Page 12 OM020-9 Model 270 Operating Manual
The operator can then review the results at the end of the test and
record them on an audiogram card, print them with the optional printer
(see Section 3.9), save them to the internal memory (see Section 3.7)
and/or transfer the results to a computer (see Section 3.10).
To review the retained thresholds, select the required frequency using the
Hz keys. The recorded values for the left and right ears are shown
on the lower line of the display, designated L and R respectively.
SIGNAL MASKING
10dBHL 4kHz OFF
[ 20L] [ 10R] THL
This display shows
thresholds at 4kHz
Left ear 20dBHL
Right ear 10dBHL
To clear the Threshold Retention memory, use the Clear Test menu
option described in Section 3.5.2.
Bone Conduction and Uncomfortable Loudness Levels (ULL)
To record and review bone conduction thresholds use the BONE key.
To record uncomfortable loudness levels (ULL) press Softkey 4 with Air
conduction selected. The display will be similar to that shown below, and
ULL thresholds are recorded and reviewed as described above.
SIGNAL MASKING
40dBHL 1kHz OFF
[ 45L] [ 40R] ULL
3.7 Saving audiograms in internal memory
The user may store up to 12 audiograms, referenced by number, in the
internal memory of the audiometer. To save the current set of audiogram
thresholds press the OPTIONS key, press the NEXT key repeatedly until
“Save Audiogram to ” appears on screen. Use the UP key to select a
location numbered 1-12 and then press the SAVE key. Any results for ULL
thresholds or speech testing (see Appendix 1) will also be saved.
Note that the Save process will overwrite any records that exist in the
memory location. Press the QUIT key once confirmation that the
thresholds have been saved appears on the screen.
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