D770 is an RCA remote WITHOUT a code search button. Here is a pdf webpage under the rca.com website: http://download.ethomson.com/English/RCA/ACCESSORIES/IB/D770.pdf ; this is the instruction manual...
Programming RCA model RCR660 (no code search button).
While following these instructions, keep the following in mind:
device = the component you wish to control with your remote (TV, DVD, VCR, etc.)...
You can go RCA remote codes at RCA.comm. or something like that.Match you model or part number or picture.
Answer.
1. Manually turn on the component you want the remote to control.
2....
This is what worked for me:
Manual Code Search and Entry
1. Manually turn on the TV 2. Press and hold the TV button The illuminated ON•OFF key turns on and remains on. 3. While holding the...