Daktronics Digital Billboard Photocell, Light Sensor, and Web Bedienungsanleitung PDF herunterladen

Quick Guide: Digital Billboard Photocell, Light Sensor, and

Webcam Cleaning Procedures 1 of 3

PO Box 5128 331 32

Ave, Brookings, SD 57006-5128

tel: 605-697-4036 or 800-325-8766 fax: 605-697-4700

www.daktronics.com

DD1509618 Rev 1

18 April 2013

Photocell Cleaning

On older displays, photocells ensure the display is at the appropriate brightness level for the time of the

day and for the lighting conditions. Ensuring the photocell is clean and functioning properly is crucial for

display performance and also ensures the display complies with local sign codes.

Photocell Inspection

At each visit to the sign, inspect the photocell for excess dirt. Also inspect the flat areas between the

photocell plates as this is where dirt is likely to accumulate. Refer to Figure 1 for an example of a dirty

photocell.

Required Equipment

 Dish Soap

 Water

 Clean Rags

 Dry Towel

 Phillips Head Screwdriver

 Pliers

 Alcohol or Lens Cleaning Wipe

Photocell Cleaning

1. Disconnect the photocell cable from the

connector on the back of the display.

2. Remove the screws used to mount the

photocell to the display.

3. Use pliers to remove the four plate

assembly nuts. Refer to Figure 2.

4. Starting from the bottom of the photocell

assembly, carefully remove the plates

from the plate assembly bolts. Set the

plates in the order they were removed so

the photocell can be reassembled in the

same order. Refer to Figure 2.

5. Using soapy water and a rag, wipe all the

dirt and debris from the plate surfaces.

Use extreme caution not to damage the

Sensor PCB when working on the plate

that contains the PCB. Refer to Figure 2.

6. Rinse the clean plates off with clean

water.

7. Carefully wipe off the photocell eye with

an alcohol wipe or a lens cleaning wipe.

Refer to Figure 3.

Figure 1: Dirty Photocell

Figure 2: Photocell Assembly

1 2 3

Inhaltsverzeichnis

Seite 1 - Photocell Cleaning

Quick Guide: Digital Billboard Photocell, Light Sensor, and Webcam Cleaning Procedures 1 of 3 PO Box 5128 331 32nd Ave, Brookings, SD 57006-5128 tel

Seite 2 - Cleaning

Quick Guide: Digital Billboard Photocell, Light Sensor, and Webcam Cleaning Procedures 2 of 3 PO Box 5128 331 32nd Ave, Brookings, SD 57006-5128 tel

Seite 3 - Panasonic Webcam Cleaning

Quick Guide: Digital Billboard Photocell, Light Sensor, and Webcam Cleaning Procedures 3 of 3 PO Box 5128 331 32nd Ave, Brookings, SD 57006-5128 tel

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Daktronics Digital Billboard Photocell, Light Sensor, and Web Bedienungsanleitung

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