Insignia NS-BLSS02 User Manual page 8

4 Insert the threaded end of the glass pitcher into the pitcher collar, then
turn the pitcher collar clockwise to tighten.
5 Position the pitcher on the blender base by aligning two of the dots on
the pitcher collar with the dots on the blender base. The pitcher can be
positioned with the handle direction in four different ways.
8
Note
If the glass pitcher is not correctly placed on the blender base,
the blender motor will not operate.
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Insignia NS-BLSS02 Blender