M3SR Series 4100 Table of Contents
8 Operating Manual 6175.4760.02 – 01
4.4.5.24 Changing ALM Channel Usage................................................................................... 4.115
4.4.5.25 Changing ALM Interval for Voice Links ....................................................................... 4.116
4.4.5.26 Changing ALM Execution Delay for Voice Links ......................................................... 4.117
4.4.5.27 Changing ALM Interval for LLE ................................................................................... 4.118
4.4.5.28 Changing ALM Interval for Data Links......................................................................... 4.119
4.4.5.29 Changing ALM Interval for Link Quality Monitoring ..................................................... 4.120
4.4.5.30 Changing ALM Relink Mode........................................................................................ 4.121
4.4.5.31 Changing ALM Execution Mode.................................................................................. 4.122
4.5 HF Modem .................................................................................................................. 4.123
4.5.1 Basics of HF Modem ................................................................................................... 4.123
4.5.1.1 HF Modem Menu Tree ................................................................................................ 4.124
4.5.2 HF Modem Home Menu .............................................................................................. 4.125
4.5.3 HF Modem Operational Menu ..................................................................................... 4.127
4.5.3.1 Changing the Rx and Tx Data Rate............................................................................. 4.128
4.5.3.2 Changing the Rx and Tx Interleaver Length................................................................ 4.131
4.5.3.3 Terminating the Data Transmission............................................................................. 4.132
4.5.4 HF Modem Configuration Menu .................................................................................. 4.133
4.5.4.1 Changing the Modem Deacquire Limit ........................................................................ 4.134
4.5.4.2 Changing the Modem Doppler Tracking Time............................................................. 4.135
4.5.4.3 Enabling the Modem Synchronization on Data Function............................................. 4.136
4.5.4.4 Changing the Maximal Message Block Length ........................................................... 4.137
4.5.4.5 Changing the Modem Tx Level Control Blocks ........................................................... 4.138
4.5.4.6 Switching the EOM Flag.............................................................................................. 4.139
4.5.4.7 Selecting the HF Modem Waveform............................................................................ 4.140
4.5.4.8 Selecting the Asynchronous Modem Operation Mode ................................................ 4.142
4.6 Link SW ...................................................................................................................... 4.143
4.7 Secure Digital Voice.................................................................................................. 4.145
4.7.1 Basics of Secure Digital Voice..................................................................................... 4.145
4.7.2 SEC VOICE Menu Tree............................................................................................... 4.147
4.7.3 SEC VOICE Home Menu ............................................................................................ 4.148
4.7.4 SEC VOICE Operational Menu ................................................................................... 4.150
4.7.4.1 Changing the Frequency for SDV Communication...................................................... 4.150
4.7.4.2 Changing the Power Level for SDV Communication................................................... 4.150
4.7.4.3 Switching the VOX Signal Source for SDV Communication........................................ 4.151
4.7.4.4 Tuning the Antenna ..................................................................................................... 4.151
4.7.4.5 Changing the SDV Vocoder Mode .............................................................................. 4.152
4.7.4.6 Selecting the Active COMSEC Key for SDV Communication ..................................... 4.153
4.7.5 SEC VOICE Configuration Menus............................................................................... 4.154
4.7.5.1 Changing the VOX Sensitivity for SDV Communication.............................................. 4.154
4.7.5.2 Changing the VOX Holdtime for SDV Communication................................................ 4.154