Allow all measurement equipment to warm up until the system is stable enough to perform the measurement. Unless otherwise specified, perform all measurements under standard test conditions as follows:
3.1.1 Standard Temperature. Standard ambient temperature shall be between 20 ºC (68 ºF) and 30 ºC (86 ºF).
3.1.2 Standard Relative Humidity. Standard relative humidity shall be between 10 % and 85 %.
3.1.3 Standard Supply Voltage. For a device intended to operate from a nominal 12 V automotive system, the standard supply voltage shall be 13.6 V ± 0.1 V. For devices utilizing a battery pack, the standard supply voltage shall be a value specified by the manufacturer. A well-filtered electronic power supply capable of a voltage adjustment of ±25 % from the nominal should be used for laboratory testing and is recommended for other tests in place of the battery for safety and convenience. The standard supply voltage shall be applied to the input terminals of the dc supply cables (including all connectors and circuit protectors) as furnished by the manufacturer. Adjust the power supply to within 1 % of the specified standard voltage.
3.1.4 Special Instructions. Each time a test method requires that the lidar device interact with the target speed simulator, the lidar device shall also be connected to the standard supply voltage source and its optics properly coupled to the simulator.