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TV Metrics & Definitions

Energy Performance

On Mode Power Consumption [W]
Amount of power required to operate the product, measured in the active-use “On” mode.

On Mode Average Power per Screen Size [W/cm2]
TV efficiency, defined as the average amount of power consumed per square centimeter of the screen size. A lower value means higher efficiency.

Maximum On Mode Power [W]
Maximum amount of power required to operate the product when the product’s volume and brightness are set at maximum levels.

Standby Mode Power Consumption [W]
Amount of power required when the product is on standby mode (when it is plugged in but turned off).

Nominal Conditions
Measured according to factory default settings.

Over-Voltage Conditions
Measured during voltage fluctuation conditions, e.g. during battery charging and discharging cycles. Product is tested with an increased voltage (15% increase from the manufacturer’s rated input voltage).

Under-Voltage Conditions
Measured during voltage fluctuation conditions, e.g. during battery charging and discharging cycles. Product is tested with a decreased voltage (15% decrease from the manufacturer’s rated input voltage).

Post Environment Conditions
Measured after the product is exposed to 40°C ± 2°C temperature and 93% ± 3% relative humidity for a minimum of 24 hours, replicating environmental factors that off-grid products are typically used in.

Quality & Durability

Luminance [Cd/m2]
Brightness of display in both “Home Picture” and “Retail Picture” modes. Larger values mean brighter.

Viewing Angle [degree]
Angle at which users can still view the display clearly and an indication of the display quality. The measurement is done by recording the degree of angle at which the luminance (brightness) drops to 1/2 or 1/10 of its maximum brightness.

Safety & Consumer Protection

Ingress Protection Rating [IP number]
Rates the effectiveness of the sealing of electrical enclosures against intrusion from foreign bodies (e.g. fingers, tools, dirt, etc.). More about IP number ratings.

Warranty [months]
Duration of the consumer-facing product warranty that covers manufacturing defects under normal use.

These metrics are defined in the Global LEAP Off-Grid Television Test Method.

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