Maximum Number of Item Resources per Layout

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Affected Roles: Administrator

Related Digital Watchdog VMS Apps: DW Spectrum

Last Edit: May 15, 2025

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Modifying Maximum Resource Limit

The DW Spectrum Client (desktop) supports the display of up to 64 resources per layout. To ensure optimal performance and a seamless user experience, the Client leverages “Adaptive Scale” technology, which automatically adjusts the resolution of displayed resources. This dynamic scaling helps to maintain smooth operation while significantly reducing CPU usage.

This article will outline how to modify the maximum number of resources that can be displayed per layout.

 

**IMPORTANT: The default maximum number of resources per layout is preconfigured within the software. Administrators can manually modify this limit by adjusting the system files of DW Spectrum. However, it is generally advised to keep this setting unchanged to avoid excessive CPU use or potential performance degradation.

 

Adjusting the Resource Limit

Windows OS

To modify the item resource limit per layout on a Windows System:

1. Open File Explorer and navigate to:

 

2. Locate the file named “maxSceneVideoItems”.
   Right-click and select Open with > Notepad (or any equivalent text editor).
   1. If the file does not exist, right-click in the folder and select New > Text Document.
   2. Name the file “maxSceneVideoItems”.

 

3. In the text file, modify the value to your preferred number of resources (e.g., 70) and save the file.

 

4. Remove the .txt extension.
   1. Right-click on the file and select “Rename”.
   2. Change the file name to the following:

4. 3. If prompted with a warning about changing the file extension, select “Yes” to proceed.
5. Restart the DW Spectrum Client to apply the changes.

 

Ubuntu Linux OS

To modify the item resource limit per layout on an Ubuntu System:

1. Open Terminal (CTRL+ALT+T) and navigate to:

 

2. Check if the maxSceneVideoItems file exists with the command:

 

3. Open the file with a text editor and modify the value “nano maxSceneVideoItems” to your preferred number of resources (e.g., 70).
   Save the changes with the hotkeys “CTRL+O” and “CTRL+X” to exit.
   1. If the file does not exist, create the file with the following command and modify it with your preferred number of resources.

 

4. If prompted for authentication, enter the OS administrator password (DW Blackjack default: Dw5pectrum).

 

5. Restart the DW Spectrum Client to apply the changes.

 

For MacOS

To modify the item resource limit per layout on a macOS System:

1. Open Finder and navigate to Go > Go to Folder.
2. Enter the following path and press Enter:

 

3. Look for a file named “maxSceneVideoItems”.

 

4. Open the file with a text editor and modify the value “nano maxSceneVideoItems” to your preferred number of resources (e.g., 70).
   Save the changes to the file.
   1. If the file does not exist, create the file with the following command and modify it with your preferred number of resources.

 

6. Ensure that the file has no extensions (e.g., .txt).
   1. If it has a .txt extension, right-click on the file and select “Rename”.
   2. Change the file name to the following:

1. 3. If prompted with a warning about changing the file extension, confirm to proceed.

 

5. Restart the DW Spectrum Client to apply the changes.

 

 

 

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Rev: 06/25                              Copyright © DW. All rights reserved. Specifications and pricing subject to change without notice.