Aastra DT4x3 DECT Telephones User Manual page 6

User Manual
Aastra DT4x3 DECT Telephone
13 Maintenance ............................................................................................................... 71
13.1 Maintenance of Batteries ................................................................................................. 71
13.1.1 Battery Warnings ..................................................................................................... 71
13.1.2 Charge the Battery ................................................................................................... 71
13.1.3 Charge Spare Batteries............................................................................................ 71
13.1.4 Replace the Battery.................................................................................................. 71
13.2 Easy Replacement of Handset......................................................................................... 72
13.2.1 Before Starting Easy Replacement Procedure................................................... 72
13.2.2 Easy Replacement Procedure ................................................................................ 72
13.3 Attach the Hinge-type Clip............................................................................................... 75
13.4 Attach the Swivel-type Clip.............................................................................................. 75
13.5 Attach Cover for No Clip.................................................................................................... 76
14 Troubleshooting ......................................................................................................... 77
15 Related Documents.................................................................................................... 81
Appendix A: Bluetooth Headset..................................................................................... 85
Index ................................................................................................................................ 91
31 October 2013 / Ver. C
TD 92789EN