View the manual for the Envivo 1426 here, for free. This manual comes under the category Speakers and has been rated by 1 people with an average of a 7.2. Connect the Digital Optical Audio cable to the optical output on the audio source and to the Optical Input on the speaker bar. 2. Press the Power button toHold down the Power button for 3 seconds and the speaker shuts down. C. Bluetooth Pairing. If the speaker has never been paired with a bluetooth device before, View and Download envivo 1451 user manual online. 1451 speakers pdf manual download. Solution Move your Bluetooth device closer to the speaker. 1. Do not drop, disassemble, open, crush, bend, deform, puncture, shred, · 2. Do not submerge the Wireless Outdoor Speaker Lantern into liquid. · 3. Keep the