9
7.3. Radio Noise
Do not install the IR-820SP and cable close to devices that can generate radio noise, such as: inverter-powered
equipment (fluorescent lights, air-conditioners, etc.), dimmers, digital equipment, PCs and other computer
equipment.
7.4. Connection to IR-802T
Be sure to connect the connection cable from the IR-
820SP to the "TO IR-820SP" terminal on the IR-802T’s
rear panel. For further details of the connection, refer to
Step 3 on p. 14 .
7.5. Sunlight and Fluorescent Lighting
System malfunctions or noise could result from installing the IR-820SP in locations exposed to sunlight,
fluorescent lighting or other infrared generating sources. When installing the IR-820SP, make the following
arrangements so that it is not exposed to infrared sources:
IR-820SP
Fluorescent lighting
Over 50 cm
Sunlight
(1.64 ft)
Over 2 m (6.56 ft)
7.5.1. Avoid sunlight
• To prevent the IR-820SP from being directly exposed to sunlight, block the sunlight using curtains or window
shades.
• When mounting the IR-820SP to a ceiling, keep it at least 2 m (6.56 ft) away from the window.
7.5.2. Install away from fluorescent lighting
When installing the IR-820SP, keep it at least 50 cm (1.64 ft) away from the fluorescent lighting.
7.5.3. Avoid installing close to other infrared sources shown below
• Lighting device
• Liquid crystal projectors, overhead projectors and incandescent lights
• Plasma displays
• Remote control units, infrared LAN and other infrared devices
DC24V
IR-802T
DC24V
