These instructions are valid for models ZEN100, ZEN300, ZEN350, ZEN400, ZEN425, ZEN450, ZEN525, ZEN700, ZEN725 and ZENDTV.

Programming remotes with the "Code Search" button: Manually turn on the device you would like to program. Press and hold the [CODE SEARCH] button until the LED lights. Press the device button you would like to program. Enter the 3-digit number corresponding to your device. Try some of the buttons. If they do not work. Note that the VCR [REC] button must be pressed twice. How to use Code Search: Manually turn on the device you would like to program. Press and hold the [CODE SEARCH] button until the LED lights. Press the device button you would like to program. Cycle through codes by pressing the [POWER] button. If you skip over a code, press [CHANNEL DOWN] to skip backwards. When you find a code that works, press [MUTE] to save it. How to determine the code entered: Press and hold the [CODE SEARCH] button until the LED lights. Press the device button you would like to check. Press and release the [CODE SEARCH] button. The LED will blink off. To find the first digit, press the number keys from 0 through 9. When the LED blinks, that is the first digit. Repeat to find the second digit. When finding the third digit, the LED will remain off when the correct number is pressed. Programming remotes without the "Code Search" button: Manually turn on the device you would like to program. Press and hold the component button you would like to program until the LED lights. Enter the 3-digit code for your device using the [REW], [PLAY] and [FF] buttons. For instance, to enter the code "123" you would press the [REW] button once, the [PLAY] button twice and the [FF] button three times. Do not press any buttons for "0". Press [MUTE] to save. Using Code Search on remotes without a "Code Search" button: Manually turn on the device you would like to program. Press and hold the component button you would like to program until the LED lights. Cycle through codes by pressing the [CHANNEL UP] button. If you skip over a code, press [CHANNEL DOWN] to skip backwards. When you find a code that works, press [MUTE] to save it. How to determine the code entered on remotes without a "Code Search" button: Press and hold the component button you would like to check until the LED lights. Press the component button again. The LED should remain on. Press [REW] for the first digit. The LED will blink for a number of times that corresponds to the entered digit. Find the second and third digits by pressing [PLAY] and [FF] respectively.