You may damage the TPU if you try to use it without removing the screw from the hole labeled CLAMP.
Removing the Shipping Screw
To prevent damage during shipping, a shipping screw is attached to the TPU to secure its lamp assembly. You must remove this screw before using the TPU.
1Turn the TPU so the glass side faces up.
2Use a Phillips head (cross head) screwdriver to remove the shipping screw from the hole labeled CLAMP, as shown below.
3Install the screw in the storage hole labeled STOCK.