time is displayed.When servicing, check the timer display and use it as informationfor fault diagnosis.At the time of repair and replacement of these components, makesure to check the operation time and reset the timer afterreplacement.Operation time of the replacement parts (spindle motor and laser)is the valuable information as actual data for future productquality.Please save the records and supply information to us.2. Servo process display functionThis additional function is intended to improve efficiency of faultdiagnosis, especially for the player's startup failure, incombination with the learned value data of ADSC internal RAM.3. ADSC internal RAM display functionThe function is to display the internal RAM data of ADSC servoprocessor.The RAM data are the learned values of drive servo, memorizingthose concerning focus and tracking, as well as data slice andequalizer.* This function is also a newly developed service mode. Its fullutilization is still under study.4. Others- Increased number of last errors stored1event 20 eventsFocus drive value display function9.4. Overview of each function9.4.1. Cumulative operation time display1. Operation/displayKey operations are as follows.Laser operation time ............. In STOP mode, main unit PAUSE+FWD-SKIP+ remote controller [5]21