hiiii i am shailesh from india. i have purches EXCEL SMT 350 VMC WITH FANUC 21MB CONTROL . I HAVE FACED ATC & APC FUNCTION. NO ANY MANUAL WITH MACHINE. ATC & APC OPERATE BY SRVO MOTER. BETA SERIES FANUC DRIVE MOUNT IN PANNEL . ATC & APC ZERO RETURN DATA LOST BECAUSE DRIVE BATTERY REPLACED. I WANT SETTING ZERO RETURN SETTING.ANYONE CAN HELP ME FOR THIS PROBLEM . DRIVE 7 SEGMENT DISPLAY SHOW 2 , U ,11 u.