Table Of Contents - CH A1.5 User Manual

Table of contents

1 Product 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 ExactBias.......................................................................................................................................................... 9
1.2 Advanced monitoring circuit...................................................................................................................................... 10
1.2.1 Power monitoring............................................................................................................................................ 10
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............................................................................................................................................................ 13
2.3 Mains supply............................................................................................................................................................ 13
2.4 Transport and packaging.......................................................................................................................................... 14
2.5 Cleaning your unit.................................................................................................................................................... 14
2.6 Maintenance and service........................................................................................................................................... 14
3 Installation....................................................................................................................................................................... 15
3.1 Unpacking............................................................................................................................................................... 15
3.2 Unit positioning........................................................................................................................................................ 15
3.3 Connections.............................................................................................................................................................. 16
3.3.1 CONTROL board............................................................................................................................................... 18
3.3.2 ANALOG_IN board........................................................................................................................................... 19
3.4 Power cord receptacle and voltage selection............................................................................................................... 19
3.5 Amplifier modes....................................................................................................................................................... 20
3.5.1 Stereo mode.................................................................................................................................................... 20
3.5.2 Bridge mode................................................................................................................................................... 20
3.5.3 Monaural mode............................................................................................................................................... 21
3.5.4 Passive bi-amplification mode........................................................................................................................... 21
3.5.5 Active bi-amplification mode............................................................................................................................ 22
3.5.6 Daisy-chain mode............................................................................................................................................ 22
4 Operation......................................................................................................................................................................... 24
4.1 Front panel controls.................................................................................................................................................. 24
4.1.1 Front panel..................................................................................................................................................... 24
4.1.2 Front face pushbuttons..................................................................................................................................... 24
4.2 Operating modes...................................................................................................................................................... 25
4.2.1 Normal mode.................................................................................................................................................. 25
4.2.2 Shortcuts mode................................................................................................................................................ 27
4.2.3 Menu mode..................................................................................................................................................... 29
4.3 Configuration........................................................................................................................................................... 32
4.3.1 A1.5 configuration menu items......................................................................................................................... 32
Rev 1.0 A1.5 User Manual 5