DIGITAL SIGN REQUIREMENTS AND ACCEPTANCE WORKSHEET Purpose: define the site, then verify a representative installation before expanding. Location, audience, viewing distance/angle and lighting: Message/layout sample, update interval and validity period: Display model/region/manual; technology, orientation and environment: Player/network/power path and maintenance access: Daily energy (Wh) = sum of each operating-state power (W) x hours. Illustrative example: 68 W x 12 h + 2.5 W x 12 h = 846 Wh/day; 25.38 kWh per 30 days. Values are fictional. Content owner; device identity; displayed revision confirmation: Network loss: required/observed screen and content age: Power return: required/observed sequence and recovery time: Expiry while online/offline; e-paper image-retention implications: Rollback trial, viewing acceptance and unresolved items: Yenra | Updated September 10, 2026 Article and explanation: https://yenra.com/digital-signs/ Source references (use exact equipment/material documents for actual work): https://www.eink.com/tech/detail/Benefits https://www.samsung.com/ca/business/smart-signage/uhd-4k-signage/crystal-uhd-signage-qmc-lh32qmcebgcxza/