USER MANUAL - DUAL ZONE AUDIO MEDIA PLAYER EQUIPMENT ACT553 - ACT553/DAB+
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2.1. Replacement of the Battery of the Remote Control
To replace the remote control battery:
1. On the back of the remote control, press the tab on the side of the battery cover.
2. Slide and remove the cover.
3. Install a battery type CR2025 with positive (+) and negative (-) poles facing the proper position.
4. Push the cover into place. Make sure it is fully seated.