- 76 -3D Eyewear - Replacing batteryWhen the battery is running low, the indicator lamp flashes 5 times on turningthe 3D Eyewear on. In this case, early battery replacement is recommended.● Dispose of the old batteries as non-burnable rubbish, or in line with thewaste disposal regulations in your local area.1. Remove the battery cover using pen tip or screwdriver (minus -), etc.2. Replace the battery (coin-shaped lithium battery CR2025).● If difficulty, remove it with the tip of the driver.● Note the correct polarity (+ or -).3. Attach the battery cover.