In British English, quotation marks are often called inverted commas. Also known as quote marks, quotes, and speech marks. In the U.S., periods and commas always go inside the quotation marks. In the U.K., periods and commas go inside the quotation marks only for a complete quoted sentence; otherwise, they go outside. In all varieties of English, semicolons and colons go outside the quotation marks. Salutations are greetings, said the voice.
IR stands for Infared and means the remote must be pointed directly at the receiver. RF stands for Radio Frequency and means the remote is multi-directional. You can tell what kind of remote you have by looking at the number in the upper-left corner of the remote. Examples are RC64R, RC65, RC65RB, RC65RX, etc.
Infrared (IR): The Harmony 350 controls your devices using infrared (IR) light meaning that there must be a direct line of sight between the Harmony remote and your component's IR eye or external IR receiver. The remote has an IR transmission range of up to 50'.ote: To help keep the Harmony 350 in sync with your devices, avoid turning your television, set top box, and other devices on and off manually or by using their original remote control.