Suitable for KA300, KA500, KA600 linear encoders, as well as all models of domestic linear encoders and magnetic linear encoders manufactured in China. 3 Wiring & Parameter Settings. 4 Maintenance & Troubleshooting. With CE certification, you can trust in the safety and quality of this high-concerned chemical-free product. This DRO operates without batteries, reducing maintenance costs and eliminating the need for frequent replacements. Designed for universal compatibility, this DRO can be easily integrated into a wide range of machinery. High Bright Red LED Display. Featuring a high-brightness red LED display, this DRO offers clear visibility in various lighting conditions. The device boasts a stable anti-interference signal, ensuring accurate readings even in noisy environments.