OPUS 2
Audio Processor
These support guides will help you handle and care for your OPUS 2 Audio Processor.
Mini Battery Pack
Overview
The Mini Battery Pack offers up to 37 hours of use with a single AAA battery and is worn off the ear. It can also be used with a rechargeable DaCapo PowerPack.
![Sonnet-MiniBatteryPack-Overview Sonnet-MiniBatteryPack-Overview](https://sfc01.cdn.medel.com/images/default-source/pages/support/opus2/tb-o2-finetuner-copy-4_ed91a442-e48d-4a30-b8c5-668807977dd5.jpg?auto=format&sfvrsn=37bef045_4)
3-Pin FM Port
Microphone Test Device Port (CS 44)
Connector
Safety Lock (Optional)
Connecting Piece
ON/OFF Switch and Battery Compartment Lock
Battery Compartment for DaCapo PowePack or AAA Battery
Basic Assembly
Follow these instructions to start using the Mini Battery Pack.
![OPUS2_attachMiniBatteryPack OPUS2_attachMiniBatteryPack](https://sfc01.cdn.medel.com/images/default-source/pages/support/opus2/o2-xs-gy_cam9-psd-copy-15_e311cd94-420e-4f29-8b0f-6d701121bf38.jpg?auto=format&sfvrsn=fabdf045_2)
Attach the connector to the control unit and secure both components using the connecting pin.
![MiniBatteryPack-ConnectorCable MiniBatteryPack-ConnectorCable](https://sfc01.cdn.medel.com/images/default-source/Pages/support/sonnet/minibatterypack-connectorcable.jpg?auto=format&sfvrsn=14135445_2)
Connect the connector cable to the Mini Battery Pack. Your OPUS 2 is now ready to use.
![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.