Carefully remove and replace battery with a highquality alkaline cell. Replace the battery cover and reinstall the module by reversing the removal process, finally snapping into place.
Output Connection
The ¼� jack on all models provides an unbalanced, line-level connection to most any amplification system. Inserting a plug into this jack also turns on the preamp system. Please note that the tuner is functional without connecting a cable to this jack.