Brand Searching: 1. Turn on your TV set, let your TV set be in the normal state play, and aim the remote control in the front of the TV. Find out the corresponding brand of your TV on this remote control, for example, SUPRA "MENU 2. Press and hold the corresponding brand button for 6 seconds, the indicator lamp will flash, when the volume symbol appears on your TV, release button at once, the indicator lamp will turn off, set to be finished Auto Searching Press and hold the SET button for about 6 seconds, till the indicator lamp lights, the remote controller will enter automatic search state please pay attention to your TV, see the volume symbol appears on your TV or not, if yes, please release "SET button at once, set finished Specifications Operable distance: More than 8 metres. Power requirements: DC 3V Battery type: Two size AAA batteries Compatible to Cignal CHA-S2S1TMS18 Compatible to Cignal CHA-S2S1TMS18 If you have any questions or problems, contact us directly for help. Before ordering this remote, please compare the buttons on this remote with the buttons on your original remote to make sure this remote will operate all the buttons you need.