SOMMER 4020 TX-03-868-4 This remote is a 4-channel rolling code remote control designed for your Sommer system. The handheld transmitter features a compact and ergonomic design, along with straightforward setup and operation. With four channels, it can be programmed to operate up to four different Sommer drives. It is a high-quality, durable replacement remote that includes a protective sliding key cover. This remote is compatible with your existing Sommer receiver unit, functioning just like the original. Complete and easy programming instructions are included. Compatible with: SOMMER 4026 TX03-868-2 SOMMER 4020 TX03-868-4 SOMMER 4031 SOMMER 4025 SOMMER 4011 SOMMER 4035 APERTO 4025 APERTO 4021 4020V000 4025V000 4026V000 4031V000 4011V000 4035V002 Important: Not compatible with Sommer 868 MHz SOMloq2 (Pearl, Pearl Twin, Pearl Vibe handheld transmitters) Includes: - Remote Control - Battery - Keychain - English Manual Programming: The remote performs the same function as your original remote. It must be programmed with the original receiver following the original manual instructions. 1. Locate the Learn / Code Set button on the motor. This is typically located under the lamp cover or on the back of the motor. 2. Press the Learn / Code Set button once and release. A light should illuminate. 3. Press the desired button on the transmitter once. The light will turn off. 4. Press the same remote button again. The light on the motor will flash and then turn off, indicating successful programming. 5. Test the remote operation.