CH A1 - Default Chapter; Table of Contents

Table of contents
1 Technical highlights.............................................................................................................................................................. 7
1.1 Unmatched flexibility.................................................................................................................................................. 8
1.1.1 Operation modes................................................................................................................................................ 8
1.1.2 Feedback control................................................................................................................................................ 9
1.1.3 Gain control....................................................................................................................................................... 9
1.1.4 Bias adjustment.................................................................................................................................................. 9
1.2 Advanced monitoring circuit......................................................................................................................................... 9
1.2.1 Power monitoring............................................................................................................................................... 9
1.2.2 Temperature monitoring.................................................................................................................................... 10
1.3 Mechanical construction............................................................................................................................................. 10
1.4 Modular architecture and slot-in boards...................................................................................................................... 10
1.4.1 Monaural analog inputs: ANALOG_IN board....................................................................................................... 11
1.4.2 Firmware update and control: CONTROL board.................................................................................................... 11
1.5 Power supply............................................................................................................................................................ 11
2 Before use......................................................................................................................................................................... 12
2.1 Package content........................................................................................................................................................ 12
2.2 Safety notice............................................................................................................................................................. 12
2.3 User manual............................................................................................................................................................. 13
2.4 Mains supply............................................................................................................................................................. 13
2.5 Transport and packaging............................................................................................................................................ 13
2.6 Cleaning................................................................................................................................................................... 14
2.7 Maintenance and service............................................................................................................................................ 14
3 Installation........................................................................................................................................................................ 15
3.1 Unpacking................................................................................................................................................................ 15
3.1.1 Removing the security screws............................................................................................................................ 15
3.2 Unit positioning......................................................................................................................................................... 15
3.3 Connections............................................................................................................................................................... 17
3.3.1 CONTROL board................................................................................................................................................ 18
3.3.1.1 USB port.................................................................................................................................................. 18
3.3.1.2 Ethernet port........................................................................................................................................... 19
3.3.2 ANALOG_IN boards.......................................................................................................................................... 19
3.3.3 Power cord receptacle and voltage selection....................................................................................................... 19
3.4 Amplifier modes........................................................................................................................................................ 19
3.4.1 Stereo mode..................................................................................................................................................... 19
3.4.2 Bridge mode.................................................................................................................................................... 20
3.4.3 Monaural mode................................................................................................................................................ 20
3.4.4 Passive bi-amplification mode............................................................................................................................ 21
3.4.5 Active bi-amplification mode............................................................................................................................. 21
3.4.6 Chained mode.................................................................................................................................................. 22
4 Operation.......................................................................................................................................................................... 23
4.1 Front panel controls................................................................................................................................................... 23
4.1.1 Front panel...................................................................................................................................................... 23
4.1.2 Front face push-buttons..................................................................................................................................... 23
4.2 Operating modes....................................................................................................................................................... 24
4.2.1 Normal mode................................................................................................................................................... 24
Rev 2.0 A1 User Manual 5