SONNET 2
CI and EAS Audio Processor
These support guides will help you handle and care for the SONNET 2 & SONNET 2 EAS Audio Processor.
Activating the Flight Mode
Activate the flight mode whenever you board a flight or enter an environment where RF transmissions are prohibited.
![SONNET 2 Flight Mode](https://sfc02.cdn.medel.com/images/librariesprovider3/support/product-support/sonnet-2/sonnet2_trubleshooting_img_buenoso_cs.jpg?auto=format&sfvrsn=d2b09045_0&ch=Width%2cDPR)
Switch off the audio processor and wait 2 seconds.
Switch on the audio processor and wait 2 seconds.
Repeat steps 1 and 2 three more times. A brief red blinking of the indicator light confirms successful activation.
Deactivating the Flight Mode
1. Switch off the audio processor and wait 2 seconds.
2. Switch on the audio processor.
![Book-Icon Book-Icon](https://sfc01.cdn.medel.com/images/default-source/Pages/support/sonnet/book-icon.png?auto=format&sfvrsn=d1115445_2)
Refer to your user manual for more information.