Huawei ETS3125i User Guide - Page 9

FM Radio (Optional) FM Radio helps you conveniently listen to the FM radio programs. Select Menu > FM radio, and then press / to switch the channel. Press / to adjust the volume. You can select Opt. for the following operations. y Switch Off: Switch the FM radio off. y Channel List: Display a channel list. y Tuning: The FWT provides you with several modes, including Automatic Tuning, Manual Tuning, Exact Tuning, and Set Frequency. Security PIN and PUK The personal identity number (PIN) protects your SIM card from unauthorized use. The PIN unblocking key (PUK) can unblock the blocked PIN. Both the PIN and PUK are delivered with the SIM card. For details, consult your service provider. Keypad Lock In standby mode, press and hold the # key to lock the keypad. In this case, you can answer an incoming calls or make emergency calls. In standby mode, press and then press the * key to unlock the keypad. In standby mode, if the automatic keypad lock function is enabled and the standby time exceeds the preset period, the keypad will be automatically locked. Warnings and Precautions This section contains important information pertaining to the operating instructions of your device. It also contains information about how to use the device safely. Read this information carefully before using your device. Electronic Device Power off your device if using the device is prohibited. Do not use the device when using the device causes danger or interference with electronic devices. Medical Device y Follow rules and regulations set forth by hospitals and health care facilities. Do not use your device when using the device is prohibited. y Pacemaker manufacturers recommend that a minimum distance of 15 cm be maintained between a device and a pacemaker to prevent potential interference with the pacemaker. If you are using a 7