Use Instructions

mode will not disable normal sound processor functionality but will disable Bluetooth connectivity

functions.

Activating and Deactivating Flight Mode

1. Hold down either the top or bottom of the multifunction button while attaching the battery.

2. Continue to hold down the button while the sound processor starts up, until a long, solid orange

LED is visible, approximately 10 seconds. Note that the start-up LEDs that indicate the battery

life of the rechargeable battery and the program number will be seen before the long, solid

orange flight mode LED.

3. Removing and reattaching the battery will take the sound processor out of flight mode.

CARE AND MAINTENANCE:

Storing the Naída CI M90

When not in use, store the Naída CI M90 in the equipment case provided.

Recommended Operating and Storage Temperature and Humidity Ranges

Condition

Minimum

Maximum

Operating Temperature

0⁰C (32⁰F)

45⁰C (115⁰F)

Storage Temperature

-20⁰C (-13⁰F)

55⁰C (131⁰F)

Relative Humidity

95%

Cleaning and Maintenance

Wipe the outside of the Naída CI M90 with a soft, dry cloth. Do not immerse in liquids or use cleaning

agents for cleaning the sound processor. If the Naída CI M90 sound processor is exposed to moisture,

place the device in a drying system before next use. You should remove the sound processor from the

ear before using hair spray or applying cosmetics because these products may cause damage.

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 15⁰):

 The Naída CI M90 sound processor with the M Listening Check, an M Battery or M Zn-Air Battery

Pak, a M T-Mic, M Earhook, or M Acoustic Earhook, and a headpiece.

The following product configuration has an IP rating of 52 (protection against dust; protection against

failure due to dripping water when tilted up to 15⁰):

 The Naída CI M90 sound processor inside the M Waterproof Battery with a non-waterproof

headpiece.