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12. Flight mode
Your CROS system operates in the 2.4 GHz–2.48 GHz
frequency range. When ying some operators require all
devices to be switched into ight mode. Entering ight
mode will not disable normal hearing aid functionality,
and will only disable the Bluetooth connectivity functions
including the wireless transmission of sound from the
CROS device to the hearing aid on the other ear.
12.1 Enter ight mode
To disable the wireless function and
enter ight mode in each device:
Open battery door.
Hold down the lower part of the
multi-function button on the CROS
device for 7 seconds while closing the
battery door.
In ight mode, your CROS system cannot connect directly
to your phone.
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