Grounding; Product Overview; Front Panel - Lab.gruppen PLM 12K44 Quick Start Manual

10. Grounding

Use correctly-shielded balanced audio input connections to minimize hum and interference.
PLM+ Series must be grounded (earthed) with the safety ground pin to the mains distribution system.
NEVER disconnect the earth (ground) pin on the mains cable (AC power cord).

11. Product overview

11.1. Front panel

Additional information on operations using front panel controls is available in the full PLM+ Series Operation Manual.
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Handles – Handles should be used when carrying, and when fitting into or removing from a rack. Ensure that
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rack doors or covers have sufficient depth to clear the handles.
Dust Filters – Two dust filters are located behind metal covers. Loosen thumbscrews behind the handles to
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remove covers and remove filter elements for cleaning.
Note: NEVER operate this device without the dust filters in place.
Display – The display illuminates when device is on. Brightness and contrast can be adjusted via the front
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panel menu. A Screen Saver function turns off the display after four minutes of no activity. Press any button to turn
on the display.
Standby – Switches device between On and Standby power modes.
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PLM+ SERIES Quick Start Guide rev 1.0.0
10. Grounding
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