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General| Display | LCD |
|---|---|
| Printer | Built-in thermal printer |
| Type | Auto Ref/Keratometer |
| Measurement Range (Sphere) | -25D to +22D |
| Measurement Range (Keratometry) | 5D to 65D |
| Axis Range | 0° to 180° |
| Vertex Distance | 12 mm |
| Pupil Diameter Measurement Range | 2.0 to 8.0 mm |
| PD Measurement Range | 45 to 85mm |
| Corneal Curvature Radius | 5.0 to 10.0 mm |
| Measurement Mode | Auto |
| Power Supply | AC100 to 240V, 50/60Hz |
Troubleshooting for abnormal monitor display or no display.
Troubleshooting guide for "Err" message after power on.
Troubleshooting for AR measurement failing to start.
Troubleshooting for shifted SPH value in obtained measurements.
Troubleshooting for instrument's failure to recognize left and right sides.
Troubleshooting for non-functional auto-tracking and auto-shot.
Troubleshooting for "Err IF" (Interface Error) message.
Procedure for replacing the PC1 (MAIN) circuit board.
Procedure for replacing the measuring unit for various models.
Calibrating CCD camera lens focus for accurate measurements.
Procedure for positioning the target for calibration.
Sensor calibration by adjusting VR1 and VR2 on the PC6 board.
Adjusting the SPH correction range for measurements.
Performing KM auto-calibration for ARK-700 series.
Procedure for setting EEPROM data.
Procedure for setting Sensor Offset (SO).
Performing tracking auto-calibration for specific models.
Procedures for AR adjustment modes.
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