This protrusion (which is removeable) provides access to a multi-function button, volume controls, power switch and micro-USB port for charging.
The F900EXR also lets users assign frequently-used options to the new "E-fn" or extended function button for enhanced ease of use.
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Further enhancing ease-of-use are a new Function button that delivers quick access to frequently-used settings and a longer-life battery that claims to deliver around 360 shots before recharging becomes an issue.
The Fn (Function) button has been placed on the back of the camera for assigning frequently used functions.
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The L-Fn (Lens Function) button suspends the autofocusing operation temporarily to avoid unintended focusing on obstacles that appear suddenly between the camera and the subject.
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Users can easily call up or switch between functions assigned to the Fn (Function) button and control ring and change setting values as needed, allowing them to quickly set up their preferred style.
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The Irex also lacks a Home button, a note-taking function, any way to highlight text and a built-in dictionary.
Just press and hold a button on the remote control and the My Beam function will instantly "beam" the sound in your direction -- useful for the hard-of-hearing or late-night movie fests while the rest of the household slumbers.
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That wire can ground a contact on the circuit board behind the light that triggers a function intended to allow the door to be opened with a remote button, bypassing all its security measures.
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Much of the growth can be credited to Nextel's push-to-talk service, the walkie-talkie-like function that allows users to page and call friends instantly with a single button.
To access the sliding function and expose the somewhat cramped keyboard beneath, users will have to press a dedicated button along the left edge of the device.
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Aside from simply feeling more solid that the cheaper model, the SX500 also offers up features like Zoom Framing Assist, which can be accessed via a devoted button on the front of the camera, letting you zoom out to help find your shooting subject -- a function it performs quite quickly.
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