No wire installation is required among units. The WMR968 has an effective range of 109 yards in an open area. Position the units within the range and be sure the transmission path is clear of interference and obstacles. Note:The anemometer, thermo-hygrometer and rain gauge should be installed outdoors and in locations that best measure the weather elements the instruments are designed for. As for the baro-thermohygrometer, it must be installed indoors. If you have any optional thermo or thermo-hygro sensors, they can be installed outdoors or indoors. USER'S MANUAL SECTION 1 INTRODUCTION Congratulations on your purchasing the WMR968 Cable FreeTM Weather Station. An all-purpose easy-to-use system, the WMR968 lets you monitor the following weather elements: - Air temperature - Relative humidity - Barometric pressure - Wind speed and direction - Rainfall The WMR968 is also equipped with: - Calendar clock with daily alarm - Weather forecast within 32 to 48 km (20- to 30-mile) radius - Weather alarms - Memory for maximum and minimum readings - Simple, touch-screen operation - RS232 PC connection jack backlight STANDARD PACKAGE The original WMR968 comes complete with the following: - Main unit (WMR968) - Anemometer (WGR968) - Thermo-hygrometer (THGR968) - Rain gauge (RGR968) - Baro-thermo-hygrometer (BTHR968) - 12V AC adapter The thermo-hygrometer and rain gauge are powered by solar transmitters STR928 while the anemometer is powered by solar transmitter STR938. The WMR968 can support up to seven different remote instruments. You can also connect up to three optional thermo or thermo-hygro sensors to the system. Optional items include: - Thermo-hygro sensor (THGR238) - Thermo sensor (THR238) Contact an authorized dealer for optional items. THE ANEMOMETER The anemometer measures wind speed and direction. To install it, 1...