Alpine sec-8028 User Manual

1. Place the remote control transmitter on a

flat surface with the buttons facing down.
Remove the battery case screws using a
#1 sized Phillips screwdriver.

2. While holding the remote control with the

buttons facing down, gently remove the
bottom cover.

3. Remove the old battery and insert a new

12V alkaline battery. Make sure the
battery polarity is correct.

4. Replace the bottom cover.
5. Tighten the screws. Be careful not to

overtighten.