Need codes for a gE Jc024 universal remote for a

U get codes, if any, from the manufacturer of the remote.

Daphne, Try using auto code search feature, found on most universal remotes. Instructions should be in your manual. From one of the forums they suggested this. Place your tv on channel 3.
Point your GE universal remote at the converter box, press and hold the setup button until the red light remains lit, then press and release the DVR/AUX button. The red light will blink once.
Enter 0581 as the code, then press Power and the Converter box will turn on and your channels will pop right up.
Check the attached links,instruction,guides, read through them, as they have fixes to program remote. Good luck
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RC Controlling the Magnavox TB100MW9 Digital Analog Converter Page 2 of 2
https://answers.yahoo.com/question/index?qid=20130917205010AAu9Gpg
Remote Code Finder

To be honest I never got a universal remote to work Magnavox TB110MW9 DTV Digital to Analog Converter

U need to contact the manufacturer of your universal remote for the code if they have one. May be academic since most universal remotes only have the most basic of functions to control and the special keys that your converter box have might not be there.

Check out ebay for a good , used, cheap remote for the Magnavox.

No. it need a remote control to operate.

RCA's site list codes 25 and 006 for Magnavox cable boxes. Maybe one of these will work for the converter. The RCA site has a link so you can look up codes. Click on "find your remote control codes here" and pick your model number, then the type of device you want to control. If the codes I gave don't work, maybe try some of the other brands of cable box codes. You might find one that will work.