Application Guide; Rack I/O Panels; Gain Structure - Lab.gruppen PLM 20K44 Operation Manual

9. Appendix

10. Application Guide

This chapter describes the practical application and use of PLM+ Series devices.

10.1. Rack I/O Panels

For fast and simple system connection, pre-wired racks using connection panels can be used. With an I/O
at one position, without requiring rear panel access.

10.2. Gain Structure

The PLM+ Series architecture provides gain adjustments at various points in the signal path for enabling muting
and level adjustment. Each mute or gain adjustment point serves
chapter 6 provide a useful reference for the signal path. The following sections describe the various adjustment
points, all of which are available via the Lake Controller software.
10.2.1. Input Headroom (Analog Inputs Only)
Input Headroom should be set to 12 dBu if the source can be limited to 12 dBu; otherwise it should be set to
appropriate headroom at the input stage only.
To adjust, navigate to I/O CONFIG > INPUT CONFIGURATION in the Lake Controller. Please refer to the Lake
Controller Operation Manual for further details.
10.2.2. Input Mixer
other can be set to -INF.
To adjust, navigate to I/O CONFIG and tap the Input Mixer blocks for the Module in the Lake Controller. Please
refer to the Lake Controller Operation Manual for further details.
10.2.3. Module Input Gain
Input Gain is used to adjust the level between different speaker cabinets in the system. This gain can remain at
0.00 dB unless a lower level is required for the cabinet/s driven by this Module.
To adjust, navigate to MODULES > EQ/LEVELS > LEVELS in the Lake Controller. Please refer to the Lake
Controller Operation Manual for further details.
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PLM+ SERIES Operation Manual rev 3.0.1