Recommended Operating, Storage Temperature, and
Humidity Ranges
C
ondition
Operating Temperature
Storage Temperature
Relative Humidity
Expected Life
The expected life of the M Listening Check is 1 year.
Ingress Protection (IP) Ratings
The following product configuration has an IP rating of 22
(protection against insertion of solid objects ≥ 12.5 mm
diameter; protection against failure due to dripping water
when tilted up to 15˚):
•
The Naída™ CI M90 sound processor with the
M Listening Check, an M Battery or M Zn-Air Battery
Pak, an M T-Mic™ microphone, M Earhook, or
M Acoustic Earhook, and a headpiece.
DISPOSAL AND HAZARDOUS MATERIALS
Dispose of the M Listening Check in accordance with
applicable national and local regulations. Hazardous
materials: not applicable to this product.
M
iniMuM
0˚C (32˚F)
-20˚C (-13˚F)
0%
M
axiMuM
45˚C (115˚F)
55˚C (131˚F)
95%
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