Lab.gruppen PLM 20K44 Operation Manual page 51

7. Front Panel Interface
The PLM+ device at the end of a distribution line should be set to TERMINATED; all other PLM+ devices should be
set to UNTERMINATED. If an AES3 distribution amplifier (DA) is being used to distribute the digital audio signals,
with one DA output per processor, then all terminations should be on. However, if the AES3 is daisy-chained, only
terminate the last PLM+ device in the chain.
7.11.3.3. Iso-Float
MENU > I/O CONFIG > ISO-FLOAT
Figure 7.20: Iso-Float
To change the Iso-Float setting, adjust the value using the rotary encoder. The current settings are also displayed
on the front panel I/O STATUS screen.
The analog inputs utilize Iso-Float transformerless electronic balancing circuitry. This provides electrical isolation
from an analog source comparable to that achieved with transformer-based designs. However, pin 1 of the XLR
input connector may be connected to ground within the device if desired. This option is selected by using the
rotary encoder to toggle between FLOATING and GROUNDED.
It may be necessary to change this setting to resolve ground loop problems when using analog inputs.
7.11.3.4. Output Router
MENU > I/O CONFIG > OUTPUT RTR
With PLM+ Series, Module output routing to Power outputs as well as AES or Analog to Dante output routing is
accessible through the Front panel interface.
Figure 7.21: Output Router
51
PLM+ SERIES Operation Manual rev 1.0.0