RA660 Operation Manual
8509790 Rev. 2
44
18/04/2018
4. Retest if threshold >= to 90 dB or > 30 dB at 250 or 500 Hz
– If the
threshold at any frequency is 90 dB or greater or the threshold is greater
than 30 dB at 250 or 500 Hz a retest will occur
5. Retest if difference from baseline >= 15 dB
– if a baseline is present and
the current threshold differ by 15 dB or more a retest occurs.
5.7.2 Room Monitor
Pause Testing If Over Limits
– If enabled the test will automatically pause if
the octave band sound level exceeds the theshold level entered for each
frequency in the boxes below.
Add New Zone
– See Section 5.9 Room Monitor
Summary of Contents for RA660
Page 1: ...RA660 Operation Manual RA660 PC based group audiometer...
Page 2: ...RA660 Operation Manual...
Page 41: ...RA660 Operation Manual 8509790 Rev 2 39 18 04 2018 RA660 Daily Listening Check Screens...
Page 56: ...RA660 Operation Manual 8509790 Rev 2 54 18 04 2018...
Page 70: ...RA660 Operation Manual 8509790 Rev 2 68 18 04 2018...
Page 71: ...RA660 Operation Manual 8509790 Rev 2 69 18 04 2018 7 2 Import Data Format...
