© Agilent Technologies 1989–2002 Agilent 3070 / 79000 Site Preparation 11-19
Chapter 11: Site Preparation – Series 3 / 79000 Current Reduction Conversion: Series 3 Current Reduction Conversion Procedure
3 Slightly spread the bottom rear of the cover and pull
it back to disengage it from the front panel.
4 Slide the dust cover back far enough to expose the
select switches (see
Figure 11-7 on page 11-19).
Figure 11-7 6642A line voltage selection
5 Move the line voltage select switches to the positions
corresponding to the desired line voltage.
6 Replace the top cover and secure the carrying straps.
7 Change the line fuse (on the rear panel) to the proper
value for the new line voltage (see
Table 11-6).
AC line voltage
switch settings
Table 11-6 6642A Fuse Requirements
Line Voltage Fuse Needed Part Number
100 V 6 AF/250V 2110-0056
120 V 5 AF/250V 2110-0010
220 / 230 / 340 V 3 AF/250V 2110-0003
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