Please do not confuse this with other sellers' products. The specifications are different. This is a remote control for service personnel 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. The performance is improved compared to previous sales, making it easier to enter service mode. The service mode button can continuously emit light when held down. Use this 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. ⚠BD-HDS/ HDW43, 45, 50 are not compatible. Also, depending on the failure situation, it may not be possible to enter service mode. ※The remote control setting for this remote is '1'. If the recorder's remote control setting is set to anything other than '1', it will not operate. 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. Move the cursor with your regular AQUOS remote control. To return to the main screen from aging, press Red. ※Refer to the images for the roles of each button. ※Turning off the power after entering service mode will cause a forced shutdown. Scheduled recordings will no longer function, 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 fraudulent websites. #TsukiboshiAQUOSRepairParts