[. . . ] There are two ways of doing so: direct control code entry or code search. If the UR 850 LCD does not understand you it displays ERROR and you can then repeat the entry. Then point the remote control at the device to be controlled while the remote control emits a different ON/OFF signal every 2 seconds. [. . . ] Then point the remote control at the device to be controlled while the remote control emits a different ON/OFF signal every 2 seconds. When your device reacts, press a few buttons to determine whether you have found a suitable code. If the code you have found does work at all or not properly, press EXIT and DEV SEARCH appears again. Please note: - You can reverse the search direction with the or button if you have reacted too slowly to a response from the device. To prepare code entry, briefly press the SET button in the bottom right corner of the keypad, then the required device button, e. Press a few buttons to determine whether you have found a suitable code. When the code corresponds to your device, press OK and the setting for this device is completed. Backlight To save battery capacity you can switch off the LCD illumination. To do so, proceed as follows: 1 Press and hold SET for 3 seconds, then set CONFIGURE with the or button. Adjusting the contrast You can adjust the contrast to improve readability: 1 Press and hold SET for 3 seconds, then set CONFIGURE with the or button. Default settings You can reset your remote control to its factory default setting, e. - This function is recommended only in the event of your remote control malfunctioning seriously. For technical reasons, the LCD panel becomes almost illegible after a reset. You can make it legible again by greatly reducing the contrast as described in the section Adjusting the contrast. [. . . ] For technical reasons, the LCD panel becomes almost illegible after a reset. You can make it legible again by greatly reducing the contrast as described in the section Adjusting the contrast. 1 Press and hold SET for 3 seconds, then set CONFIGURE with the or button. [. . . ]