AmpliVox 270+ - 4.8. PERFORMING PURE TONE AUDIOMETRY; 4.8.3. PERFORMING PURE TONE AUDIOMETRY; 4.8.4. MASKING (PURE TONE AUDIOMETRY); 4.8.4.1. BC MASKING TRANSDUCERS

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D-0126050 rev 1 - 270+ Operating Manual
4.8. PERFORMING PURE TONE AUDIOMETRY
4.8.1. PURE TONE SCREEN
The instrument will always start from the tone audiometry screen. The following information is provided on the
screen:
1a
Test Stimuli and
Tone present
Sine or Warble
1b
Pulsed, Continuous
2
Test Level
Current present level of selected ear (in this example right ear)
3
Test Frequency
Current test frequency
4
Masking
Masking Level at current test frequency (in this example masking is off)
5
Stored Test Level
Left Ear
Test Level stored for Left Ear or Loaded Test Level from previous Test
6
Stored Test Level
Right Ear
Test Level stored for Right Ear or Loaded Test Level from previous Test
7
Threshold
Testing THL, MCL or ULL (also known as UCL
3
)
8
Transducer
Phones, Insert, Bone, FField (FreeField)
9
Test ear
Left, Right, or Both (Speech and Special Tests)
4.8.2. CLEARING PREVIOUS RESULTS
In some cases a previous conducted test might still be present in the 270+.
Hit the CLEAR button to ensure no remaining
results are stored in the short-term memory.
3
Uncomfortable Loudness Level
1a
1b
8
9
5
6
7
2
3
4