When a video source is selected, changes between a 4:3 screen display ratio and 16:9 widescreen display. This requires a TV that provides that function. Your remote must also be set up to control the TV.
When the TV is selected as source, enters the Teletext mode. 
CCM-001770, 289328 specifications
The Bose 289328, also known by its model designation CCM-001770, is a premium loudspeaker recognized for its exceptional audio quality and advanced engineering. This model is designed primarily for high-performance audio applications, making it an ideal choice for both commercial and residential environments. It combines state-of-the-art technologies with a sleek design, ensuring that it not only sounds great but also fits seamlessly into various décor styles.One of the standout features of the Bose 289328 is its proprietary Direct/Reflecting speaker technology. This technology allows for a more natural soundstage, delivering an immersive listening experience by reflecting sound off walls and ceilings. This enhances the spatial quality of music and audio, simulating a live performance atmosphere. The speaker is also engineered with a high-efficiency driver, which ensures that it can produce powerful sound even at lower power levels, making it an energy-efficient option for users.
The construction of the Bose 289328 is another crucial characteristic contributing to its performance. The cabinet is built with premium materials, which help to minimize unwanted resonances and vibrations that can compromise sound quality. Additionally, the speaker features a robust grille designed to protect the internal components while allowing for optimal sound dissemination. This attention to detail in both design and engineering ensures that the speaker remains reliable and durable, even in demanding acoustic environments.
Another notable aspect is its versatile connectivity options. The Bose 289328 supports a variety of input interfaces, making it compatible with numerous audio sources, from traditional wired connections to modern wireless streaming devices. This flexibility enhances its usability, allowing users to enjoy their favorite music across different platforms and formats.
In terms of installation, the Bose 289328 is designed for ease of use. It includes mounting hardware and user-friendly instructions, making it accessible for both professional installers and DIY enthusiasts. Its compact size also allows for discreet placement, making it a suitable choice for those who prioritize aesthetics without compromising audio performance.
Overall, the Bose 289328, CCM-001770 is a remarkable loudspeaker that stands out for its combination of advanced sound technology, premium materials, and versatile design. Its ability to deliver an unparalleled audio experience makes it a valuable addition to any audio setup, appealing to audiophiles, music enthusiasts, and anyone seeking superior sound quality in their space.