[. . . ] [. . . ] IT MAY CAUSE PERMANENT DAMAGE TO THE UNIT AND VOID THE WARRANTY. Replace the cover on the battery compartment, Place the handset in the base station. For fully discharged batteries, the handset will power on after a 15-minute precharge. Standards * Caller ID * on Call Waiting (dependent on network) Backlight display(only for ME5050A) Programmable call block Operation with 2 standard AAA re-chargeable batteries * user must subscribe to the network's caller id service. + more then one handset required. + + PORTUGUES (only for ME5050A) Access a Call Waiting Line / Holding and transferring calls (PABX) When on an external call, press key to access a Call Waiting Line when you hear the call waiting prompt signal. Press key again if you would like to take back the call, or to transfer the call. Note: If several handsets are registered on the base station and a call should be put on hold or transferred, press the key instead of . Page DISABLE or EXTERNAL . Press and hold Page key of Base for 2 seconds [. . . ] [. . . ]