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WARRANTY 

 

MICRO AUDIOMETRICS CORPORATION 

LIMITED WARRANTY 

 

EARSCAN 3 PURE TONE AUDIOMETER 

 

1.  This is a "LIMITED WARRANTY" as defined in the Consumer Product Warranty and 
Federal Trade Commission Improvement Act.  This WARRANTY gives you specific legal 
rights and you may also have other rights that vary from state to state. 
 
2.  Micro Audiometrics Corporation warrants this Earscan 3 Pure Tone Audiometer to be 
free from defects in materials and workmanship for three (3) years and headset for one (1) 
year under normal use.  This warranty applies only to the original customer, and only on units 
purchased and used solely in the United States.  Micro Audiometrics Corporation may, at its 
sole and exclusive option, replace this product. 
 
3.  This WARRANTY does not apply to any product damaged by accident, misuse, 
alteration or abnormal condition of operation, or if the products were altered or repaired by 
anyone other than Micro Audiometrics Corporation or one of its Authorized Equipment 
Service Centers. 
 
4.  This WARRANTY does not cover cartons, carrying cases, noise reducing enclosures, 
cables, batteries, broken or marred cabinets, or any other accessories used in connection 
with the product, or consequential damages due to a defect in the product. 
 
5.  This WARRANTY begins on the date of purchase.  For your convenience, keep the 
dated bill of sale or packing list as evidence of the purchase date. 
 
6.  In the event of any claim of a defect covered by this warranty, the customer should take 
the following steps: 
 
• 

Contact Micro Audiometrics Corporation for Customer Assistance regarding the nature 
of the claim. 

• 

The returned audiometer and headset should be re-packed in its original shipping 
carton, with the audiometer held in place by the plastic film of the retaining panel.  If the 
original shipping carton is not available, choose an appropriate carton with sufficient 
padding to prevent shipping damage. 

• 

Return the instrument to the nearest Micro Audiometrics Authorized Equipment Service 
Center, or to Micro Audiometrics Corporation, 655 Keller Rd, Murphy, NC 28906. 

• 

The customer is responsible for shipping expenses. 

 

 

Содержание Earscan 3 ES3S

Страница 1: ...ES3S Pure Tone Audiometer User s Guide Rev 1 12...

Страница 2: ...ing in manual mode at high HTL settings limit signal duration to no more than 1 second 5 If the ES3S has only external power available low batteries or no batteries installed be aware that unplugging...

Страница 3: ...ting Procedure 14 Manual Audiometry Options 14 Frequency Selection 14 Other Options 15 Automatic Screening Audiometry 16 Automatic Screening Function Key 17 Testing Procedure 17 Automatic Screening Au...

Страница 4: ...ngs 22 Firmware Upgrade 22 Headset Management 23 Calibration 24 Technical Specifications 25 Functional Quick Checks 26 Trouble Shooting Guide 27 External Interface 28 Connectors 28 Multi purpose Conne...

Страница 5: ...LTS KEY FUNCTIONS 19 TABLE 5 SCALE OF HEARING LOSS 19 TABLE 6 DATA TRANSMIT OPTIONS 20 List of Figures FIGURE 1 KEYPAD 7 FIGURE 2 MAPPING FUNCTION KEYS TO LCD TEXT 8 FIGURE 3 MANUAL AUDIOMETRY DISPLAY...

Страница 6: ...pplied software firmware updates upgrades can be downloaded from the Micro Audiometrics website and installed on the ES3S Micro Audiometrics will be periodically adding new features to the firmware an...

Страница 7: ...ey is used to exit test mode and enter the menu system and also to move from lower to higher menu screens Press Menu while in manual audiometry mode to enter the top level of the menu system If the us...

Страница 8: ...his illustrative example there are four Actions Auto Send Clr and Talk assigned to Function keys and Press to perform action Auto to perform the action Send to perform action Clr and to perform action...

Страница 9: ...minates in three phone plugs compatible with standard booth patch panels The headphone adapter cable provides mono phone plugs for TDH 39 headphones Power Up Press the On key and the ES3 logo will scr...

Страница 10: ...wer Down SETUP POWER A C POWER DOWN Never 1 minute 5 minutes 15 minutes 30 minutes 1 hour Battery Backlight SETUP POWER BATTERY BACKLIGHT 5 seconds 10 seconds 20 seconds 30 seconds 1 minute Battery Po...

Страница 11: ...or to exit talk over Time and Date The ES3 has a battery backed up real time clock to maintain time and date The clock is set at the factory prior to shipment See section Real Time Clock Settings for...

Страница 12: ...creen format shown in Figure 3 will be displayed assumes factory defaults for starting frequency and level Figure 3 Manual Audiometry Display Once a threshold has been obtained the display will change...

Страница 13: ...s the functions of keys that are active in the manual audiometry mode The second column indicates the action of the function keys Table 2 Manual Audiometry Key Functions Select next lower higher enabl...

Страница 14: ...4 through 7 until threshold has been determined for each frequency for the selected ear 9 Change the test Ear by pressing 10 Repeat steps 4 through 8 until threshold has been determined for each frequ...

Страница 15: ...keys to select the desired setting for the option and press Table 3 Other Manual Audiometry Options Ear Ear to be tested first Left Right Level Initial level when new test is started 10 15 20 25 30 35...

Страница 16: ...o the highest level selected or until the patient presses the response button after a presentation Once the patient responds to a presentation that presentation level is recorded as the screening resu...

Страница 17: ...DIOMETRY SETUP AUTO SCREENING FREQUENCIES The default frequencies for automatic screening mode are 1000 2000 and 3000 Hz Move the highlight to the frequency to select or deselect for testing by using...

Страница 18: ...Displaying Results on the LCD Test results are displayed via the menu sequence DISPLAY RESULTS Threshold levels obtained via manual testing are displayed with an m and screening levels obtained via a...

Страница 19: ...de and return to the menu system Quantifying Hearing Loss Table 5 provides a general reference for converting threshold in decibels to degree of hearing loss Table 5 Scale of Hearing Loss 0 20 dB Hear...

Страница 20: ...port BAUD rate 9600 28 8k 57 6k 115 2k Insert Linefeed Insert linefeed after after each line for printer use No Yes SCREEN AND CLOCK OPTIONS LCD brightness and contrast are user adjustable to allow op...

Страница 21: ...r just appear as a full screen display This option is set via the menu sequence SETUP DISPLAY SCROLL LOGO Select Yes for the scrolling display or No for the full screen display Note If the ES3S powers...

Страница 22: ...fected Caution Reset Settings will return all user selectable settings to factory defaults User settings that differ from factory defaults will be lost FIRMWARE UPGRADE The embedded software in the ES...

Страница 23: ...the same type e g two sets of TDH 39 or two sets of EAR 5A it is still important to keep track of which headset is designated as the Primary one and which as the Secondary one since different earphone...

Страница 24: ...s equipped None should be selected CALIBRATION Micro Audiometrics recommends that audiometers be calibrated annually About one month before the annual calibration due date the ES3 will begin displayin...

Страница 25: ...to 95 Phones 500 thru 1500 Hz 10 to 80 10 to 100 1 dB 2000 and 3000 Hz 10 to 80 10 to 95 4000 and 6000 Hz 10 to 80 10 to 90 8000 Hz 10 to 80 10 to 85 Attenuation 5 10 20 db steps Presentation Pulsed o...

Страница 26: ...keys are pressed while in the menu system keys are silent in test mode Next check signal generation and keypad control Set frequency to 1000 Hz set level to 70 dB HTL and press A tone pulsed or conti...

Страница 27: ...hat mounting screws are snug 2 Disconnect response button plug from headset response button cable clean plug and reconnect Data is not properly sent to computer Reference Transmitting Data 1 Verify th...

Страница 28: ...ter power cable USB cable or serial computer power cable may be attached to the mini DIN connector Connector pin outs are as follows Multi purpose Connector 6 pin mini DIN pin configuration is shown a...

Страница 29: ...sed 10 9 8 7 6 5 Rt Phn 13 Not Used 15 14 13 12 11 6 RspButton 14 Not Used 7 Ground 15 Not Used 8 Not Used DPU 414 Printer Switch Settings The setup switches on the Seiko Instruments DPU 414 printer s...

Страница 30: ...er and firmware revision are important when upgrades updates and or service are being considered Figure 7 Information Display E a r s c a n 3 A u d i o m e t e r A N S I S 3 6 T y p e 4 S N 0 1 0 3 0...

Страница 31: ...of its Authorized Equipment Service Centers 4 This WARRANTY does not cover cartons carrying cases noise reducing enclosures cables batteries broken or marred cabinets or any other accessories used in...

Страница 32: ...diometrics Corporation 655 Keller Rd Murphy NC 28906 USA Toll free 866 EARSCAN 3277226 Voice 828 644 0771 Fax 828 644 0772 Product and company information is available on the internet www earscan com...

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