Learning the Basics

Preparing the OSA

To change the HP-IB address using switches

The HP-IB address is forced to the switch address setting when the OSA module SWITCHES/MEMORY selector is set to SWITCHES.

N O T E

The SWITCHES setting must be selected. The MEMORY setting is the factory default setting.

1.Turn o￿ any line-power, and remove the HP 70950B/1B/2B module from the mainframe.

2.Locate the switches on the top of the module.

3.Set the SWITCHES/MEMORY selector to the SWITCHES position.

4.Be sure the three switches labeled ROW 1, ROW 2, and ROW 3 are set to 0 (OFF).

5.Set the ￿ve COLUMN switches so that their added values (as indicated by the numbers in parenthesis) add up to the HP-IB value that you want.

For example, to set the switches for address 23, set switches COLUMN 1, 2, 3, and COLUMN 5 to 1 (ON).

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