Genelec Loudspeaker Manager (GLM) 2.0 - System Operating Manual
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Connecting the GLM Volume Controller
The volume controller is connected to the GLM adapter via 3.5 mm jack showing a level control
triangular sign. See the bottom of the GLM adapter for more information.
Caution: Be sure to turn the volume controller fully counter-clockwise (level down) before
connecting the volume controller to the GLM Network Adapter.
Figure 31. GLM Network Adapter connections from left to right, USB to computer or to USB power
supply, hardware level controller input, GLM measurement microphone input, GLM network and
terminator connectors.
Using a USB power supply
The hardware volume controller can also be used for adjusting the sound level when the computer
is detached from the GLM adapter. When this is done, the GLM adapter must be powered with a
standard USB power supply. The voltage output of the USB supply is 5 VDC.
To use an external USB power supply, remove the USB cable from the computer and attach the
cable to a USB power supply, as shown below.
Wireless Volume Controller
A wireless volume controller is available for adjusting the sound level. The wireless volume
controller uses radio frequency communication and does not need a line of sight to the GLM