Martin MAC 250 Krypton User Manual page 18

2 Remove the top cover of the fixture head using a flathead screwdriver to loosen the four quarter-turn
screws. The top and bottom cover look the same, but the top cover is found by checking if the text on the
back of the head is oriented correctly (top) or not (bottom) as illustrated here.
3 Turn the gobo wheel to access the desired position.
4 Remove the gobo holder from the gobo wheel.
5 Squeeze the ends of the retention spring together and remove. Push the gobo out from the back and
remove.
6 Orient the gobo as shown in "Gobo orientation" on page 19 and insert the replacement gobo into the holder.
Secure the gobo with the retention spring.
18 MAC 250 Krypton