: Oto-Chek Quick Reference
Model 2500 – User Manual OTO-CHEK QUICK REFERENCE 10-1002, Rev. B DCO 17–008, 11–13–17 Page 20 of 22... -
Page 21: How To Send Your Audiometer For Calibration Or Repair
3) If you need us to call you with an estimate before repairing the unit, please specify this information on the following form. AMBCO will automatically replace all broken parts and repair any “out of specification” problems, unless instructed otherwise. -
Page 22: Form To Send In With Your Audiometer For Service
(If necessary, the back side of this page may be utilized as well) Notes______________________________________________________________ ___________________________________________________________________ __________________________________________________________________ For AMBCO’s Internal Use ONLY: (Do Not Fill Out this section) Date Received: _____________Carrier: _______ Method: _______Model:__________ SR#:___________ Items Received: ( )Audiometer ( )Headset ( )P/R...
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