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Radio frequency remote control
Source: http://xrqa.cn Author: Mianyang Changhong air conditioning after sales maintenance update date: 2015-09-09 20:25
The learning remote controller can receive and store the codes sent by other remote controllers; The code is then fired to control devices that can understand the code. For example, you have a receiver with a pre programmed remote control, and then you buy a new TV with a learning remote. The learning remote receives signals from your receiver's remote control and remembers the signals so that you can control the receiver. You don't need to enter the command code yourself - the learning remote can receive and store signals from other remote controls. All learning remote controls are considered universal because they can control multiple devices.
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Some infrared remote controls can send infrared and RF signals. The RF signal does not refer to the control of the RF device (in fact, they cannot control the RF device). It refers to the operation range of the infrared remote control extending from about 9 meters to about 30 meters (providing or acquiring) and allowing the signal to pass through walls and glass covers. The remote control automatically transmits the infrared and RF signals for each command. The infrared / RF converter at the receiver terminal is used (some infrared / RF remote controls come with them, some are sold as accessories) when they receive signals and convert them into infrared pulses that the device can understand. Your infrared remote control can increase the volume of your home theater from the upstairs bedroom.
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The biggest advantage of radio frequency remote control is its range: they can transmit up to 30 meters from the receiver (Bluetooth has a shorter transmission distance), and wireless signals can pass through walls. Because of these advantages, you will be looking everywhere for infrared / RF remote controls for home theater components. These remote controls use infrared / RF converters to extend the transmission range of infrared remote controls.
This article is arranged and provided by Mianyang Changhong TV after sales service center