4.3.3.8 Switching from handset to hands-free.................................................................................................55
4.3.3.9 Headset push-to-talk............................................................................................................................ 56
4.3.3.10 PA call and PA volume......................................................................................................................56
4.3.4 Push-to-talk................................................................................................................................................... 56
4.3.5 Switching from handset to hands-free..........................................................................................................56
4.3.6 Headset push-to-talk..................................................................................................................................... 56
4.3.7 PA call and PA volume.................................................................................................................................56
4.3.8 The menu system......................................................................................................................................... 56
4.3.8.1 Navigating in the Menu........................................................................................................................56
4.3.8.2 The Menu - overview...........................................................................................................................57
4.3.8.3 Speaker Volume...................................................................................................................................57
4.3.8.4 Back-light..............................................................................................................................................58
4.3.8.5 Ringer Volume......................................................................................................................................58
4.3.8.6 P.A. Volume......................................................................................................................................... 58
4.3.8.7 Bell Signal............................................................................................................................................ 58
4.3.8.8 Calls Out.............................................................................................................................................. 58
4.3.8.9 Call In...................................................................................................................................................58
4.3.8.10 Auto Answer.......................................................................................................................................58
4.3.8.11 Auto Busy...........................................................................................................................................58
4.3.8.12 Direct In..............................................................................................................................................58
4.3.8.13 Hands Free........................................................................................................................................ 58
4.3.8.14 External Speaker................................................................................................................................58
4.3.8.15 Date & Time.......................................................................................................................................59
4.3.8.16 Speed Dial..........................................................................................................................................59
4.3.8.17 Memory Dial....................................................................................................................................... 59
4.3.8.18 Dial Signal..........................................................................................................................................59
4.3.8.19 Loop Dial Type...................................................................................................................................59
4.3.8.20 Remote PTT.......................................................................................................................................59
4.3.8.21 Remote Hook Switch......................................................................................................................... 59
4.3.8.22 Local External Microphone.................................................................................................................59
4.3.8.23 Headset microphone type..................................................................................................................59
4.3.8.24 Headset VOX..................................................................................................................................... 59
4.3.8.25 Local microphone gain.......................................................................................................................59
4.3.8.26 Handset microphone gain..................................................................................................................60
4.3.8.27 Headset microphone gain..................................................................................................................60
4.3.8.28 External microphone gain.................................................................................................................. 60
4.3.8.29 Relay mode........................................................................................................................................ 60
4.3.8.30 Relay hold off.....................................................................................................................................60
4.3.8.31 Contrast..............................................................................................................................................60
4.4 Operation of AlphaConnect P421 communication station..................................................................................... 61
5 Appendices................................................................................................62
5.1 Appendix A: Features and specifications of telephones and communication stations...........................................62
5.1.1 Appendix A1: Features and specifications of AlphaConnect P211 communication station.......................... 62
5.1.2 Appendix A2: Features and specifications of AlphaConnect P220 communication station.......................... 63
5.1.3 Appendix A3: Features and specifications of AlphaConnect P411 communication station.......................... 64
5.1.4 Appendix A4: Features and specifications of AlphaConnect P421 communication station.......................... 65
5.1.5 Appendix A5: Features and specifications of AlphaPhone 100AS telephone...............................................66
5.1.6 Appendix A6: Features and specifications of AlphaPhone 500 telephone................................................... 67
5.1.7 Appendix A7: Features and specifications of EBT430 telephone.................................................................68
5.1.8 Appendix A8: Features and specifications of dA24 telephone..................................................................... 69
5.2 Appendix B: Noise level information......................................................................................................................70
5.3 Appendix C: System call numbers........................................................................................................................ 71
5 | Contents