Sanyo DSU21B - Manual (Page 17)

EN-15
Replacing the Battery
For the first time use:
Remove the transparent insulation tape by pulling it before use.
For battery change:
1. Remove the battery holder.
2. Remove the old Lithium coin cell and install new one (CR2025). Ensure
that the side with the mark "+" is up.
3. Push the battery holder back into the remote control until you feel a
click.
„
Keep the battery out of the reach of children. There is a danger of death by accidentally
swallowing the battery.
„
Do not recharge the used battery or expose the battery to fire or water.
„
Do not dispose of the used battery along with household waste. Dispose of used
batteries according to local regulations.
„
Danger of explosion may happen if batteries are incorrectly replaced. Replace only with
the same type recommended by the manufacturer.