Alpine HCE-C300R Owners Manual - Page 38

• Object Detection Function Symptom The object warning is not displayed and/or the alarm does not sound. The alarm does not sound. Detection performance is poor. The alarm got louder or softer. The device detects motionless objects. Cause/Solution The reverse line is not connected. Refer to the owner's manual for the connected product and connect the reverse line. The camera is set to the Alarm volume adjusting mode or Detection sensitivity adjusting mode. Return to normal mode referring to "Adjusting Alarm Volume" (page 14) or "Adjusting Detection Sensitivity" (page 15). The camera lens might be dirty. If the camera lens is dirty, gently wipe it with a damp cloth. You might be accidentally changing the alarm volume. Refer to "Adjusting Alarm Volume" (page 16) and set the volume to a suitable level. You might have accidentally set the sensitivity level to "high." Refer to "Adjusting Detection Sensitivity" (page 16) and set the sensitivity to a suitable level. • Others Symptom Cause/Solution There are noises on the radio. If there are noises on the radio, keep the camera cables and the video cables away from the wire harness, the radio antenna, and the antenna cables of the vehicle. If there is a serious symptom, for example, the distance guidance marks deviates significantly from the actual distance, stop using this system and contact your ALPINE dealer. 36-EN