Skip if using Wiz. These instructions are for Optima only. 1. Select Optima+ settings Channels A, B, C, D enabled, Common reference: Internal connection 2. Electro-Cap only: Select sites T3 T4 C3 C4 This controls the sites recorded. Step 1 If using Optima 4 (not Optima+ 4) a jumper is required. Book traversal links for Step 1 (Optima) ‹ Connect Sensors to Amplifier Up Step 1 (Wiz) ›