| Pixel pitch and resolution | A P10 display has a nominal 10 mm distance between adjacent pixels. With a square pixel layout, this is approximately 100 × 100 pixels, or 10,000 pixels per square metre. | Product datasheet, cabinet drawing, and a sample showing the specified pixel pitch. | Confirms that the offered panel matches the required viewing detail and installation size. |
| Brightness and viewing conditions | Compare stated brightness, dimming range, viewing angle, and performance under the project’s indoor or outdoor lighting conditions. | Datasheet with measurement conditions and a powered sample viewed at the intended operating settings. | Brightness needs depend on ambient light, viewing distance, and whether the display is indoors or outdoors. |
| Color and image consistency | Check color uniformity, grayscale performance, calibration options, and consistency between cabinets. | Sample video or live demonstration using the same receiving-card and control setup proposed for the project. | Visible differences between panels can affect the appearance of a large display. |
| Outdoor protection | For outdoor use, confirm the specified ingress-protection rating separately for the front and rear, along with cabinet sealing and drainage design. | Datasheet and applicable test documentation. IEC 60529 defines the IP code classification system. | An IP rating describes protection against specified ingress conditions; it does not by itself establish suitability for every climate or installation. |
| Power and thermal design | Compare rated and maximum power consumption, power-supply configuration, heat management, and operating-temperature limits. | Electrical specifications, wiring diagram, and operating or maintenance instructions. | These details help determine electrical capacity, running costs, and installation requirements. |
| Cabinet construction and maintenance | Review cabinet material, dimensions, weight, mounting method, access for servicing, and availability of replaceable modules or components. | Cabinet drawings, installation manual, and a physical inspection of a representative unit. | Service access and mechanical design affect installation time and the effort needed for repairs. |
| Quality control and traceability | Ask how incoming components, assembly, aging tests, and final inspection are controlled and recorded. | Quality procedures, sample inspection records, and clarification of what any quality-system certificate covers. | Documented processes make production and inspection requirements easier to verify; a certificate alone does not prove the performance of a specific shipment. |
| Safety and market compliance | Identify the destination market and check which electrical-safety, EMC, and other regulatory requirements apply to the complete product. | Current reports or declarations that match the offered model and intended market. | Requirements vary by market and product configuration. Verify document scope and model details rather than relying on a generic logo or certificate image. |
| Warranty and spare parts | Compare warranty duration, covered parts, exclusions, claim process, repair responsibilities, and the availability and cost of spare modules and power supplies. | Written warranty terms and a project-specific spare-parts list with lead times. | Clear terms help establish the expected support process after delivery. Warranty coverage should be confirmed in the contract. |
| Delivery and project support | Confirm production lead time, packing method, shipping responsibilities, installation guidance, and response arrangements for technical questions. | Written schedule, packing details, shipping terms, and named support contacts. | Well-defined responsibilities reduce uncertainty during production, transport, installation, and commissioning. |
| Commercial comparability | Compare quotations using the same scope: panels, control system, receiving cards, cables, spare parts, packaging, and any commissioning services. | Itemized quotation with model specifications, quantities, exclusions, payment terms, and delivery terms. | A low headline price may not include the same components or services as another quotation. |