: Press and hold the LOCK button for 3 seconds to prevent accidental setting changes. Repeat to unlock.
Once the device "beeps" or turns on/off, immediately release the SET button. Step 5: Press OK or Enter to lock in the code. 2. Manual Code Entry (For TV/DVD) manual controle universal articco th-msur-40
Press and hold the SET button for approximately 10 seconds until the code numbers on the LCD begin to flash and climb. : Press and hold the LOCK button for
Note: These are aggregated from multiple manual revisions. Test each systematically. manual controle universal articco th-msur-40
If you cannot find your specific manual, you can often find digital copies on platforms like Scribd .