Pioneer DVR-640H-S
Factory Reset Instructions
Reset the DVR-640H-S by turning it on, press STOP and Standby/On buttons on the front of the DVR-640H-S until it turns off. That resets the 640 to factory settings.
Reset the DVR-640H-S by turning it on, press STOP and Standby/On buttons on the front of the DVR-640H-S until it turns off. That resets the 640 to factory settings.