Lab.gruppen C 20:8X Operation Manual page 7

5.3.2 Headroom, sensitivity and VPL / Gain settings ........................................................................... 15
5.4 Audio Input and Output connections, setup and features ................................................................... 15
5.4.1 Balanced / Unbalanced Input connection ................................................................................... 15
5.4.2 Output operation and connection ............................................................................................... 16
5.4.3 Output bridge mode ................................................................................................................... 16
5.4.4 Amplifier input Gain .................................................................................................................... 17
5.4.4.1 Channel gain/level (front-panel pots) ...................................................................................... 17
5.4.5 Amplifier sensitivity ..................................................................................................................... 18
5.4.6 Output Voltage Peak Limiter (VPL) ............................................................................................. 18
5.4.7 Constant voltage 70 V and 100 V systems setup and operation ................................................. 19
5.4.8 Output Current Peak Limiter (CPL) ............................................................................................. 19
5.5 GPIO connection and operation .......................................................................................................... 20
5.5.1 Introduction ................................................................................................................................ 20
5.5.2 7.5.2 General Purpose Outputs (GPO) ........................................................................................ 20
5.5.3 General Purpose Inputs (GPI) ..................................................................................................... 20
5.5.4 NomadLink disable switch .......................................................................................................... 21
5.6 Protection, faults and warnings ........................................................................................................... 21
5.6.1 Introduction ................................................................................................................................ 21
5.6.2 Very High Frequency protection ................................................................................................. 21
5.6.3 DC protection ............................................................................................................................. 22
5.6.4 High-impedance warning (open load) ......................................................................................... 22
5.6.5 Low-impedance protection (short circuit) .................................................................................... 22
5.6.6 Temperature protection .............................................................................................................. 23
5.6.7 Power Average Limiter (PAL) ....................................................................................................... 23
5.6.8 Level indicators .......................................................................................................................... 24
5.6.9 Level adjust ................................................................................................................................ 25
5.6.10 Mute indication ........................................................................................................................... 25
5.6.11 Performance, Warning and Fault indicators ................................................................................ 25
5.7 NomadLink network and DeviceControl software ............................................................................... 26
5.7.1 NomadLink network in the amplifiers .......................................................................................... 26
5.7.2 Connection and setup ................................................................................................................ 27
5.7.3 NomadLink network cable lengths ............................................................................................. 28
5.7.4 Ethernet network cable lengths ................................................................................................. 28
5.7.5 DeviceControl software .............................................................................................................. 29
5.7.6 Third Party Control and Monitoring Capabilities ..........................................................................30
6. Appendix .................................................................................................................................................30
6.1 Maintenance .......................................................................................................................................30
6.2 FAQ .....................................................................................................................................................30
6.3 Additional documentation ................................................................................................................... 31
6.4 Current Draw and Thermal Dissipation specification ........................................................................... 32
6.5 Signal flow and VPL to output measurements .....................................................................................36
7. Technical Specifications .......................................................................................................................37
8. Warranty .................................................................................................................................................38
C Series C 20:8X, C 10:8X, C 10:4X and C 5:4X Operation Manual rev. 1.1.4
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