3Mount the speaker

1.Remove the grille to expose the mounting screws.

2.Be sure the mounting tabs are turned in, allowing the speaker to fit into the hole. Then insert the speaker into the mounting hole.

Mounting Tab

3.Tighten the six screws to secure the mounting tabs to the wall or ceiling. Be careful not to overtighten the screws.

4.Replace the grille.

nNote: To remove the speaker from the wall or ceiling, loosen the screws only far enough to remove the speaker. If you loosen the screws too far, you may lose the mounting tabs behind your wall.



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Radio Shack 40-290 manual Mount the speaker, Mounting Tab

40-290 specifications

The Radio Shack 40-290 is a compact and versatile handheld scanner that has garnered a reputation for its user-friendly design and extensive features. It is especially popular among amateur radio enthusiasts, hobbyists, and those who want to stay informed about local events. This device is notable for its ability to receive a wide range of frequencies, making it an essential tool for monitoring various wireless communications.

One of the main features of the Radio Shack 40-290 is its capability to tune into both analog and digital signals. This includes a variety of frequency bands, such as VHF and UHF, which allow users to listen to local police, fire departments, aviation communications, and even ham radio operators. The scanner is equipped with a built-in memory that can store numerous channels, allowing users to quickly access their preferred frequencies without the hassle of manual tuning.

The device boasts a solid construction that ensures durability, which is particularly important for those who plan to use it in various environments. Portability is another strong point, as the Radio Shack 40-290 is lightweight and can easily fit into a bag or be carried in hand. This makes it ideal for outdoor use, such as at events, during camping trips, or for general monitoring in urban areas.

In terms of technology, the Radio Shack 40-290 incorporates an LCD display that provides clear and easy-to-read information about the current frequency and status of the scan. The scanner also includes a volume control for fine-tuning audio output, as well as a squelch feature that helps reduce background noise when no signal is present.

Among its characteristics is the ability to quickly scan through programmed frequencies, allowing users to discover new channels of interest. Additionally, a built-in alert system notifies users when a new frequency is active, ensuring they never miss important communications. The battery life is commendable, making it a reliable companion for extended usage without frequent recharging.

Overall, the Radio Shack 40-290 is a robust and user-friendly scanner that combines advanced technology with practical features. Its ability to cater to a variety of communication channels and frequencies, along with its portability and durability, make it an excellent choice for both novice and seasoned users alike. Whether for personal use or as an introduction to the world of radio scanning, the Radio Shack 40-290 stands out as a commendable option.