Brand: HUAWEI
Category: Other
Document Type: Installation Guide
Language: EN
Brand: HUAWEI
Category: Other
Document Type: Installation Guide
Language: EN
Uploaded: Nov. 21, 2025, 6:09 p.m.
| Symptom | Recommended Solution |
|---|---|
| The lower middle part of the image is blurry. The lens is focused on other positions. | Focus again. Adjust focus via PZT Control dialog. Click ⌄ and ⌅ to adjust focus. |
| The static object is clear but the moving object is blurred. | Decrease shutter limit. Settings > Video/Audio/Image > Image > Exposure. Decrease Shutter limit (s). Recommended values: 1/250 (for < 60 km/h), 1/350 (for > 60 km/h). |
| Both the static object and the moving object are blurred. | Lower spatial noise reduction. Settings > Video/Audio/Image > Image > Image Enhancement. Set Denoising to Expert mode and decrease Spatial denoising level. Increase sharpness. Settings > Video/Audio/Image > Image > Image Adjustment. Increase Sharpness value. |
| Granular noise is displayed on vehicle or license plate images. | Enhance noise reduction strength. Settings > Video/Audio/Image > Image > Image Enhancement. Set Denoising to Common mode and increase Denoising level, or Expert mode and increase Spatial denoising level. Reduce sharpness: Settings > Video/Audio/Image > Image > Image Adjustment. Decrease Sharpness value. |
| Trailing occurs when a vehicle moves. | Enable expert mode for noise reduction and lower temporal noise reduction level. Settings > Video/Audio/Image > Image > Image Enhancement. Set Denoising to Expert mode. Decrease Temporal denoising level. |
| The image captured in hazy days is blurry. | Enable defogging function. Settings > Video/Audio/Image > Image > Image Enhancement. Set Defogging to Auto or Manual. Increase gamma correction strength: Settings > Video/Audio/Image > Image > Image Enhancement. Increase Gamma Correction value. |
| The image captured in sunny days appears white. | Reduce exposure compensation. Settings > Video/Audio/Image > Image > Exposure. Decrease Exposure compensation coefficient. Increase contrast: Settings > Video/Audio/Image > Image > Image Adjustment. Increase Contrast value. Increase saturation: Settings > Video/Audio/Image > Image > Image Adjustment. Increase Saturation value. |
| The license plate is too dark in backlight conditions. | Enable license plate brightness compensation. Settings > Video/Audio/Image > Image > Exposure > Live Video. Set General plate brightness compensation mode to Enable. Increase exposure compensation coefficient: Settings > Video/Audio/Image > Image > Exposure. Increase Exposure compensation coefficient. |
| The license plate is too bright due to rear vehicle lights or strong sunlight. | Enable license plate brightness compensation. Settings > Video/Audio/Image > Image > Exposure > Live Video. Set General plate brightness compensation mode to Enable. Decrease exposure compensation coefficient: Settings > Video/Audio/Image > Image > Exposure. Decrease Exposure compensation coefficient. |
| The overall image brightness is normal or relatively dark and only the license plate is overexposed. | Reduce illuminator brightness. Settings > Snapshot > Illuminator Settings. Decrease brightness for IO:1, IO:2, and IO:3. Click Save. |
| The overall image is too bright. | Decrease gain limit. Settings > Video/Audio/Image > Image > Exposure. Decrease Gain limit. Decrease exposure compensation coefficient. Settings > Video/Audio/Image > Image > Exposure. Decrease Exposure compensation coefficient. |
| The overall image brightness is normal and only the license plate is too dark. | Increase illuminator brightness. Settings > Snapshot > Illuminator Settings. Increase brightness for IO:1, IO:2, and IO:3. Click Save. |