FLUKE 282-U User Manual for the Fluke 282-U Arbitrary Waveform Generator and Manager, 40 MS/s, 2 Channel

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Appendix A

Mains Operating Voltage

Before connecting the instrument to an ac outlet, check that the instrument operating

voltage marked on the rear panel is correct for the local supply.

Warning

To avoid the possibility of electric shock, always ensure the

instrument is disconnected from the ac supply before opening

the case.

If it is necessary to change the operating voltage, proceed as follows:

1. Disconnect the instrument from all voltage sources.

2. Remove the screws which retain the top cover and lift off the cover.

3. Change the transformer connections following the appropriate diagrams below.

4. Refit the cover and the secure with the same screws.

5. To comply with safety standard requirements the operating voltage marked on the

rear panel must be changed to clearly show the new voltage setting.

6. Change the fuse to one of the correct rating according to the table below:

Table 1-1. Approved Fuse Types

Single-channel

model 281

Two- and Four-channel

models 282/284

For 230 V operation 250 mA (T) 250 V HRC 1 A (T) 250 V HRC

For 100 V or 115 V operation 500 mA (T) 250 V HRC 2 A (T) 250 V HRC

To replace the fuse, disconnect the mains lead from the inlet socket and withdraw the

fuse drawer below the socket pins. Change the fuse and replace the drawer.

The use of makeshift fuses and the short-circuiting of the fuse holder are prohibited.

A-1

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FLUKE 282-U Arbitrary Waveform Generator and Manager, 40 MS/s, 2 Channel