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General| Brand | Welch Allyn |
|---|---|
| Model | AM 232 |
| Category | Measuring Instruments |
| Language | English |
Annual instrument recalibration process.
Details on product warranty and coverage.
Warranty specific to rechargeable batteries.
Compliance with industry standards.
Electrical power requirements and details.
Battery types and operation.
Operating and storage conditions.
Physical dimensions and weight.
Available additional accessories.
Product catalog numbers and models.
Procedures for receiving and checking the instrument.
List of items included with the audiometer.
Identification of front and rear panel elements.
Steps for setting up the audiometer.
Steps to prepare the subject and environment.
Allowing subjects to recover from loud noise exposure.
Methods to minimize environmental noise interference.
Maximum allowable background noise levels.
How to use the NiCad battery.
Steps for charging the NiCad battery.
Procedures for swapping NiCad batteries.
Using and installing alkaline batteries.
Initial checks before testing.
Guiding the test subject through the process.
Correctly fitting earphones on the subject.
Using the subject response indicator.
Understanding and using the test results form.
Performing monthly calibration verification.
Procedures for conducting tests, including HL control, range extension, and tone type selection.
Step-by-step guide for a test session, including pretest review, familiarization, and threshold determination.
Reviewing pre-test setup.
Introducing tones to the subject.
Finding the lowest audible sound level.
Performing periodic calibration checks.
Checking earphone cord integrity.
Testing for unwanted noise artifacts.
Checking for audio signal quality issues.
Understanding on-screen error messages.
Error message indicating calibration issues.
Error message indicating system errors.
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