You're looking for information on the Challenger CH 1000 owner's installation manual. Here are some useful posts that might help:
Press and release the learn button on the opener to enter programming mode, then press the desired button on your remote. Challenger Ch 1000 Owner Installation Manual
Connect the rail sections and slide the trolley onto the rail. You're looking for information on the Challenger CH
Check for obstructions or misaligned safety sensors. Check for obstructions or misaligned safety sensors
Ignition 1 output. This wire provides power to the ignition system during remote start.
The Challenger CH-1000 is a legacy chain-drive garage door opener known for its durability. While the original physical manual can be difficult to find through official channels due to its age, digital archives and community resources provide the necessary installation and programming steps. Key Installation and Technical Resources