C ORDLESS P HONE FOR B USINESS P HONE15 1424-EN/LZT 103 091 Uen D 2010-02-123.1 Functions and AccessoriesThe DT390 functions are listed in table 1 on page 15, and its accessoriesare listed in table 2 on page 16.Table 1 Functions* This is a system dependent feature.** This feature requires configuration in WinPDM or CPDM.7 Navigation keyUsed to navigate left, right, up, and down8 On-hook key and power on and offA combined key used to end a call, to return to idle mode, and toswitch the phone on and off with a long press9 DisplayThe display is 112 pixels wide and 115 pixels high. The displayis monochrome black and white, and has backlighting10 Headset connectorThe headset connector is used to connect a headset. Theheadset connector cover protects the connector against dust11 Indication lampIndicates incoming calls, low battery, and charging statusLocal phonebook (250 entries)Central phonebook *Company phonebook (500 entries) **Downloadable language **VibratorHeadset connectorMicrophone on/off during callLoudspeaking functionVoice mail access *Centralized management *Easy replaceable batteryEasy replacement of telephone