Chapter 9 Specifications4 Overall Specifications- 41 -4 Overall SpecificationsOperating environmentTemperature 0 to 40 ºCHumidity 60% RH maximum (no condensation)(DS-Qi1Mc and DS-Ri1 only: Can also be used in 0 to 30°C and 80% RH)Altitude 2,000 m maximumPollution degree Degree 2InstallationcategoryCategory IIElectric shockprotection classClass IIndoor use onlyStorage environmentTemperature -20 to +60 ºCHumidity 90% RH maximum (no condensation)VCCI Note:This is a Class A product based on the standard of the VCCI Council. If thisequipment is used in a domestic environment, radio interference may occur, inwhich case, the user may be required to take corrective actions. VCCI AConforming standards - C-UL US Listing Mark approved- GS Mark approved- This product meets FCC Part 15 Subpart B Class A requirements:This equipment has been tested and found to comply with the limits for a Class A digitaldevice, pursuant to Part 15 of the FCC Rules.These limits are designed to provide reasonable protection against harmful interferencewhen the equipment is operated in a commercial environment.This equipment generates, uses, and can radiate radio frequency energy and, if notinstalled and used in accordance with the instruction manual, may cause harmfulinterference to radio communications.Operation of this equipment in a residential area is likely to cause harmful interference inwhich case the user will be required to correct the interference at his own expense.- This product complies with Canadian EMI. (ICES-003 Class A)This Class A digital apparatus complies with Canadian ICES-003.Cet appareil numérique de classe A est conforme à la norme NMB-003 duCanada.- This product complies with Australian EMI. (AS/NZS CISPR11 Class B)- This product satisfies the EU EMC Directive.- This product satisfies the EU Low Voltage Directive.- This product conforms to the Korean KCC mark approval.