Becker Mexico CC4325 Operating Manual page 32

A universal bracket for DIN installation slots is integrated into this car radio. An installation frame is not required. The unit is
inserted into the installation slot and secured using the slides supplied.
Complete the electrical connections. Then push the unit into the installation slot. Subsequently, push the slides into the apertures
in the front of the unit to the first detent position (illustration A). Now lock the radio by pulling both slides, as shown in illustration
B. Subsequently, remove the slides.
70