12 Microphone 13 "Microphone off" key ECO DECT You are helping to protect the environment with your Gigaset AS28H. Reduced energy consumption Your telephone has a power-saving adapter plug and uses less power. Reduced transmission power (depending on the base station) The transmission power can only be reduced if your base station supports this function.
Safety precautions Care Wipe the charging cradle and the handset with a Read this user guide and the safety precautions carefully damp cloth (do not use solvent) or an antistatic before use. Explain their content and the potential hazards associated with using the telephone to your cloth.
First steps Check the pack contents ◆ one Gigaset AS28H handset, ◆ one charging cradle, ◆ one mains adapter, ◆ two batteries, ◆ one battery cover, ◆ one user guide. Setting up the charging cradle The charging cradle is designed to be operated in enclosed, dry areas at temperatures ranging from +5°C to +45°C.
The phone could also malfunction or be damaged as a result of using batteries that are not of the recommended type. * Gigaset Communications GmbH is a licensee of the Siemens trademark. ¤ + –...
Registering the handset to the base station Before you can use the phone, you must first register the handset to the base station. The actual registration procedure will depend on the type of base station. Automatically register the AS28H handset to the Gigaset AS280DUO/AS285 base station ¤...
Initial charging and discharging of the batteries The correct charge level can only be displayed if the batteries are first fully charged and discharged. ¤ Place the handset in the base station or charging cradle for eight hours. ¤ Then remove the handset from the base station or charging cradle and do not replace it until the batteries are fully discharged.
Making calls Using the directory and lists Making external calls and ending calls Directory External calls are calls using the public telephone To open the directory: press network. You can save up to 80 phone numbers ¢ (Enter the phone number) (max.
Setting the alarm clock Using shortcut keys You can assign directory entries to the keys 0 Activating/deactivating the alarm clock and 2–9: ¢ ¢ ¢ ¢ ¢ ¢ ¢ (select entry) MENU Shortcut ¢ MENU Alarm Clock Activation ¢ ‰ (press the key you want to assign the entry to) OK ( = on)
Appendix Questions and answers Entering letters/characters If you have any queries about the use of your tele- phone, visit our website at www.gigaset.com/customercare Press the relevant key the number of times indi- for assistance 24/7. The table below contains a list cated.
Menu tree Your phone has an extensive range of features. As an alternative to selecting functions using the These are offered in the form of menus. keys, you can also enter the digit combi- nation that is in front of the function in the menu To select a function while the phone is in idle sta- tree.