This is a remote control for service technicians to access the diagnostic menu of Sharp Aquos BD recorders. Requires 2 AAA batteries (sold separately). Although unused, there are minor scratches due to manufacturing variations. Performance has been improved compared to previous models, making it easier to enter service mode. The service mode button can continuously emit light when held down. Use for HDD replacement and various inspections. ● Compatible models: BD-T○○, BD-W○○, BD-S○○, BD-H○○, BD-HW○○, SP1000, NW, NS, NT〇〇, 2B-C○○, and others (○○ represents numbers). Also usable with some high-definition recorders DV〇〇 from before 2010. Some models may not be compatible. ⚠ Not compatible with BD-HDS/ HDW43, 45, 50. Also, service mode may not be accessible depending on the fault condition. ※ The remote control setting for this remote is '1'. It will not operate if the recorder's remote control setting is set to anything other than '1'. Be sure to reset the recorder's remote control setting to '1' before use. ▼ How to use: ① Using your regular AQUOS remote control, go to 'Home Menu' → 'Settings' → 'System Operation Test', ② Press the power button or the bottom AV button on this remote control to display the service mode screen. ③ Then, follow the instructions on the screen. Red → Aging, Yellow → BD drive inspection Use your regular AQUOS remote control to move the cursor. To return to the main screen from aging, press Red. ※ See the image for the function of each button. ※ Turning off the power after entering service mode will cause a forced shutdown. Scheduled recordings will be disabled, and you will need to turn the power back on. ⚠ HDD replacement requires special knowledge and skills. Please understand that we cannot accept claims due to your own operational errors. ※ We apologize, but we will refrain from future transactions with those who complain without reading the product description. No price reduction. Beware of unauthorized reproduction by scam sites. #Tsukiboshi AQUOS repair parts