W W W.T A L K S W I T C H . CO M 1T S - 4 0 0 U S E R G U I D EINSTALLING YOUR PHONEINTRODUCTIONCongratulations on the purchase of your new TS-400 telephone.This phone is specifically designed to take full advantage of the features of theTalkSwitch line of phone systems.TS-400 Feature Overview• Business speakerphone• Adjustable backlit LCD• RJ22 and 2.5 mm headset jacks• Data port• Message waiting count and indicatorPlease take the time to familiarize yourself with this User Guide.IMPORTANT SAFETY INSTRUCTIONSWhen using telephone equipment, basic safety precautions should always befollowed to reduce the risk of fire, electrical shock and injury, includingthe following:1. Read and understand all instructions in this User Guide.2. Follow all warnings and follow all instructions marked on the product.3. Unplug this product from the wall outlet before cleaning. Do not use liquidor aerosol cleaners. Use a damp cloth for cleaning.4. Telephones should not be used in a bathtub, shower or pool. Immersion ofthe telephone in water could cause an electrical shock.5. Slots and openings in the cabinet back or bottom are provided for ventilation,to protect it from overheating. These openings must not be blocked orcovered. This product should never be placed near or over a radiator, heatregister or stove.6. This product should be operated only with the power source provided.• 12 feature keys• 99 name/number Caller ID log• 99 name/number directory• Intercom and group paging• Hearing aid compatible