Table of contents v – Lab.gruppen C Series 5:4X User Manual
Page 7
C Series C 20:8X, C 10:8X, C 10:4X and C 5:4X Operation Manual rev. 1.1.4
Table of Contents
v
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