Instructions for Application

• Make sure you are using the correct size.  If head circumference measures 56 cm or greater, use the large size. If measurement is less than 56 cm, use the small size. (If head circumference measures less than 56 cm but the patient has a lot of hair, you may still need the large size.)
• Explain the procedure to the patient.
• Place “Mark Easy 10-20” on patient’s head. Secure it by aligning the lowest grommets on coronal band against tragus points on both sides.  Adjust using the Velcro fit adjustment pieces on each side and the Velcro fastener.
• Pull gently on both ends of sagital band.  Align last grommets on each end to nasion and inion, respectively. Secure nasion marker on patients face with a piece of medical adhesive tape.
• Adjust frontal and parietal bands as needed for proper positioning, and secure both Velcro fit adjusters and the Velcro fastener.
• Mark electrode locations designated by grommets on “Mark Easy 10-20” using a marker normally used in your laboratory or clinic. (For most accurate results, make a cross mark (+) for each location without angling pen.)
• Apply electrodes and perform procedure.  Discard unit after use.
• (Note: Once applied, the “Mark Easy 10-20” will stay in place in most cases. In rare instances, it may slip at the inion. If this happens, have the patient place right fingers over inion marker and hold.  This will prevent slipping. Then mark scalp as usual.)