Introduction

CAUTION: When using telephone equipment, there are basic safety instructions that should always be followed. Refer to the IMPORTANT SAFETY INSTRUCTIONS provided with this product and save them for future reference.

This phone is designed for those individuals with mild to severe hearing loss. The unit is designed to control the volume of the phone as well as the frequencies that best fit your hearing. It has three pitch control buttons allowing you to customize the phone to your preference. The equalizer is set at 600Hz, 1.2KHz and 2.4kHz.

The phone is designed with unique features to protect the hearing in your family. You will be able to switch between automatic and manual amplification modes to protect your hearing from being exposed to dangerous sound levels.

Please read this manual very carefully before using your 29578 and keep it for future reference. If you have any questions or problems, consult the Troubleshooting Tips for the solution.



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Grandstream Networks 29578 manual Introduction