Kramer Electronics AUDIO SWITCHER VP-411DS - Manual (Page 6)

KRAMER: SIMPLE CREATIVE TECHNOLOGY
Overview
4
To achieve the best performance:
Connect only good quality connection cables, thus avoiding interference,
deterioration in signal quality due to poor matching, and elevated noise
levels (often associated with low quality cables)
Avoid interference from neighboring electrical appliances that may
adversely influence signal quality and position your Kramer VP-411DS
away from moisture, excessive sunlight and dust
Caution – No operator-serviceable parts inside unit.
Warning – Use only the Kramer Electronics input power
wall adapter that is provided with this unit 1 .
Warning – Disconnect power and unplug unit from wall
before installing or removing device or servicing unit.
1 For example: model number AD2512C, part number 2535-000251