User`s guide
M3000A/M3046A/M3015A/M3016A Service Guide
2-16 Installing the Instrument
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a) An Isolation Transformer:
To meet the requirements of IEC 601-1-1, an isolation transformer must be used with the
display (for example HP M1389A). The power cable connection to the display must be
secured so that the transformer cannot be disconnected by hand.
b) The addition of a protective earth connection:
The grounding cable must be screwed to the protective earth connector on the rear of the
Monitor (shown above). The other end of the grounding cable must be connected to ground
(earth) with a screwed connection.
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When an additional display is connected, it is recommended that an additional protective
earth connection be made to the Monitor. An additional protective earth connection may only
be used if the leakage current does not exceed the limits of IEC 601-1 in normal condition.
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The 15” Display (M3080A #H65) can be connected directly to the Video Out connector using
the provided video cable.
The 21” Display (M3080A #H71) can also be connected directly to the Video Out connector
using the provided video cable. This display must be connected to the power socket via the
M1389A isolation transformer which is delivered with the Display.
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