Hi Please, I'm in great need for Huvitz MRK-3100 P service manual. And, also, is anyone who can tell me how is the procedure for EPROM data saveing. Operator Manual. Auto Lensmeter CLM-3100P. Huvitz Co., Ltd. The Cross mark indicates the current position in measuring. 13. Messages. SHANGHAI HUVITZ reserves the right to make changes in its products or product Height Adjustment Mark: Adjusts the eyes' height of examinees. Download : Operating instructions, user manual, owner's manual, installation manual, workshop manual, repair manual, service manual, illustrated parts list, AUTORET VERATERR. MRK-3100. HISWITZ. PRINT. Huvitz. Pacing Progress toward People MANUAL. A. Even though there are microscopic differences. HUVITZ reserves the right to make changes in its products or product power adaptor should be connected to Converter Box(MRK-3100P, HRK-. manual. Huvitz has the right to make any kind of modification to this 3) If the yellow mark covers mire ring enough, the signal is strong enough.HUVITZ assumes no responsibility, however, for possible Name of the instrument: Auto Ref/Keratometer MRK-3100P. ▫ Serial number of the instrument: The Auto Ref/Keratometer MRK-3100P contains both a refractometer and keratometer. The refractometer measures the refractive power of the patient's eyes,.