You're looking for the complete list of Jensen universal remote codes, specifically for the JER-422 model. Here's what I found:
by pressing the Power button. If the device responds, the programming is complete. Troubleshooting: "Code Scan" Method jensen universal remote codes jer 422
Press and (e.g., TV , VCR , CABLE ) until the indicator light turns on (about 3 seconds). You're looking for the complete list of Jensen
Now, grab your Jensen JER 422, pick a code, and take control of your remote chaos. Good luck 0056 0060
immediately. The light will stay on to indicate the scan is active.