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Viewing Distance for 4.0" LEDs are 100 ft. Model Zones Grid Rows Grid Col. Time Disp. Label Disp. Max. Pages Inches QTY on Hand Time Zone Spec Sheet Buy a Multi-Color LED Clock Online or order through GSA Advantage. GSA orders please call with zone labels H W 6612U 4 2 2 4.0" 2.0" 6 24.25 40.25 0 6612M 6 2 3 4.0" 2.0" 4 24.25 60.25 0 6612N 8 2 4 4.0" 2.0" 3 24.25 80.25 0 6612O 10 2 5 4.0" 2.0" 2 24.25 99.25 0 6612AF 6 3 2 4.0" 2.0" 4 36.25 40.25 0 6612P 9 3 3 4.0" 2.0" 2 36.25 60.25 0 6612Q 12 3 4 4.0" 2.0" 2 36.25 80.25 0 6612R 15 3 5 4.0" 2.0" 1 36.25 99.25 0 6612Z 8 4 2 4.0" 2.0" 3 48.25 40.25 0 6612AC 10 5 2 4.0" 2.0" 2 60.25 40.25 0 BRG Time Zone Clocks can be configured to display the following special information when specified at the time of purchase. Not all features can be included in every clock due to memory constraints or operational conflicts: ATO Military Day Code (alpha displays only) ISO8601 Work Week (alpha and/or numeric displays) Julian Date (day of the year - alpha and/or numeric displays) Week of the Year (alpha displays only) Sunrise and/or Sunset Time (alpha and/or numeric displays) Military Shipping Code A-Z, no I or O (alpha displays only) Call 866-252-2704 or 316-530-8854 Download Spec Sheet Additional Videos Model Number Number of Zones Click on button to launch All Models Programmable Time Zone Page Flipping Example 6612B 8 Zone Clock with 1.8 " red LEDs for time, .2" green dot matrix LEDs for the zone labels 6612C 10 Zone Clock with blue 1.8 " LEDs for time, red LED timer, blue 1.2" dot matrix LEDs for the zone labels 6612H 8 Zone Clock with 2.5" LEDs for time, green 1.2" dot matrix LEDs for the zone labels 6612I 10 Zone Clock with 2.5" blue LEDs for time, 1.2" blue dot matrix LEDs for the zone labels. 6612I 10 Zone Clock with 2.5" LEDs for time, yellow 1.2" dot matrix LEDs for the zone labels & green 1.2" dot matrix LEDs for the date. 6612S 4 Zone Clock with 1.8 " LEDs for time, green 1.2" dot matrix LEDs for the zone labels Color Options Photo Below is a 6610L with user changeable multi-color LEDs Change to red, blue, green, yellow, magenta, cyan or white any time you want

Dot matrix LCD screens and segment LCD screens are two different types of LCD (liquid crystal display) technologies used in electronic devices. Here’s a we will discuss their differences from different aspects.Display Method:Dot Matrix LCD: Dot matrix LCD screens are capable of displaying alphanumeric characters, symbols, and graphical content by arranging a matrix of tiny dots. Each dot, known as a pixel, can be individually controlled to create different patterns and images.Segment LCD: Segment LCD screens display characters, symbols, or numbers by dividing the screen into different segments. Each segment represents a specific part of a character or symbol, such as lines, curves, or dots.Resolution:Dot Matrix LCD: Since dot matrix LCD screens use a matrix of individual pixels, they offer higher resolution and can display more detailed graphics and text.Segment LCD: Segment LCD screens have lower resolution compared to dot matrix LCD screens. They are primarily used for displaying simple characters or symbols, such as numbers or basic icons.Flexibility:Dot Matrix LCD: Dot matrix LCD screens are more flexible in terms of content and layout. They can display various fonts, sizes, and graphical elements. This flexibility allows for more complex user interfaces and graphics.Segment LCD: Segment LCD screens have predefined segments, limiting the display to specific characters or symbols. They are suitable for applications that require simple and standardized information, such as digital watches or calculators.Cost:Dot Matrix LCD: Due to their higher resolution and increased flexibility, dot matrix LCD screens are generally more expensive to produce compared to segment LCD screens.Segment LCD: Segment LCD screens are relatively simpler in design and have fewer components, making them more cost-effective.Power Consumption:Dot Matrix LCD: Dot matrix LCD screens typically require more power to operate due to their higher resolution and the need to control individual pixels.Segment LCD: Segment LCD screens consume less power compared to dot matrix LCD screens, as they have fewer segments to control.Overall, dot matrix LCD screens offer higher resolution, greater flexibility, and the ability to display more complex graphics. On the other hand, segment LCD screens are simpler, cost-effective, and suitable for applications that require basic character or symbol display.

Skip to content Description What are Dot Matrix Marking Services? A Dot Matrix is a simple grid pattern of dots used to create a number or letter as one would see on an old score board or an old computer screen. The key to legibility and definition is the density of dots. However, density can present problems in Low Stress Marking applications. The key to maintaining Low Stress while sustaining legibility is by balancing dot frequency with character size. Advantages Pros of Dot Matrix Marking Services Very legible marks in clear fonts to eliminate confusion in marked textVery little pressure is applied on the part. Too much pressure on a metal part could result in a “stress riser” or a concentration of stress that could lead to cracking. Dot Matrix Marking reduces this risk Features Features of Dot Matrix Marking Services Capability to produce a Dot Matrix Mark via multiple marking methods: Laser Etching, Rotary Engraving, Vibro Peening, or Electrochemical EtchingAbility to mark flats, rounds and irregular shaped partsShallow Marking Depths (under 0.003” deep)Can mark parts up to 24” x 48”Typical marks include: Serial Numbers, Part Numbers, Cage Codes, Manufacturing Numbers, and Date Codesi. Common Part Marking Specifications for Dot Matrix Marking include Spec SAE AS478, Spec MIL-STD-130, Boeing Spec BAC5307, Parker Aerospace Spec BPS 4106, General Electric Spec P23TF3, & Sikorsky Spec SS8798 Dot Matrix Marking Services Dot Matrix Marking Need to discuss your custom part marking job? Complete our simple Request For Quotation form and a Sales Professional

Link to understand how to manually find the inverse of a matrix. To understand the matrix dot product, check out this article.Solving a System of Linear Equations with NumpyFrom the previous section, we know that to solve a system of linear equations, we need to perform two operations: matrix inversion and a matrix dot product. The Numpy library from Python supports both the operations. If you have not already installed the Numpy library, you can do with the following pip command:$ pip install numpyLet's now see how to solve a system of linear equations with the Numpy library.Using the inv() and dot() MethodsFirst, we will find inverse of matrix A that we defined in the previous section.Let's first create the matrix A in Python. To create a matrix, the array method of the Numpy module can be used. A matrix can be considered as a list of lists where each list represents a row.In the following script we create a list named m_list, which further contains two lists: [4,3] and [-5,9]. These lists are the two rows in the matrix A. To create the matrix A with Numpy, the m_list is passed to the array method as shown below:import numpy as npm_list = [[4, 3], [-5, 9]]A = np.array(m_list)To find the inverse of a matrix, the matrix is passed to the linalg.inv() method of the Numpy module:inv_A = np.linalg.inv(A)print(inv_A)The next step is to find the dot product between the inverse of matrix A, and the matrix B. It is important to mention that matrix dot product is only possible between the matrices if the inner dimensions of the matrices are equal i.e. the number of columns of the left matrix must match the number of rows in the right matrix.To find the dot product with the Numpy library, the linalg.dot()