9.Press MENU. Then press or until LCD CONTRAST appears. Press ENTER to set the contrast. Use or to set the contrast. There are 8 choices available. Press ENTER to exit to idle screen.

10.Press MENU. Then press or until BACK LIGHT appears. Press ENTER. The display will show BACK LIGHT TIME. Press ENTER. The display will show the back light time. Use or to select between 30 sec, 20 sec, 10 sec or OFF. Press ENTER. The display will show BACK LIGHT TIME. Press or . The display will show OFF HOOK LIGHT. Press ENTER. The display will show the light time. Use or to toggle between FOR SECONDS (The light will remain on for the backlight time) or ALL THE TIME (The light will remain constantly on). Press ENTER. Press

MENU.

NOTE: Backlighting will only function if the AC adapter is connected.

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Cortelco 9125 instruction manual Menu

9125 specifications

The Cortelco 9125 is a classic analog telephone that combines functionality with a retro design, making it a popular choice among consumers who appreciate both aesthetics and practicality. Known for its durability and ease of use, the Cortelco 9125 is designed to provide reliable communication for both residential and business environments.

One of the standout features of the Cortelco 9125 is its ergonomic design. The telephone is equipped with a comfortable handset that allows for prolonged use without discomfort. The keypad includes large, well-spaced buttons that facilitate easy dialing, making it accessible for people of all ages, including seniors who may struggle with smaller buttons on modern devices.

The Cortelco 9125 operates using conventional analog technology, which ensures that it remains operational even during power outages, a major advantage over digital or cordless phones. Its sturdy construction and solid design make it a reliable option for environments where phones may be subjected to wear and tear.

In terms of additional features, the Cortelco 9125 boasts a ringer volume control, allowing users to adjust the sound to suit their personal preferences or environmental needs. It also includes a redial function, making it easy to call back the last number dialed without having to remember or look it up.

Furthermore, the Cortelco 9125 is compatible with standard telephone lines, ensuring that it can be easily integrated into any existing phone system. This makes it an excellent choice for businesses looking to maintain a traditional line while benefiting from a device that is both functional and trustworthy.

The handset's design is not just comfortable; it also incorporates materials that are resistant to wear, ensuring longevity in any setting. In addition, the Cortelco 9125 is available in various colors and finishes, allowing consumers to choose a model that best fits their home or office décor.

Overall, the Cortelco 9125 stands out as a reliable, stylish, and user-friendly analog telephone. Its combination of classic design, practical features, and solid construction makes it a go-to choice for those seeking a dependable phone that reflects a simpler and more straightforward approach to communication. Whether for personal use or as a part of a business communications strategy, the Cortelco 9125 is sure to meet the needs of its users effectively.