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Power connection – Drawmer 1969 Vacuum Tube Compressor Pre-Amplifier User Manual

Page 6

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1969 OPERATORS’ MANUAL

4

POWER CONNECTION

The unit will have been supplied with a power cable suitable for domestic power outlets
in your country. For your own safety it is important that you use this cable. The unit
should always be connected to the mains supply earth using this cable.

If for some reason the unit is to be used at a mains input operating voltage which is
different to that as supplied, the following procedure must be carried out. (see following
diagram)

1:

Disconnect the unit from the mains.

2:

W ith a size1 pozidrive screwdriver, remove the two self-tapping screws
holding the voltage selection switch cover plate on the rear panel.

3:

Remove the cover plate and slide the switch fully to its opposite end.

4:

Rotate the cover plate one half turn, (180E) and refit the two screws.

5:

Fit a correctly rated Mains Fuse for the selected operation voltage.
Do not make any changes to the HT Fuse.

6:

Re-connect to mains power source.