[. . . ] CAUTION This symbol refers to a hazard or unsafe practice which can result in personal injury or product or property damage. Matters to be observed Prohibited matters WARNING Do not use this appliance in a potentially explosive atmosphere. [. . . ] Operation is subject to the following two conditions: (1) This device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation. This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. Indd 5 2015/08/17 17:00:29 ENGLISH 5 Setting information icons displayed on the top screen 1 2 3 4 5 6 7 8 9 10 11 1 When inspection is required 2 Appears if there is a problem on ECONAVI. 3 Prevents the room temperature from increasing too much (or decreasing too much) when no one is in the room. (Only when connecting a heat exchange ventilation unit or connecting a commercially sold fan. Pressing after recovery from mains power failure will resume operation with the contents before mains power failure has occurred. If no operation is performed for a certain period of time, the backlight turns off to save electricity. [. . . ] Indd 7 2015/08/17 17:00:29 ENGLISH Perform the following operations in step 2 on page 7. Heat Dry Cool Fan Auto *Auto: The mode is automatically switched to Cool or Heat to achieve the set temperature. [. . . ]