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Manual Backdating 113
E
Manual Backdating
Introduction
The backdating information in this section applies to units that have the following serial numbers:
HP Model 6621A serials 2611A-00101 to 01680
HP Model 6622A serials 2611A-00101 to 02090
HP Model 6623A serials 2611A-00101 to 02230
HP Model 6624A serials 2550A-00101 to 06720
HP Model 6627A serials 2751A-00101 to 00840
Make Changes
On page 28, replace the information in Line Voltage Conversion paragraph under steps number 2, 3, and 4 as follows:
2. To open the line module push against the tab on the line module in the direction of the ac input socket.
3. Remove the voltage selector card from its receptacle. This card is about one inch square and has a red notch in each of
its four edges.
4. To select a voltage, insert the card into its receptacle so that after the door is closed, the red notch shows through the
window next to the voltage level you require.
It is possible to insert the voltage selector card so that a red notch is not visible through any of the
four windows. Do NOT operate the power supply while the selector card is in this position.
Also on page 27, replace figure 2-3 with the following figure;
Figure 2-3. Line Module Detail