
Controls
Push-button sealed 3 button interface, allowing Power On/Off,
program switching (P1, P2, P3 or P4) and Microphone Sensitivity/
Volume control
Functional status displayed at all times through a display
Bodyworn Controller display has a backlight
Audio Amplification
Three audio inputs for dual microphones and AUX inputs or Telecoil
(all audio processing is done using DSP)
Programmability Features
In-built Flash memory for storage of user programs
Signal Processing
Audio signal processing implemented digitally using DSP technologies
Digital AGC & ASC with options such as Autosensitivity
™
, ADRO
®
,
Beam
™
and Whisper
™
Programmable speech coding strategies: ACE
™
, SPEAK and CIS with a
wide range of programmable parameters available for user’s selection
on the same processor
Up to 22 high-resolution band-pass filters provide spectral energy
estimates over the frequency range 100 to 8000Hz, depending on
the program settings. Filters with the maximum outputs can be
selected. These can be varied. The program determines the filters
selected and hence the electrodes stimulated.
Environmental conditions
Storage Temperature: –20
o
C (–4
o
F) to +50
o
C (+122
o
F)
Storage Relative Humidity: 0% to 90%
Operating Temperature: +5
o
C (+41
o
F) to +40
o
C (+104
o
F)
Operating Relative Humidity: 0% to 90% RH, Splash-proof design
�
Check manufacturer’s recommended operating conditions for
batteries used in your processor
66 - Nucleus Freedom User Manual
© Cochlear Limited 2014
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